Table 2 Description of study population
Complete cases[a] | Incomplete cases[a] | ||
|---|---|---|---|
Variable | % (n) | % (n) | P-value[b] |
Gender | 0.30 | ||
Male | 50.4 (28897) | 50.9 (10898) | |
Female | 49.6 (28393) | 49.2 (10532) | |
Child’age (months) | <0.001 | ||
6-8 | 45.8 (26232) | 44.9 (9257) | |
9-10 | 51.6 (29556) | 51.9 (10694) | |
11-12 | 2.6 (1502) | 3.2 (651) | |
Birth weight | 0.02 | ||
<2500 g | 6.8 (3880) | 7.3 (1529) | |
≥ 2500 g | 93.2 (53410) | 92.7 (19569) | |
Mother’s age at childbirth in years | <0.001 | ||
< 18 | 1.02 (586) | 1.16 (239) | |
18/37 | 92.4 (52932) | 91.4 (18899) | |
≥38 | 6.6 (3772) | 7.5 (1551) | |
Mother’s level of education | <0.001 | ||
< lower secondary education | 8.9 (5127) | 11.3 (930) | |
Complete lower secondary education | 18.1 (10382) | 16.5 (1355) | |
Complete upper secondary education | 34.7 (19861) | 30.4 (2488) | |
Complete higher education/academic or not | 38.3 (21920) | 41.7 (3419) | |
Mother’s French language level | <0.001 | ||
None | 2.9 (1672) | 5.8 (1186) | |
Basic | 5.6 (3192) | 10.4 (2129) | |
Proficient | 91.5 (52426) | 83.8 (17093) | |
Exclusive breastfeeding | <0.001 | ||
Never breastfed | 24.9 (14245) | 28.1 (5349) | |
Breastfed for some time | 70.1 (40159) | 65.7 (12522) | |
Still breastfed | 5.0 (2886) | 6.2 (1183) | |
Smoking daily in the house (2006-2009) | <0.001 | ||
Yes | 21.9 (6328) | 24.0 (2522) | |
No | 78.1 (22567) | 76.0 (7981) | |
Family structure | |||
Separated parents/sees only one parent | 6.6 (3370) | 6.6 (1373) | |
Parents together | 93.4 (53520) | 93.4 (19345 | 0.8 |