Table 3.

Univariate proportional odds ratios for the associations between paternal, maternal and child characteristic with sMFQ scores at ages 9 and 11 years.

	Odds ratioa	95% confidence interval	p-value
Fathers
Age at birth of child, years	0.99	0.98 – 1.00	0.077
Highest level of education	1.01	0.94 – 1.10	0.740
Hours worked per week	1.03	0.95 – 1.12	0.505
Depression, EPDS	1.09	1.07 – 1.11	<0.001
SESb category	0.99	0.93 – 1.06	0.867
Mothers
Age at birth of child, years	0.98	0.97 – 0.99	0.004
Highest level of education	0.97	0.90 – 1.05	0.483
Parity	0.92	0.86 – 0.98	0.009
Return to work or school at 8 weeks	1.03	0.83 – 1.28	0.806
Return to work or school at 8 months	1.10	0.98 – 1.23	0.110
Depression, EPDS	1.15	1.13 – 1.16	<0.001
SESb category	0.98	0.91 – 1.06	0.607
Children
Age, months	1.02	1.01 – 1.03	0.001
Gender, boys	0.95	0.85 – 1.06	0.368
Family
SESc category	1.01	0.94 – 1.08	0.833

^aproportional odds ratio for higher sMFQ scores.

^bSocioeconomic status based on individual's occupation, derived from the Computer-assisted structured coding tool (CASCOT).

^cFamily socioeconomic status derived from principal components analysis of fathers’ and mothers’ SES and level of education.