From: Are leisure-time and work-related activities associated with low back pain during pregnancy?
Age (years) | N (%) |
---|---|
13–19 | 562 (14.7) |
20–29 | 1802 (47.1) |
30–39 | 1349 (35.3) |
40–47 | 113 (2.9) |
Schooling (years) | |
0–4 | 332 (8.7) |
5–8 | 989 (25.9) |
9–11 | 1343 (35.1) |
≥ 12 | 1161 (30.3) |
Family Income | |
1 (poorest) | 761 (19.9) |
2 | 764 (19.9) |
3 | 771 (20.3) |
4 | 782 (20.4) |
5 (wealthiest) | 747 (19.5) |
Smoking | |
No | 3216 (84.1) |
Yes | 608 (15.9) |
Type of birth | |
Vaginal | 1352 (35.3) |
Caesarean | 2474 (64.7) |
Eclampsia | |
No | 3568 (93.5) |
Yes | 246 (6.5) |
Depression | |
No | 3380 (88.4) |
Yes | 445 (11.6) |
Urinary infection | |
No | 2079 (54.4) |
Yes | 1740 (45.6) |
Multiple birth | |
No | 3728 (97.4) |
Yes | 99 (2.6) |
Parity | |
1 | 1684 (44.0) |
2 | 1169 (30.6) |
3 or more | 972 (25.4) |