Table 3.

Analysis of Covariance Model Results of Self-Rated Mental and Physical Health by Age Cohort and Drinking Level

	Self-rated mental health					Self-rated physical health
	SS	df	MS	F	P	SS	df	MS	F	P
Covariates
Race/ethnicity	3.773	2	1.886	1.447	0.236	16.808	2	8.404	6.914	0.001
Education level	6.153	4	1.538	1.180	0.318	11.246	4	2.812	2.313	0.056
Relationship status	5.191	3	1.730	1.327	0.264	12.630	3	4.210	3.464	0.016
Employment status	2.377	3	0.792	0.608	0.610	9.837	3	3.279	2.698	0.045
Income	5.612	3	1.871	1.435	0.231	8.964	3	2.988	2.458	0.062
Main effects
Age cohort	15.142	3	5.047	3.873	0.009	5.987	3	1.996	1.642	0.178
Drinking level	1.601	3	0.534	0.409	0.746	4.647	3	1.549	1.274	0.282
Interaction
Age cohort × drinking level	21.531	9	2.392	1.836	0.059	12.612	9	1.401	1.153	0.323

SS, Sum of Squares; MS, Mean Square.