Table 3.

Risks for depressive symptoms, by level of cardiorespiratory fitness.

			Model 1*		Model 2†
	N	Events	OR	95% CI	OR	95% CI
Men
Cardiorespiratory fitness
Low	1,453	145	1.00	Referent	1.00	Referent
Moderate	4,186	299	0.69	0.56–0.85	0.73	0.58–0.91
High	5,619	296	0.49	0.39–0.60	0.53	0.42–0.68
P-linear trend				<0.0001		<0.0001
Women
Cardiorespiratory fitness
Low	363	55	1.00	Referent	1.00	Referent
Moderate	1,131	105	0.56	0.40–0.80	0.60	0.42–0.87
High	1,591	122	0.46	0.32–0.65	0.51	0.34–0.75
P-linear trend				<0.0001		0.002

OR=odds ratio; CI=confidence interval; ECG=electrocardiogram.

^*Adjusted for age, baseline examination year and survey response year.

^†Adjusted for the above plus stressful occupation (yes or no), current smoking (yes or no), alcohol consumption (≥ 5 drinks/week or not), body mass index, hypertension, diabetes (present or not for each), and abnormal exercise ECG responses (present or not).