Demographic Male Female
  n Mean age sd n Mean age sd
Kalomo 79 33.1 7.7 84 32.6 8.8
Namwala 40 34.2 10.0 38 34.3 10.5
Siavonga 39 31.2 8.1 26 29.6 7.4
Table 1: Age and sex distribution by district.