Table 1.

Selected characteristics by gender

	Male				Female
	Never used tobacco		Ever used tobacco1		Never used tobacco		Ever used tobacco1
Characteristics	N	%	N	%	N	%	N	%
Total (n=84,015)	23,158	100.0	29,913	100.0	22,047	100.0	8,897	100.0
Age at enrollment
<30	2,777	12.0	2,642	8.8	1,497	6.8	475	5.3
30–39	6,670	28.8	6,373	21.3	5,543	25.1	2,345	26.4
40–49	6,346	27.4	8,104	27.1	6,190	28.1	2,696	30.3
50–59	3,969	17.1	6,824	22.8	5,027	22.8	2,208	24.8
60–69	2,488	10.7	4,612	15.4	3,032	13.8	960	10.8
70+	908	3.9	1,358	4.5	758	3.4	213	2.4
State of Residence
Iowa	17,639	76.2	17,300	57.8	15,573	70.6	5,237	58.9
North Carolina	5,519	23.8	12,613	42.2	6,474	29.4	3,660	41.1
Race
White	22,636	97.7	28,895	96.6	21,662	98.3	8,656	97.3
Black	355	1.5	691	2.3	242	1.1	117	1.3
Other	78	0.3	211	0.7	99	0.4	95	1.1
missing	89	0.4	116	0.4	44	0.2	29	0.3
Education
Less than high school	11,954	51.6	17,818	59.6	8,804	39.9	3,805	42.8
High school or more	10,744	46.4	11,296	37.8	11,097	50.3	4,084	45.9
Other	63	0.3	71	0.2	1,889	8.6	842	9.5
missing	397	1.7	728	2.4	257	1.2	166	1.9
BMI kg/m2
<18.5	51	0.2	83	0.3	308	1.4	145	1.6
18.5–24.9	4,721	20.4	5,164	17.3	9,198	41.7	3,715	41.8
25–29.9	8,755	37.8	10,826	36.2	6,327	28.7	2,388	26.8
30+	3,804	16.4	5,237	17.5	3,691	16.7	1,417	15.9
missing	5,827	25.2	8,603	28.8	2,523	11.4	1,232	13.8
Alcohol drinking year prior enrollment
Never	7,895	34.1	8,384	28.0	10,738	48.7	3,062	34.4
Ever	14,471	62.5	20,402	68.2	11,110	50.4	5,735	64.5
missing	792	3.4	1,127	3.8	199	0.9	100	1.1
Usual number of alcohol drinks year prior enrollment
Never	7,895	34.1	8,384	28.0	10,738	48.7	3,062	34.4
≤ 3 per month	7,737	33.4	8,740	29.2	9,141	41.5	3,927	44.1
1–4 per week	5,947	25.7	9,064	30.3	1,827	8.3	1,513	17.0
≥ 5 per week	787	3.4	2,598	8.7	142	0.6	295	3.3
missing	792	3.4	1,127	3.8	199	0.9	100	1.1
Fruit intake year prior enrollment (servings per day)
<1	15,184	65.6	21,745	72.7	7,106	32.2	3,634	40.8
1–2	6,438	27.8	6,369	21.3	8,035	36.4	2,617	29.4
≥3	519	2.2	416	1.4	1,435	6.5	402	4.5
missing	1,017	4.4	1,383	4.6	5,471	24.8	2,244	25.2
Vegetable intake year prior enrollment (servings per day)
<1	10,973	47.4	14,963	50.0	4,899	22.2	2,249	25.3
1–2	9,616	41.5	11,198	37.4	9,582	43.5	3,603	40.5
≥3	1,263	5.5	1,826	6.1	2,047	9.3	764	8.6
missing	1,306	5.6	1,926	6.4	5,519	25.0	2,281	25.6

¹Ever used one or more of: cigarette, pipe, cigar, cigarillo, chewing tobacco, or snuff