Table 3.
Acceleration mean and 95% confidence interval by socioeconomic status quintiles in the three Pelotas (Brazil) birth cohorts, for males and for females
| Socioeconomic quintiles | 1982 cohort (30 y) |
1993 cohort (18 y) |
2004 cohort (7 y) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Acc mean (mg) | 95% CI | Pa | N | Acc mean (mg) | 95% CI | Pa | N | Acc mean (mg) | 95% CI | Pa | |
| Males | ||||||||||||
| <0.001 | <0.001 | <0.001 | ||||||||||
| Q1 (poorest) | 272 | 39.4 | 38.0–40.9 | 284 | 47.8 | 46.1–49.5 | 134 | 68.3 | 65.4–71.1 | |||
| Q2 | 264 | 38.7 | 37.4–40.1 | 355 | 47.4 | 45.8–49.1 | 195 | 67.7 | 65.0–70.5 | |||
| Q3 | 330 | 39.5 | 38.3–40.7 | 356 | 43.6 | 42.2–45.0 | 297 | 64.6 | 62.6–66.7 | |||
| Q4 | 110 | 37.3 | 35.3–39.4 | 394 | 41.7 | 40.4–43.1 | 287 | 62.3 | 61.0–65.6 | |||
| Q5 (wealthiest) | 240 | 35.3 | 33.9–37.7 | 370 | 39.1 | 37.8–40.3 | 405 | 61.0 | 59.4–62.7 | |||
| Females | ||||||||||||
| <0.001 | <0.001 | <0.001 | ||||||||||
| Q1 (poorest) | 363 | 34.5 | 33.6–35.5 | 436 | 37.7 | 36.8–38.7 | 125 | 59.2 | 56.5–61.9 | |||
| Q2 | 274 | 34.7 | 33.6–35.8 | 354 | 36.0 | 35.1–36.9 | 204 | 56.8 | 55.0–58.7 | |||
| Q3 | 336 | 33.3 | 32.3–34.2 | 366 | 34.8 | 33.9–35.9 | 297 | 55.8 | 54.2–57.4 | |||
| Q4 | 127 | 31.8 | 30.4–33.1 | 344 | 34.4 | 33.3–35.5 | 225 | 52.9 | 51.2–54.7 | |||
| Q5 (wealthiest) | 217 | 30.2 | 29.2–31.3 | 331 | 32.1 | 31.6–33.0 | 386 | 52.3 | 51.2–53.5 | |||
aP-values represent the result of Kruskal-Wallis tests for comparing acc means (mg) across socioeconomic quintiles in each cohort.