Table 1.
Characteristics of the study population
| Participants (n) | 28 994 |
| Male (%) | 46 |
| Female (%) | 54 |
| Tribe | |
| Bimoba (%) | 66 |
| Kusasi (%) | 26 |
| Other (%) | 8 |
| Households (n) | 1703 |
| Polygynous households (%) | 48 |
| Mean value of household possessions in US$ (mean (SD)) | 1063 (1021) |
| Safe drinking water (%) | 80 |
| Number offspring | |
| Numbers of offspring registered 2002–2010 (n) | 3645 |
| SES available (n) | 3511 |
| Offspring survival | |
| Offspring ≤ 18 years (n) | 16 632 |
| Follow-up (calenderyears) | 2002–2010 |
| Person years (n) | 91 256 |
| Mean follow-up (years) | 5.5 |
| Deaths during follow-up (n) | 471 |
| Weights of offspring | |
| Offspring ≤ 3 years with growth chart (n) | 1470 |
| Weight measurements (n) | 9842 |
| Average number of measurements per child (n) | 7 |