Table 1.
Subject Characteristics
| Variable | Ancestry | Low Altitude | High Altitude | P Altitude |
|---|---|---|---|---|
| Age, y | European | 25.8 ± 1.0 | 33.1 ± 1.0 | P < .001 |
| Andean | 25.2 ± 1.1 | 25.8 ± 1.2 | NS | |
| P ancestry | NS | P < 0.001 | ||
| Nonpregnant BMI, kg/m2 | European | 25.6 ± 0.8 | 23.7 ± 1.0 | NS |
| Andean | 25.7 ± 0.7 | 26.4 ± 0.9 | NS | |
| P ancestry | NS | NSa | ||
| Pregnancy weight gain, kg | European | 8.2 ± 0.8 | 9.8 ± 1.0 | NS |
| Andean | 6.6 ± 1.5 | 8.5 ± 0.5 | NS | |
| P ancestry | NS | NS | ||
| Skinfolds week 20, mm | European | 46.4 ± 2.3 | 35.8 ± 3.1 | P < .05 |
| Andean | 41.4 ± 2.5 | 41.0 ± 2.2 | NS | |
| P ancestry | NS | NS | ||
| Height, cm | European | 159.1 ± 1.3 | 160.7 ± 1.3 | NS |
| Andean | 155.5 ± 0.8 | 150.3 ± 0.9 | P < .001 | |
| P ancestry | P < 0.05 | P < 0.001 | ||
| Parity, n, live births | European | 1.5 ± 1.2 | 2.0 ± 0.2 | P < .05 |
| Andean | 1.6 ± 0.2 | 2.6 ± 0.3 | P < .01 | |
| P ancestry | NS | NSa | ||
| Infant birth weight, gb | European | 3237 ± 121 | 3143 ± 88 | NS |
| Andean | 3203 ± 143 | 3037 ± 86 | NSa | |
| P ancestry | NS | NS | ||
| Infant ponderal index, kg/(m3)b | European | 27.2 ± 0.6 | 27.4 ± 0.8 | NS |
| Andean | 26.3 ± 0.7 | 26.3 ± 0.8 | NS | |
| P ancestry | NS | NS |
Abbreviation: NS, not significant. Values are mean ± SD.
a
Designating a trend (.05 < P < .10).
b
Adjusted for variation in gestational age and sex.