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Number of subjects in each categorical independent variable group: sample 1 (sample 2).
| Females | Males | ||
|---|---|---|---|
| Total | 25 (25) | 29 (26) | |
| Pregnant/Lactating | 10 (10) | N/A | |
| High | 6 (6) | 6 (6) | |
| Rank | Middle | 8 (8) | 9 (9) |
| Low | 11 (11) | 14 (11) | |
| Birth Cohort | 2002 | 14 (14) | 14 (12) |
| 2003 | 11 (11) | 15 (14) | |
| Housing Condition | Outdoor Stable | 17 (17) | 17 (16) |
| Outdoor Unstable | 6 (7) | 9 (3) | |
| Indoors | 2 (1) | 3 (7) |
