Table 1.
Demographic Characteristics of Animal Study Populations
| Characteristics | 2008 Birth Year Mean (SD) | 2009 Birth Year Mean (SD) |
|---|---|---|
| Maternal background | ||
| Age at parturition, yr | 7.0 (3.9) | 6.1 (3.0) |
| Genetic background | ||
| Indian | 44 | 44 |
| Mixed Indian–Chinese | 6 | 6 |
| Female | ||
| n | 25 | 25 |
| Age at exposure, wk | 8.3 (1.7) | 8.3 (2.0) |
| Age at assessment, yr | 3.3 (0.07) | 3.2 (0.05) |
| Weight at assessment, kg | 4.9 (0.6) | 4.6 (0.5) |
| Genetic background | ||
| Indian | 19 | 21 |
| Mixed Indian–Chinese | 6 | 4 |
| Corral diversity | 13 | 14 |
| Male | ||
| n | 25 | 25 |
| Age at exposure, wk | 7.6 (1.9) | 7.9 (2.2) |
| Age at assessment, yr | 3.5 (0.05) | 3.3 (0.05) |
| Weight at assessment, kg | 6.1 (1.0) | 5.6 (0.6) |
| Genetic background | ||
| Indian | 19 | 21 |
| Mixed Indian-Chinese | 6 | 4 |
| Corral diversity | 12 | 17 |
All continuous variables are reported as mean (±SD).
Categorical variables (sex, genetic background, corral diversity) are reported as group-specific numerical frequency.