Table 1.
Demographic characteristics of the study population, a summary of crop yield, weather and climatic variables
| Variable (n=5219) | Mean±SD or N (%) |
| Child factors | |
| Age, month | 29±17 |
| Male sex | 2586 (50) |
| Height-for-age z-scores | −1.23±1.48 |
| Stunted | 1529 (29) |
| Malaria positive | 1557 (30) |
| Deworming medication in the past 6 months | 2593 (50) |
| Household factors | |
| Wealth index quintiles | |
| Lowest | 1359 (26) |
| Second | 1112 (21) |
| Middle | 1047 (20) |
| Fourth | 950 (18) |
| Highest | 751(14) |
| Rural residence | 4352 (83) |
| Maternal factors | |
| Maternal education | |
| Less than high school | 490 (67) |
| High school | 839 (16) |
| Greater than high school | 242 (5) |
| Missing | 648 (12) |
| Crop yield (kg/ha) | |
| Beans | 440±350 |
| Cassava | 4430±3131 |
| Chickpeas | 55±316 |
| Groundnuts | 627±474 |
| Maize | 2994±1984 |
| Plantains (Matooke) | 3492±4539 |
| Rice | 584±927 |
| Sesame seed | 422±540 |
| Small millet | 1781±1726 |
| Sorghum | 985±576 |
| Soybean | 639±618 |
| Sunflower | 1024.04±17 |
| Sweet potatoes | 3849.62±17 |
| Temperate fruit | 5029±2719 |
| Tropical fruit | 6717±5625 |
| Vegetables | 4168±2466 |
| Climate/weather variables | |
| 2010 total precipitation (mm) | 1214±170 |
| 2010 precipitation anomaly z-scores | −0.03±0.04 |
| Aridity Index | 0.73±0.15 |
| Elevation (metres) | 1191±232 |