Table 5 Sociodemographic characteristics and family structure
Variable | Parents living together n (%) | Separated parents n (%) | P |
|---|---|---|---|
Gender | 0.240 | ||
Boy | 13,271 (51.4) | 1411 (50.2) | |
Girl | 12,549 (48.6) | 1398 (49.8) | |
Child’s age | 0.006 | ||
≤27 mo | 1805 (6.9) | 238 (8.4) | |
28–32 mo | 23,223 (89.4) | 2474 (87.5) | |
≥33 mo | 962 (3.7) | 117 (4.1) | |
Birth weight (g) | < 0.001 | ||
< 2500 | 1697 (6.5) | 293 (10.3) | |
≥2500 | 24,330 (93.5) | 2542 (89.7) | |
BMI – percentiles | 0.797 | ||
p3-p97 | 22,687 (92.0) | 2481 (92.0) | |
>p97 | 1513 (6.1) | 171 (6.3) | |
<p3 | 457 (1.9) | 46 (1.7) | |
Mother’s age in years at childbirth | < 0.001 | ||
< 18 | 131 (0.5) | 108 (3.9) | |
18–30 | 14,964 (59.0) | 1670 (60.7) | |
31–37 | 8549 (33.7) | 739 (26.8) | |
≥38 | 1729 (6.8) | 236 (8.6) | |
Mother’s level of education | < 0.001 | ||
< Upper secondary school | 4497 (20.5) | 836 (36.3) | |
Completed upper secondary school | 6697 (30.6) | 801 (34.8) | |
Completed third-level/university or not | 10,714 (48.9) | 666 (28.9) | |
Mother’s occupation (2006–9) | < 0.001 | ||
Unemployed/stay-at-home | 2343 (36.6) | 380 (50.7) | |
Early retirement/work incapacity/invalidity | 101 (1.6) | 36 (4.8) | |
Student | 17 (0.3) | 8 (1.1) | |
Works full time or part time/career break/parental leave | 3948 (61.6) | 325 (43.4) | |
Family income (2006–9) | < 0.001 | ||
No stable income | 63 (1.0) | 20 (2.6) | |
1or 2 incomes from benefits | 503 (7.9) | 303 (40.0) | |
1 income from employment | 2000 (31.3) | 395 (52.1) | |
2 incomes, of which ≥1 income from employment | 3834 (59.9) | 40 (5.3) | |
First language (2006–12) | < 0.001 | ||
French | 19,412 (77.0) | 2255 (81.9) | |
Other | 5813 (23.0) | 499 (18.1) | |
Goes to a nursery (2010–12) | 0.927 | ||
Yes | 5977 (55.8) | 610 (56.0) | |
No | 4731 (44.2) | 480 (44.0) |