- Research article
- Open Access
Characterising food insecurity in pastoral and agro-pastoral communities in Uganda using a consumption coping strategy index
© Mayanja et al. 2015
- Received: 23 March 2015
- Accepted: 4 June 2015
- Published: 29 June 2015
We explore the utility of a consumption coping strategy index (CSI) in characterising and assessing the factors influencing household food insecurity. We assessed 53 pastoral and 197 agro-pastoral households in Nakasongola and Nakaseke districts of Uganda, examining the use of 27 consumption coping strategies over a recall time of two 30-day periods, one at the start of a dry season in 2012 and one at the start of a rainy season in 2013.
Four categorical food insecurity status measures were established - food secure (CSI 0 to 5) and mildly (CSI 6 to 20), moderately (CSI 21 to 42) and extremely (CSI >42) food insecure. For the dry season, the mean CSI was 29.4 ± 2.59 and 33.6 % of households were food secure, while for the rains, mean CSI was 33.1 ± 2.30 and 14.0 % of households were food secure. The combination of livelihood system, land holdings, number of livestock owned and belonging to a social network explained 9.4 % to 10 % of the variance in household food insecurity for agro-pastoralists, but variance for pastoralists was not explained by these factors. While the only highly significant factor associated with increasing household food insecurity in the dry season was low landholdings, in the rainy season, it was pastoral livelihood, low livestock holdings for agro-pastoralists and non-involvement in social networks.
While our model identified a number of factors important in describing household food insecurity, it explained only about 10 % of the variance.
- Food insecurity
- Consumption coping strategies
- Pastoral households
- Tropical livestock units
food secure (adequate food intake, low risk of food insecurity);
vulnerable (adequate food intake, high risk of food insecurity); or
food insecure (inadequate food intake, high risk of worsening food insecurity).
Much food security analysis has moved beyond just looking at availability or access and is now grounded in a solid understanding of livelihoods (Maxwell et al. 2008b). Inclusion of more subjective perceptions of the problem as well as livelihood capacities and strategies in the measurement of food insecurity at the household level was suggested by Maxwell, 1996 (cited in Maxwell et al. (1999). For example, food consumption coping strategies (CCS) are behaviours which people in a given population adopt, when there is insufficient food in the household and insufficient money to buy food (Maxwell et al. 1999; Maxwell et al. 2003). When CCS are weighted for the severity of the circumstances in which they are used, as perceived by the community, and combined with frequency of use by a household, they result in a simple quantitative score - the coping strategy index (CSI). The CSI is suited to a rural-based community since it is simple, straightforward to understand and sensitive to short-term changes such as seasonality and shocks, however major or minor (Maxwell et al. 2003). Compared to the more traditional consumption, poverty and nutritional proxy measures, coping strategy indicators are best at minimising the risk of classifying a food insecure household as food secure; they also identify sources of vulnerability (Maxwell et al. 1999). Although not an absolute measure, the CSI establishes a baseline, within-sample, comparative measure from which changes in food security among households can be monitored over time (Maxwell et al. 2003). The CSI has also been mentioned as one of the indicators of food access in addition to the household asset index and diet diversity (Renzaho and Mellor 2009). It is distinct in that it queries household behaviours directly and factors in the severity of different behaviours (Maxwell et al. 2008a). It is therefore an approach factoring in severity of household coping behaviours based on people’s own perceptions and a comparative measure that can monitor changes among households,
Based on the poverty and hunger index, as a measure of food insecurity and humanitarian need, Uganda was at one time ranked seventh out of the top 10 worst cases (Maxwell et al. 2008b). After the prolonged drought of 1999/2000, the cattle corridor of Uganda and specifically Nakasongola and Nakaseke districts, which are the target of this study, experienced failed harvests, outbreaks of crop and animal diseases, and poor health conditions, leaving many vulnerable to food insecurity (NAPA 2007). Yet as far as we know, no research has explored the dimensions of food security in either of these districts or the country as a whole now comparing pastoral and agro-pastoral groups. This study explores utility of the consumption CSI in describing the relative prevalence of household food insecurity and assesses the factors influencing it in pastoral and agro-pastoral communities in two different seasons.
The cattle corridor of Uganda is a strip of rangelands with an estimated area of 84,000 km2 (43 % of the country’s total land area) and is predominantly a pastoralist and agro-pastoralist region. The study area, Nakasongola and Nakaseke districts, is in the central part of this cattle corridor and according to a livelihood zoning exercise done in Uganda in 2009 is in the central and southern cattle cassava maize zone (FEWSNET 2010). This zone is sparsely populated and its economy is driven by rain‐fed agricultural and livestock husbandry. The districts lie in a transition zone between areas with a clear bimodal rainfall in the south and areas with a unimodal rainfall in the north. In the period 2001 to 2010, the mean total seasonal rainfall for March to May (MAM) was 420.6 mm, and for September to November (SON), it was 397.6 mm (Nimusiima et al. 2013). Over the period 1961 to 2010, the number of dry spells within a rainfall season had increased with the most significant increase observed in the first rainfall season of MAM as compared to the SON season (Nimusiima et al. 2013).
‘…though better‐off households are capable of producing more crops than their poorer neighbours they too are unable to produce all of their annual food needs. They therefore must buy most of their food complimenting it with their own production (livestock products and crops). In addition, all but the very wealthiest pastoralists do not own enough animals to solely rely on milk and meat, and so their economy is based on the premise of exchange and sale of livestock and livestock products for grain and other necessities via the market’ (FEWSNET 2010).
Prolonged dry spells are the most common hazard affecting agricultural production and livestock ground water supplies and pastures, and the typical response strategy for households in this area is to sell additional livestock and rely more on purchased foods (FEWSNET 2010).
Design of the study
We carried out a comparative, cross-sectional study involving collection of qualitative and quantitative data to coincide with two climatic seasons. The first household survey was carried out at the start of the first of the two annual dry seasons, over a period of five weeks from mid-July to mid-August 2012, while the second one was done over a period of two weeks from the beginning of mid-February 2013, which was an early start of the first rainy season. Following the procedure recommended by Maxwell et al. (2003), the current study used qualitative methods to develop a list of 27 CCS and the level of severity of food insecurity they represent in the context of the studied communities and then used quantitative methods to develop a CSI for each household.
Sampling of survey respondents
Sampling of focus group participants
Distribution of focus groups
Women 36 to 60 years
Men 36 to 60 years
Mixed youth 20 to 35 years
Mixed older people over 60 years
Qualitative data collection
Focus group discussions (FGDs) were conducted by the lead researcher with a trained research assistant as the note taker. Flipcharts, notebooks and manila flashcards were used to record issues discussed, and in some cases, a digital voice recorder was used. A checklist of CCS generated from data from a previous survey (AfrII 2011) was used to guide discussions; however, participants were requested to mention all strategies they used to ensure they had food for consumption. This study thus opted for the full list of CCS, which according to Maxwell et al. (2008a) has value in identifying the most vulnerable households and is useful as a valid local, context-specific index, as compared to the ‘reduced’ or core set of behaviours which is more reliable across a variety of contexts.
Perception of comparative weights of the food insecurity ranks by livelihood system
Severity of food insecurity circumstances in household
Weighting by agro-pastoralist FGDs
Weighting by pastoralist FGDs
Quantitative data collection
A household survey was conducted by two male and two female research assistants who were familiar with the community and language and had been trained to ensure appropriate capture of data. The instrument was an interviewer-administered questionnaire that had been pretested in the study area. This study considered a household to be a person or a closed localised group of people who live together in the same house or compound, share some resources or activities and are catered for as one unit (O’Laughlin 1999). This was explained to every respondent at the start of the inquiry to ensure that the correct data were collected. Each household was geo-referenced, at a level of accuracy of 3 m, using a hand-held Global Positioning System (GPS) with coordinates taken in the WGS 84 geographical coordinate system in decimal degrees. This was to ensure that the household was easily identifiable on subsequent visits.
The head of the household or their spouse was the preferred respondent, but in some cases, another adult member of the household was involved instead. One section of the questionnaire inquired about household member details, livelihood assets and attachment to social networks. The latter inquired about belonging to community groups, holding community leadership positions or any collective collaboration with fellow community members as listed in Appendix 2. Another section of the questionnaire assessed frequency of use of each of 27 CCS over a recall period of 30 days, based on a standard method (Maxwell et al. 2003). This frequency was assigned a quantitative measure on a weekly basis, i.e. 7 for all the time/every day, 4 for pretty often/three to five times a week, 2 for once in a while/twice a week, 1 for hardly at all/once a week and 0 for never used.
Focus groups’ weighting of consumption coping strategies
‘Weight’ (perceived severity of food insecurity circumstances)
Eat less preferred but less expensive foodsa
Beg for food from a friend or relative
Purchase food on credit
Gather wild food plants or hunt
Harvest immature crops
Provide labour in exchange for food
Provide labour for income to buy food instead of preparing own fields
Consume seed stock held for the next season
Slaughter livestock and preserve meat
Sell calves to buy food
Sell breeding cows to buy food
Sell other cattle types to buy food
Sell other livestock to buy food
Sell assets to buy food
Send household members to eat elsewhere
Send household members to beg/fend for themselves
Limit portion size at meal timesa
Restrict consumption of adults in order for small children to eata
Feed working members of HH at the expense of non-working members
Ration the money available and buy pre-cooked food
Reduce the number of meals eaten in a daya
Skip entire days without eating
Barter (exchange an item for food)
Send children out to labour and earn to buy food
Send girl children for early marriage
Reduce the number of people in the household, e.g. send to a relative
Based on quartiles of the coping strategy index, four categories were developed to characterise households into the food secure (CSI 0 to 5) and then the mildly (CSI 6 to 20), moderately (CSI 21 to 42) and extremely (CSI >42) food insecure. This was to enable a comparative assessment of the households facing different levels of food insecurity and further examine factors that influence the experience of food insecurity within each livelihood system in different seasons.
Data on land holdings were recorded as acres of land accessed for agricultural production. However, to enable management of the wide range of land sizes, it was decided to form five groups based on acreage. Since the majority of households had low land holdings, the first two groups had an interval of 5 while for the last ones it was 50 acres; the groups were thus 0.01 to 5, 5.01 to 10, 10.01 to 60, 60 to 110 and >110 acres.
Due to the wide range of livestock species owned by households, in order to make valid comparisons, data on the total number of livestock were computed to a standardised measure - tropical livestock units (TLUs). A tropical livestock unit corresponds to 250 kg of animal weight; it was computed for each household as the sum of 0.7 per head of cattle, 0.1 per sheep or goat, 0.2 per pig and 0.01 per poultry bird - as recommended by Jahnke et al., cited in Benson and Mugarura (2010) Based on the fact that several households had low livestock holdings, the TLU data were then divided into five groups: the first two had an interval of 1.5 and the last ones 10, i.e. 0.01 to 1.5, 1.51 to 3, 3.01 to 13, 13.01 to 23, >23.
Data on the social networks were compiled as binomials, i.e. either belonging to one or more social networks (1) or not belonging to any (0). For the two rounds of quantitative data collection per household, there were 250 well-completed questionnaires meaning that 89 % of the targeted households were followed up consistently.
Data were analysed using Excel, R statistical and Stata 12 software, and differences at p < 0.05 were considered significant for all tests. The t-test was used to check the difference between means of CSI data for the two livelihood groups. The χ 2 test was used to check the association of grouped CSI data (food insecurity categories) with household head’s gender, education level, age, ethnicity and household parameters including household size and livelihood system (determinants). ANOVA was then used to check variations in grouped CSI for those parameters that were significant. Multinomial logistic regression was used to check dependence of the four CSI groups on livelihood system and livelihood assets which included the five land holding categories: 0.01 to 5 (n = 116), 5.01 to 10 (n = 54), 10.01 to 60 (n = 29), 60 to 110 (n = 5) and >110 acres (n = 19), tropical livestock unit categories: 0.01 to 1.5 (n = 83), 1.51 to 3 (n = 49), 3.01 to 13 (n = 55), 13.01 to 23 (n = 18), >23 (n = 23) and a binomial of either belonging to a social network or not.
Community perceptions of food insecurity
Some perceptions of what constitutes food security and insecurity were associated only with pastoralism or agro-pastoralism, and some were common to both. Agro-pastoralists described the food secure as those who could afford to sell off some food items especially cassava, sweet potatoes or groundnuts and were never seen carrying polythene bags of such food from the market. In contrast, pastoralists described the food secure as those who often bought food. They stressed that to them market dependency was a norm; the issue was whether one could afford the required food items or not. However, with respect to consumption, both agro-pastoralists and pastoralists described the food secure as those who ate preferred foods like matooke (green banana), rice and sweet potatoes, and the food insecure as those who only consumed millet or maize flour as solid food or porridge or even sometimes went to bed hungry at night. Unique to the agro-pastoralists was that the food secure were those who had at least 2 to 3 acres of cassava and granaries of stored food while the food insecure did not store food; pastoralists did not mention cultivation-related issues.
The perceptions of pastoral and agro-pastoral communities about severity of food insecurity circumstances in a household by the time they used a consumption coping strategy are reflected by the weighting shown in Table 3.
The perception by the agro-pastoral community was that those CCS ranked in the extreme category (weight = 6) were associated with food insecurity circumstances twice as severe as those in the moderate category and six times those in the mild category. A female participant in an agro-pastoralist mixed youth FGD in Kalyakoti village, Wampiti Parish, Nakasongola District (July 2012), stressed this by saying: ‘…the rank of extreme food insecurity reflects a very bad situation which doubles the state of moderate food insecurity’. In contrast, the pastoral communities did not perceive much difference between the moderate (weight = 3) and mild ranks (weight = 2), but their view was that the latter should not be weighted too low. These perceptions suggest that the difference in severity may have been greater between the moderate and extremely food insecure than between the mild and moderate categories.
Differences in perceptions of CCS among pastoral and agro-pastoral communities
Beg for food from a friend or relative
Ranked moderate - 3
Ranked extreme - 5
Reason: Households do this when food crops are available in the garden but not ready to harvest - when there was a relative who had food and one could beg and get some, at least the situation was not too bad
Reason: Pastoralists do not grow food crops; thus, it is almost unheard of for one to beg for food from another. When this happens, the situation must be extremely bad. A participant in a men-only group in Kamusenene B, Buwana Parish, Nakaseke District stressed this, saying: ‘We don’t do that because we don’t grow crops – so what will you get when you beg from a friend? During drought we all do not have milk, so one can only borrow from a shop not from a friend’
Provide labour for income to buy food instead of preparing own fields
Ranked extreme - 6
Ranked moderate - 3
Reason: Own food crop growing is a priority for most households, so one which opted to labour elsewhere had to be in a desperate position of no food or very limited space to grow crops. A male participant (July 2012) in Kalyakoti mixed youth FGD, Wampiti Parish, Nakasongola District, emphasised thus: ‘This is done in extreme conditions because, normally when you labour for five days, the income you get can purchase food enough for only 2 days’
Reason: Many households do not own crop fields and after tending their animals may have time to provide labour for extra income to buy food, but the situation is not really desperate. A participant (July 2012) in a men-only group in Kamusenene B, Nakaseke District explained: ‘Someone may do this because he has some immediate needs not yet met, but not that the circumstances are very bad’
Harvest immature crops
Ranked mild - 1
Ranked extreme - 5
Reason: Best expressed by a participant in a women-only group (July 2012) in Matabi Village Kamuli Musaale Parish as: ‘..at least that household even has food crops but may only have been caught up in a temporary situation of immediate need of food’
Reason: Emphasised by a participant in a men-only group (July 2012) in Kamusenene B village, Nakaseke District as: ‘..livestock keepers are not cultivators, those who decide to grow food only harvest mature crops which are delicious enough to eat. If one harvests immature crops then they can’t afford to buy food so are facing extreme circumstances of lack of food’
Slaughter livestock and preserve meat
Ranked mild - 1
Ranked extreme - 5
Reason: Best stressed by a male participant of a mixed youth group (July 2012) in Kalyakoti village, Wampiti Parish, Nakasongola District, who argued thus: ‘If one has an animal to slaughter and can even decide to keep some of the meat it means they have something’.
Reason: Pastoral households have small stock especially goats which could be slaughtered whenever needed so one who preserved meat for the future had to be in an extremely desperate situation. One participant in a men-only group (July 2012) in Kamusenene B village, Nakaseke District said: ‘We do not have the practice of storing dried meat. We can slaughter a sheep or goat at any time – not only during food insecure times’.
Some CCS were used in extreme circumstances of food insecurity by both pastoral and agro-pastoral informants. For example, about ‘gathering wild food crops or hunting’, a participant in a women-only agro-pastoralist group in Kyampisi village, Kisoga Parish, Nakaseke District said: ‘This would definitely only occur under extreme circumstances; it is not good to gather wild food. In fact there is a saying that one who gathers from the wild can never satisfy hunger’. A participant in a men-only pastoralist group in Kamusenene B Village, Buwana Parish, Nakaseke District said: ‘Those would be extreme circumstances of food insecurity; we pastoralists do not gather wild food’.
Relative state of and factors influencing household food insecurity
Household food insecurity status by season
Food secure (CSI 0 to 5)
Mild food insecurity (CSI 6 to 20)
Moderate food insecurity (CSI 21 to 42)
Extreme food insecurity (CSI >42)
Start of dry season 2012 (n = 250)
Start of rainy season 2013 (n = 250)
CSI score at the start of the dry season by household head’s ethnic group
Ethnic groups with CSI >29.4 (less food secure than seasonal mean)
Ethnic groups with CSI <29.4 (more food secure than seasonal mean)
Northerna (69 ± 19.8)
Mukiga (24 ± 27.9)
Munyoro (66 ± 17.6)
Munyoro (16 ± 27.9)
Munyankore (54 ± 22.8)
Munyankore (35 ± 7.5)
Easternc (16 ± 22.8)
Eastern (24 ± 39.5)
Migrantsb (49 ± 9.6)
Migrants (48 ± 16.1)
Muganda (17 ± 4.9)
Muganda (11 ± 16.1)
Muruuli (30 ± 4.0)
Muruuli (20 ± 12.5)
Households’ livestock and land holdings
Sheep and goats
Tropical livestock units
Land holding (acres)
Proportion of households by food insecurity and land holding at the start of the dry season 2012
Land holding (acres)
Food secure: CSI 0 to 5 (n = 76)
Mild food insecurity: CSI 6 to 20 (n = 49)
Moderate food insecurity: CSI 21 to 42 (n = 55)
Extreme food insecurity: CSI >42 (n = 43)
0.01 to 5 (n = 116)
5.01 to 10 (n = 54)
10.01 to 60 (n = 29)
60 to 110 (n = 5)
>110 (n = 19)
Proportion of households by food insecurity and TLUs at the start of the rainy season 2013
Food secure: CSI 0 to 5 (n = 35)
Mild food insecurity: CSI 6 to 20 (n = 74)
Moderate food insecurity: CSI 21 to 42 (n = 84)
Extreme food insecurity: CSI >42 (n = 57)
0.01 to 1.5 (n = 83)
1.51 to 3 (n = 49)
3.01 to 13 (n = 55)
13.01 to 23 (n = 18)
>23 (n = 23)
Social networks with which households were involved included those that allowed them access to product marketing services, financial saving and credit facilities, government agricultural extension services and inputs, skills training, developing sports talent, medical care, community leadership responsibilities, income-generating opportunities and social support from fellow community members (see Appendix 2 for the types of social networks qualifying). Overall, 50.8 % of the households belonged to a social network with pastoralists at a higher level (67.9 %) than agro-pastoralists (46.2 %).
At the start of the dry season, the household CSI did not show any association with a household head or adult member belonging to a social network, and the association between CSI groups and belonging to a social network was not significant. However, at the start of the rains, although the disaggregated CSI did not show any association with belonging to a social network, when categorised, CSI groups were highly associated with belonging to a social network (χ 2 = 16.82, df = 3, p < 0.001).
The multinomial logistic regression model used to check for variance of relative food insecurity status with livelihood assets showed that in the rainy season, food insecurity status was associated with a combination of livelihood system, land holdings, TLUs and belonging to a social network (χ 2 = 52.56, df = 36, p = 0.04, pseudo R 2 = 0.0785).
At the start of the dry season, up to 8.7 % of the variance in food insecurity status among agro-pastoral households was linked to the land holdings and TLUs in combination (χ 2 = 46.99, df = 30, p = 0.02, pseudo R 2 = 0.087). The inclusion of belonging to a social network to the land holdings and TLUs in combination then explained 10 % of the variance in agro-pastoralists’ food insecurity status (χ 2 = 53.98, df = 33, p = 0.012, pseudo R 2 = 0.1002). At the start of the rainy season, 9.2 % of the variance in food insecurity status depended on the land holdings and TLUs in combination (χ 2 = 48.29, df = 30, p = 0.02, pseudo R 2 = 0.092), and belonging to a social network added only 0.2 % to the variance (χ 2 = 49.39, df = 33, p = 0.033, pseudo R 2 = 0.0941).
Little variance was explained by these measured factors among the pastoralists in either season.
In exploring the utility of a CSI to describe food insecurity, relative differences were revealed among households within and between the pastoral and agro-pastoral livelihood systems. Compared to a near equal mean CSI for households from both livelihood systems at the start of the dry season, pastoralists had a much higher mean CSI (greater food insecurity) than agro-pastoralists at the start of the rains. This was possibly because the latter was a season when food amounts had dwindled so pastoralists had to use coping strategies more frequently and employ those with a higher weighting, reflecting circumstances of greater household food insecurity. Agro-pastoralists coped better at the start of the rains since their food stocks may not have run out completely so they exhibited a lower CSI and thus less evident food insecurity. The fact that using the CSI actually revealed differences among livelihood groups suggests that, as recommended by Renzaho and Mellor (2009), focus-tested CCS, like those considered in this study, were suitable, relevant indicators of food insecurity. Capturing the differences in the ‘weight’ of CCS as perceived by pastoral and agro-pastoral communities allowed a fair comparison of the household food security status in the two livelihood systems. Despite some similarities, some perceptions of the food secure and food insecure were unique to each livelihood group and thus reflected what Adger (2006) described as ‘vulnerability as experienced by the vulnerable’.
Pastoralist livelihood system and the start of the rains were both factors increasing the experience of food insecurity. Larger proportions of pastoral than agro-pastoral households moved out of the food secure and into the extreme food insecurity category between the start of the dry season and the rains, which was a manifestation of seasonal vulnerability to food insecurity. The movement out of food security into food insecurity from the dry to subsequent rainy season was expected, largely because the major harvest took place just before the dry season, but it is worth noting that for agro-pastoralists, a proportionately small additional number of households became extremely food insecure compared to those who came out of the food secure category. This calls for further investigation but could indicate that unlike pastoralists who were either food secure or extremely food insecure, agro-pastoral households went into a lesser state of food insecurity (e.g. moderate) which fact was also reflected during focus group discussions. The findings of an association between ethnicity of the household head and seasonal variation in food insecurity and that, notably, both pastoral and agro-pastoral migrant groups fell more often into the extremely food insecure category stress the importance of taking into account the social and cultural contexts in which coping strategies occur. When such contexts are not considered, coping strategies may be misleading surrogate measurements of food insecurity (Renzaho and Mellor 2009).
Only at the start of the dry season did food insecurity decrease with increasing land access; particularly for agro-pastoralists, this could be attributed to a time of plenty from cultivation activities and less frequent use of livestock as coping strategies. At the start of the rains - being planting time and a period of food crop scarcity - the higher the livestock wealth as expressed in TLUs, the increased likelihood of a household being more food secure. In apparent contradiction, the proportion of households in the food secure category decreased as TLUs increased, and the group with the largest number of TLUs had a large proportion of households in a state of extreme food insecurity. It is possible that, though our analysis could not confirm this, households with higher TLUs tended to have attracted more household members (e.g. peripheral kin attaching themselves to the household), though with the wide range of livestock unit holdings reported, any such effect would be slight. It is also possible that in the context of the CSI, such households had the livestock numbers that enabled them to cope either by the use of CCS reflecting greater food insecurity, e.g. sale of high-value breeding stock, or more frequent use of those reflecting less food insecurity like sale of calves or small livestock, or both. A study in Kenya found somewhat related results in that CSI was positively but weakly correlated with livestock income (Maxwell et al. 2003); however, that study did not take seasonal effects into consideration. The current study showed that pastoralists probably attached more importance to belonging to social networks than agro-pastoralists (68 % compared to 46 % respectively attached to social networks). The significant association of food insecurity categories with belonging to a social network only at the start of the rains could be an indication that people in a precarious situation (food-scarce times) would make greater efforts to belong, as a survival strategy, so that social networks provide support mechanisms to help households in utilising CCS. For example, agro-pastoralists belonging to a neighbourhood support group may find it easier to ask for food from a friend, provide labour in exchange for food or borrow food, while pastoralists belonging to a commodity marketing group may enhance their ability to purchase food on credit or sell livestock at better prices to enable them to purchase larger amounts of food.
This assessment of the factors influencing household food insecurity revealed that depending on season, the combination of livelihood system, land holdings, TLUs and belonging to a social network explained only 7.9 % of the variance in household food insecurity. Therefore, most of the factors that make up the variance in food insecurity are unexplained by the variables considered in this study. Such factors could include different sources of household income, which showed negative correlation with CSI according to a study of the Embo community in South Africa by Mjonono et al. (2009). Nevertheless, the results in the current study conform with the notion that vulnerability is related to the asset portfolio, livelihood activities and the context surrounding the people (Løvendal and Knowles 2005). While pastoralists’ food insecurity status did not show significant dependence on the combined factors, the fact that among agro-pastoral households only 8.7 % to 9.2 % of the variance in food insecurity status depended on the land holdings and TLUs in combination to some extent conforms with the notion that gardens do not provide sufficient food to impact positively on food security status (Mjonono et al. 2009). However, the results of the current study could also be a demonstration of the difficulties in modelling or predicting vulnerability of subsistence or smallholder farmers as noted by Morton (2007). The characteristics of these systems, particularly their complexity and integration of agricultural and non-agricultural livelihood strategies, as well as their vulnerability to a range of climate-related and other stressors such as poor market access contribute to these difficulties (Morton 2007). Nevertheless, assessing the livelihood assets is important so as to identify which categories of food insecure households can be targeted with what approach, given the Renzaho and Mellor (2009) notion that asset creation should be part of food security initiatives concerned with putting in place structures and systems that sustain a household’s ability to withstand sudden shocks that threaten their access to food.
This study employed the CSI as an indicator of short-term food security status, providing baseline information from the surveys in two different seasons. Subsequent surveys carried out at the same time of the year could track impact of development projects directed at household food security, as was recommended by Maxwell et al. (2003). The findings of this study emphasise what Ahamad and Khondker (2010) noted that seasonal food insecurity is often transitory as a result of seasonal fluctuations of coping strategies, which may be an outcome of socioeconomic circumstances and variation in climatic factors. Limitations in the current study include the purposive selection of sample villages - increasing the likelihood of bias, unequal sample sizes for the two livelihood groups and the small sub-sample sizes for the TLUs and the land holdings. Total land holdings were considered without separating that not used for agriculture, which could be a source of variability not included in the models. The possible difference in qualitative meanings of the same coping strategy for poorer and wealthier households was not explored; for example, it is likely that selling animals means something different and is practised in different circumstances, by poorer and wealthier pastoral households. Finally, data on livelihood diversification by households were limited.
There are key differences between the food security profiles of pastoralists and agro-pastoralists, as evidenced by differences in the coping strategies they adopt and the intensity with which they adopt them. Climatic season and livelihood system were quite important in relation to the state of food insecurity. Even as pastoralists demonstrated higher movement out of food security to food insecurity between seasons, they also manifested a higher percentage of extremely food insecure households than agro-pastoralists. In the dry season, the only factor that was highly significant in increasing the experience of food insecurity was low landholdings, but gender was nearly significant, particularly female headedness in agro-pastoral households. In the rainy season, the factors that were highly significant in increasing the experience of food insecurity were pastoral livelihood, non-involvement in social networks and high livestock holdings. What are commonly considered major livelihood assets like TLUs and land holdings explained very little of the variance in food insecurity in either season in this sample. Further research is needed to find out why this was the case, including in-depth analysis of linkages between food insecurity in this area of Uganda and extremes in climatic seasons as well as household parameters including gender, ethnicity, being a migrant and livelihood diversification. Interventions seeking to stabilise consumption should incorporate climatic considerations as well as differences in food security between pastoral and agro-pastoral livelihood groups.
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