Table 2 Descriptive statistics—some demographic variables. Means and 95% confidence intervals within parenthesis

Household head—share male

0.82 [0.75 to 0.89]

0.80 [0.73 to 0.87]

0.53 [0.44 to 0.62]

0.59 [0.50 to 0.68]

Household head—mean age (years)

44.4 [43.0 to 45.9]

52.5 [50.4 to 54.8]

39.4 [36.7 to 42.2]

39.9 [37.3 to 42.6]

Schooling of household head (years)

6.8 [5.8 to 7.8]

6.5 [5.8 to 7.3]

7.5 [6.5 to 8.5]

8.4 [7.3 to 9.5]

Mean no. of household members

8.2 [7.4 to 8.9]

8.9 [8.0 to 9.9]

6.1 [5.6 to 6.6]

6.09 [5.5 to 6.7]

Number of observations^a

125

123

122

121