TABLE 2.

Univariate Associations Between Sleep Duration and Cardiovascular Disease (CVD) Risk Factors

CVD Risk Factors	Comparisons	Sleep (<6 vs ≥6 h/night)
		Odds Ratio	95% CI	P
Age	≥60 vs <60 y	1.01	0.64–1.59	.962
Gender	Male vs female	0.41	0.25–0.66	<.001a
Race/ethnicity	Asian, black, Hispanic, other vs white	1.09	0.69–1.74	.705
Marital status	Single vs married	1.67	1.06–2.63	.028a
Total cholesterol, mg/dL	≥200 vs <200	0.90	0.57–1.44	.667
HDL-C, mg/dL	Male <40 or female <50 vs male ≥40 or female ≥50	0.97	0.60–1.58	.908
LDL-C, mg/dL	≥100 vs <100	0.61	0.38–0.98	.040a
Blood pressure, mm Hg	Systolic ≥120 and diastolic ≥80 vs systolic <120 and diastolic <80	0.84	0.48–1.47	.535
Waist circumference, in	Male >40 or female >35 vs male ≤40 or female ≤35	1.50	0.95–2.38	.083
Glucose, mg/dL	≥100 vs <100	1.57	0.99–2.48	.053
BMI, kg/m2	≥25 vs <25	1.43	0.84–2.44	.189
Triglycerides, mg/dL	≥150 vs <150	0.79	0.50–1.26	.326
Metabolic syndrome	Y vs N	1.10	0.69–1.76	.678
Depression	Y vs N	1.88	0.87–4.03	.105
Stress at work	Y vs N	1.34	0.79–2.29	.279
Stress at home	Y vs N	1.66	1.02–2.71	.040a
Financial stress	Y vs N	3.30	1.80–6.06	<.001a
Exercise	<30 vs ≥30 min/d	1.57	0.97–2.52	.063
Fruits and vegetables	<5 vs ≥5 servings per day	0.93	0.52–1.64	.791
Television	≥2 vs <2 h	1.40	0.89–2.21	.150
Eating fast-food	≥2 vs <2 times a week	1.65	0.86–3.15	.129
Eating outside the home	≥2 vs <2 times a week	1.01	0.64–1.60	.967

Abbreviations: BMI, body mass index; CI, confidence interval; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; N, no; Y, yes.

^aP < .05.