Unadjusted models with complete cases | Adjusted model with complete casesa (n = 11,438) | Adjusted model with multiple imputationa (n = 13,117) | |||
---|---|---|---|---|---|
% (n) | OR (95% CI) | aOR (95% CI) | aOR (95% CI) | ||
Maternal age | |||||
≤ 30 years | 11.5 (486) | 0.59 (0.48, 0.73) | 0.61 (0.48, 0.77) | 0.66 (0.54, 0.82) | |
31–40 years | 14.6 (1,183) | 0.77 (0.64, 0.94) | 0.70 (0.57, 0.87) | 0.75 (0.62, 0.92) | |
> 40 years | 18.1 (140) | 1.00 | 1.00 | 1.00 | |
Maternal educational attainment | |||||
< high school | 11.2 (254) | 0.61 (0.53, 0.71) | 0.70 (0.57, 0.85) | 0.71 (0.59, 0.85) | |
Completed high school-2 years university | 11.5 (606) | 0.63 (0.56, 0.70) | 0.71 (0.62, 0.80) | 0.71 (0.63, 0.81) | |
≥ 3 years university | 17.1 (909) | 1.00 | 1.00 | 1.00 | |
Paternal educational attainment | |||||
Below high school | 11.9 (357) | 0.65 (0.56, 0.74) | 0.81 (0.69, 0.95) | 0.84 (0.71, 0.99) | |
Completed high school-2 years university | 11.4 (526) | 0.62 (0.55, 0.70) | 0.72 (0.63, 0.82) | 0.74 (0.65, 0.85) | |
≥ 3 years university | 17.3 (720) | 1.00 | 1.00 | 1.00 | |
Type of household | |||||
Parents living together | 14.1 (1,765) | 1.00 | 1.00 | 1.00 | |
Parents not living together | 7.5 (43) | 0.50 (0.36, 0.68) | 0.64 (0.33, 1.23) | 0.58 (0.42, 0.80) | |
Parental migration status | |||||
No immigrant parent | 14.2 (1,542) | 1.00 | 1.00 | 1.00 | |
1 immigrant parent | 13.1 (208) | 0.91 (0.78, 1.07) | 0.87 (0.73, 1.04) | 0.89 (0.76, 1.05) | |
2 immigrant parents | 8.7 (58) | 0.58 (0.44, 0.76) | 0.50 (0.35, 0.71) | 0.56 (0.42, 0.74) | |
Household income | |||||
First quintile | 12.1 (291) | 0.80 (0.68, 0.95) | |||
Second quintile | 13.2 (335) | 0.89 (0.76, 1.05) | |||
Third quintile | 13.6 (333) | 0.93 (0.79, 1.09) | |||
Fourth quintile | 14.6 (362) | 1.00 (0.86, 1.18) | |||
Fifth quintile | 14.6 (368) | 1.00 | |||
Parental employment status | |||||
Both employed | 14.2 (1,402) | 1.00 | 1.00 | 1.00 | |
Only father employed | 13.1 (243) | 0.91 (0.79, 1.06) | 1.03 (0.85, 1.23) | 1.01 (0.85, 1.21) | |
Only mother employed | 16.0 (79) | 1.15 (0.90, 1.48) | 1.09 (0.82, 1.45) | 1.23 (0.96, 1.58) | |
Both inactive | 15.4 (39) | 1.10 (0.78, 1.56) | 1.48 (0.98, 2.25) | 1.39 (0.97, 1.99) | |
Area of residence | |||||
Urban | 13.7 (1,118) | 1.02 (0.91, 1.13) | 1.40 (1.05, 1.87) | 1.31 (1.00, 1.73) | |
Suburban | 13.5 (607) | 1.00 | 1.00 | 1.00 | |
Isolated | 16.3 (68) | 1.24 (0.94, 1.63) | 1.01 (0.90, 1.14) | 0.94 (0.84, 1.05) | |
Birth order | |||||
First born | 13.6 (810) | 1.00 | |||
Later born | 13.9 (999) | 1.02 (0.93, 1.13) | |||
Child sex | |||||
Boy | 13.5 (896) | 0.94 (0.86, 1.04) | 0.92 (0.82, 1.02) | 0.93 (0.85, 1.03) | |
Girl | 14.1 (913) | 1.00 | 1.00 | 1.00 | |
Number of children living in the household | |||||
0 | 15.2 (656) | 1.00 | 1.00 | 1.00 | |
1–2 | 14.1 (1,043) | 1.08 (0.97, 1.20) | 1.00 (0.89, 1.13) | 1.04 (0.93, 1.16) | |
> 2 | 15.4 (110) | 1.21 (0.97, 1.50) | 1.20 (0.93, 1.55) | 1.22 (0.96, 1.54) | |
Type of childcare | |||||
Parents | 13.0 (487) | 1.00 | 1.00 | 1.00 | |
Grandparents | 8.6 (50) | 0.63 (0.47, 0.86) | 0.63 (0.44, 0.90) | 0.64 (0.47, 0.88) | |
Childminder/nanny | 13.8 (814) | 1.08 (0.95, 1.22) | 0.99 (0.85, 1.16) | 0.96 (0.83, 1.11) | |
Day-care centre | 15.9 (458) | 1.27 (1.11, 1.46) | 1.13 (0.95, 1.35) | 1.13 (0.96, 1.32) | |
Season of survey | |||||
Spring | 12.4 (248) | 0.76 (0.65, 0.89) | 0.78 (0.66, 0.93) | 0.75 (0.64, 0.89) | |
Summer | 15.7 (527) | 1.00 | 1.00 | 1.00 | |
Autumn | 13.4 (504) | 0.83 (0.73, 0.95) | 0.84 (0.73, 0.97) | 0.82 (0.72, 0.94) | |
Winter | 13.2 (530) | 0.82 (0.72, 0.93) | 0.80 (0.69, 0.92) | 0.81 (0.71, 0.93) |