| Exposed | Unexposed | p-value | ||||
---|---|---|---|---|---|---|---|
N (total) | % | Mean (SD) | N (total) | % | Mean (SD) | ||
Age (years) | 145 | Â | 28.2 (3.4) | 97 | Â | 28.6 (3.5) | 0.37 |
Male | Â | 57.2 | Â | Â | 56.7 | Â | 0.51 |
Civil status | |||||||
 Living alone |  | 19.3 |  |  | 21.7 |  | 0.74 |
 In a relationship |  | 80.7 |  |  | 78.3 |  | |
Ethnic group | |||||||
 Shi and Havu |  | 99.3 |  |  | 97.9 |  | 0.15 |
 Other ethnicities |  | 0.7 |  |  | 2.1 |  | |
Religion | |||||||
 Catholic |  | 45.5 |  |  | 52.6 |  |  |
 Protestant |  | 49.0 |  |  | 46.4 |  | 0.39 |
 Other |  | 5.5 |  |  | 1.0 |  |  |
 Level of education | |||||||
 None |  | 36.6 |  |  | 28.8 |  | 0.023 |
 Primary |  | 36.5 |  |  | 28.9 |  | |
 Secondary |  | 24.8 |  |  | 33.0 |  | |
 University |  | 2.1 |  |  | 9.3 |  | |
Occupational category | |||||||
 Managerial and administrative position |  | 4.1 |  |  | 14.4 |  | 0.011 |
 Farmer + fishermen + market vendor |  | 62.8 |  |  | 61.9 |  | |
 Unskilled worker |  | 33.1 |  |  | 23.7 |  | |
Nutritional survey | |||||||
 1. Food consumption score | |||||||
  Inadequate |  | 11.7 |  |  | 11.3 |  | 0.79 |
  Borderline |  | 40.0 |  |  | 36.1 |  | |
  Satisfactory |  | 48.3 |  |  | 52.6 |  | |
 2. Addition of salt to meals | |||||||
  Rarely |  | 74.5 |  |  | 81.4 |  | 0.23 |
  Often |  | 22.7 |  |  | 14.4 |  | |
  Always |  | 2.8 |  |  | 4.1 |  |