Table 1.
Characteristics of participating mother-child pairs from the Programming Research in Obesity, Growth, Environment, and Social Stressors (PROGRESS) study in Mexico City.
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|
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|---|---|---|---|
| Characteristics | PROGRESS Cohort (n = 543) | Subset Included in Analysis (n = 320) | p-value |
| Demographics, Median (IQR) | |||
| Child Age, years | 9.67 (9.27-10.27) | 10.03 (9.67-10.37) | < 0.001 |
| Maternal Age at Birth, years | 28 (24-32) | 28 (23-32) | 0.96 |
| Maternal IQ* | 86 (76-94) | 84 (74-93) | 0.13 |
| Maternal BMI | 28.11 (25.5-31.7) | 27.97 (25.31-31.21) | 0.46 |
| Socioeconomic Status, n (%) | 0.996 | ||
| Low | 290 (53) | 169 (53) | |
| Medium | 199 (37) | 121 (38) | |
| High | 54 (10) | 30 (9) | |
| Maternal Education, n (%) | 0.92 | ||
| Low | 225 (41) | 130 (41) | |
| Medium | 196 (36) | 119 (37) | |
| High | 122 (22) | 71 (22) | |
| Average Daily PM2.5 Exposure (μg/m3), Median (IQR) | |||
| Whole Pregnancy | 22.81(20.75-24.18) | 23.63(22.74-24.77) | < 0.001 |
| 1st Trimester | 21.89(19.13-25.82) | 24.19(19.62-27.95) | < 0.001 |
| 2nd Trimester | 21.1(18.96-25.45) | 22.94(19.69-26.71) | < 0.001 |
| 3rd Trimester | 22.4(18.97-27.53) | 25.08(20.19-28.64) | < 0.001 |
| 1st Postpartum Year | 22.71(20.41-23.80) | 22.63(20.02-24.04) | 0.95 |
| Go/No-Go Task Performance, Median (IQR) | |||
| Happy | |||
| False Alarm Rate, % | 21 (12-29) | 17 (8-29) | 0.46 |
| Hit Rate, % | 93 (89-97) | 94 (89-99) | 0.24 |
| Reaction Time (ms) | 571.3 (526.8-616.1) | 583.2 (535.7-632.2) | 0.07 |
| Reaction Time SD (ms) | 165.9 (138.9-223.6) | 147.7 (129.8-168.6) | < 0.001 |
| Neutral | |||
| False Alarm Rate, % | 21 (12-29) | 21 (12-33) | 0.98 |
| Hit Rate, % | 92 (86-96) | 93 (88-97) | 0.26 |
| Reaction Time (ms) | 572.3 (531.3-620.7) | 591.3 (545.6-649) | 0.003 |
| Reaction Time SD (ms) | 171.9 (140.7-234.9) | 149.9 (130.3-173.7) | < 0.001 |
| Letter | |||
| False Alarm Rate, % | 21 (12-33) | 21 (12-33) | 0.47 |
| Hit Rate, % | 97 (93-99) | 97 (94-99) | 0.09 |
| Reaction Time (ms) | 498.1 (455.4-536.8) | 501.4 (455.4-543.4) | 0.46 |
| Reaction Time SD (ms) | 148.7 (124.4-184.8) | 136.8 (116.7-161.7) | < 0.001 |
*
The Spanish version of the Wechsler’s Adult Intelligence Scale-III was administered. Results are similar to other Latin American populations with similar levels of education (Sierra Sanjurjo et al., 2015).