Table 1 Characteristics of the women at inclusion in early pregnancy (n = 268)
Frequency (%) | Mean (SD) | ||
|---|---|---|---|
Age (years) | 31 (4) | ||
Parity | 0 | 157 (59) | |
1 | 86 (32) | ||
≥ 2 | 25 (9) | ||
Gestation week | 14 (3) | ||
Marital status (single) | 7 (3) | ||
Education | ≤ 12 years school attendance | 46 (17) | |
≤ 4 years university | 113 (42) | ||
>4 years university | 109 (41) | ||
Contraceptive pills, year before pregnancy (yes) | 103 (38) | ||
Pre-pregnancy BMI (kg/m2) | 23.3 (3.5) | ||
Smoking (yes) | 11 (4) | ||
Physical activity before pregnancy | None | 11 (4) | |
< 2 hours per week | 84 (31) | ||
2 - 4 hours per week | 138 (52) | ||
> 4 hours per week | 34 (13) | ||
Full time worker (yes) | 228 (85) | ||
Heavy work (yes) | 96 (36) | ||
mFABQ (0-24) | 9.3 (3.8) | ||
HSCL-25 (score ≥ 1.75) | 38 (14) | ||
Pre-pregnancy history of LBP (yes) | 131 (49) |