Table 1.

Characteristics of the analysis sample

		Unweighted		Weighted
		n	%	%
ED (IIEF-5)	None	991	43.1	53.5
	Mild	698	30.3	25.8
	Mild/moderate	351	15.3	11.5
	Moderate	164	7.1	5.9
	Severe	98	4.3	3.3
Smoking	Never	963	41.9	45.1
	Former	662	28.8	28.7
	Current	675	29.3	26.2
Pack-years	None	963	41.9	45.1
	< 10	626	27.2	26.4
	10–19	261	11.3	11.9
	20+	451	19.6	16.6
Passive smoking	No	1469	63.8	66.6
	Yes	832	36.2	33.4
Age, yr	30–39	615	26.7	37.2
	40–49	659	28.6	25.8
	50–59	510	22.2	17.8
	60–79	517	14.3	11.3
	70–79	329	8.2	7.8
Race/ethnicity	White	835	36.3	61.9
	Black	700	30.4	25.1
	Hispanic	766	33.3	13.0
BMI, kg/m2	< 25	596	25.9	26.6
	25–29	904	39.3	40.7
	30+	801	34.8	32.7
Physical activity, PASE	< 100	695	30.2	26.8
	100–250	1069	46.5	47.4
	> 250	538	23.4	25.8
Alcohol use, drinks/d	None	800	34.8	27.5
	< 1/d	815	35.4	38.9
	1–3/d	434	18.9	24.0
	4+/d	252	11.0	9.6
CVD		469	20.4	20.6
Hypertension		735	31.9	26.2
Diabetes		297	12.9	9.3
Depression		391	17.0	14.0

BMI = body mass index; PASE = Physical Activity Scale for the Elderly; CVD = cardiovascular disease.