Table A.4.

Linear and logistic regression analysis of the relationship between a SD higher score in IQ in youth and continuous SF-12 health status and dichotomized CES-depression and sleep difficulty scale at age 50, with adjustment for potential confounding and mediating variables across Model 1–6 in the complete case analysis.

	Model 1			Model 2			Model 3
Childhood age & sex			+ Childhood SES			+ Adult age & adult SES
	95% C.I.	P value		95% C.I.	P value		95% C.I.	P value
	Beta			Beta			Beta
SF-12 mental health (continuous)a	−.03	−.06 to .01	.117	−.04	−.08 to −.01	.022	.05	.01 to .09	.026
	OR			OR			OR
CES-Depression	0.72	0.65 to 0.79	<.001	0.73	0.65 to 0.81	<.001	0.98	0.86 to 1.11	.748
Sleep Difficulty	0.73	0.67 to 0.79	<.001	0.74	0.67 to 0.81	<.001	0.86	0.77to 0.97	.011
	Model 4			Model 5			Model 6
+ Income			+ Education			+ Occupation status
	95% C.I.	P value		95% C.I.	P value		95% C.I.	P value
	Beta			Beta			Beta
SF-12 mental health (continuous)a	.03	−.01 to 0.07	.099	−.01	−.05 to .04	.792	−.02	−.06 to .02	.415
	OR			OR			OR
CES-Depression	0.93	0.82 to 1.04	.200	0.83	0.73 to 0.94	.003	0.80	0.71 to 0.90	<.001
Sleep Difficulty	0.87	0.78 to 0.97	.009	0.79	0.71 to 0.88	<.001	0.75	0.68 to 0.83	<.001

^aStandardized beta.