Table 1. Demographic characteristics of mothers and children from the CHAMACOS Study, Salinas Valley, CA (N = 80).
| Characteristic | N (%) |
| Child sex | |
| Boy | 39 (49) |
| Girl | 41 (51) |
| Child gestational age at birth | |
| 34–36 Weeks | 4 (5) |
| ≥37 Weeks | 76 (95) |
| Child birth size | |
| Small for gestational age (<10th percentile) | 5 (6) |
| Appropriate for gestational age | 70 (88) |
| Large for gestational age (>90th percentile) | 5 (6) |
| Child BMI 1 at 9 years | |
| Normal (≤85th percentile) | 37 (46) |
| Overweight (>85th, <95th percentile) | 17 (21) |
| Obese (≥95th percentile) | 26 (33) |
| Maternal age at pregnancy | |
| 18–24 | 39 (49) |
| 25–29 | 22 (27) |
| 30–34 | 15 (19) |
| 35–45 | 4 (50 |
| Maternal years in US at pregnancy | |
| <1 | 20 (25) |
| 1–10 | 40 (50) |
| >10 | 20 (25) |
| Maternal education at pregnancy | |
| ≤6th Grade | 33 (41) |
| 7–12 Grade | 34 (43) |
| ≥High School | 13 (16) |
| Household poverty category at pregnancy | |
| ≤Poverty threshold | 45 (56) |
| >Poverty level but <200% poverty level | 32 (40) |
| ≥200% Poverty level | 3 (4) |
| Maternal pre-pregnancy BMI | |
| Normal (18.5–24.9 kg/m2) | 36 (45) |
| Overweight (25–29.9 kg/m2) | 28 (35) |
| Obese (≥30 kg/m2) | 16 (20) |
1
Child’s weight status was determined using age and sex adjusted body mass index cut offs for 85th and 95th percentiles from CDC child growth charts.