Table 1 Characteristics of the one-year-old participants. The 2015 Pelotas Birth Cohort, Brazil
Characteristics | Accelerometry data* | No accelerometry data** | |
|---|---|---|---|
n (%) | n (%) | p-value (x2 test) | |
Sex | 0.008 | ||
Female | 1424 (47.9) | 550 (52.7) | |
Male | 1550 (52.1) | 494 (47.3) | |
Low birthweight | 0.109 | ||
Yes | 267 (9.0) | 111 (10.7) | |
No | 2707 (91.0) | 930 (89.3) | |
Preterm birth | 0.490 | ||
Yes | 442 (14.9) | 146 (14.0) | |
No | 2532 (85.1) | 898 (86.0) | |
Maternal age (years) | 0.065 | ||
< 20 | 446 (15.0) | 139 (13.3) | |
20–29 | 1425 (47.9) | 470 (45.0) | |
30–39 | 1020 (34.3) | 401 (38.4) | |
≥ 40 | 82 (2.8) | 34 (3.3) | |
Assets index (quintiles) | |||
1 (poorest) | 590 (20.5) | 171 (17.0) | < 0.001 |
2 | 606 (21.1) | 177 (17.6) | |
3 | 599 (20.8) | 188 (18.7) | |
4 | 573 (19.9) | 209 (20.7) | |
5 (richest) | 507 (17.6) | 263 (26.1) | |
Overall | 2974 (100) | 1044 (100) |