Table 1.

Characteristics of Male VITAL Participants, by Incident Prostate Cancer, 2000–2007 (n=35,239).

	Cases (n = 1,602)		Non-Cases (n = 33,637)
Characteristic	No.	%	No.	%	P-value
Demographics
Age at baseline (years)					<0.0001
<55	140	8.7	8,256	24.5
55–<60	287	17.9	7,790	23.2
60–<65	357	22.3	6,271	18.6
65–<70	366	22.9	5,524	16.4
≥70	452	28.2	5,796	17.2
Race					<0.01
White	1,501	94.8	30,918	93.1
Black	26	1.6	412	1.2
Other	57	3.6	1,876	5.7
Education					0.62
≤High School Graduate	241	15.2	5,298	15.9
Some College	549	34.6	11,652	35.0
College or Advanced Degree	795	50.2	16,306	49.0
Anthropometrics
Body Mass Index (kg/m2)					<0.001
<25	440	28.2	8,970	27.5
25–<30	816	52.2	15,821	48.5
≥30	307	19.6	7,842	24.0
Lifestyle
Alcohol (grams/day)					<0.01
0–<0.5	441	28.2	10,481	31.8
0.5–<10	541	34.6	11,327	34.3
≥10	584	37.3	11,186	33.9
Multivitamin Use					<0.0001
Never	587	36.6	13,629	40.5
Past	83	5.2	2,262	6.7
Current	932	58.2	17,738	52.8
Medical and Family History
PSA Test in the Last 2 years					<0.0001
No	294	18.6	9,452	28.5
Yes	1,288	81.4	23,771	71.6
Benign Prostate Biopsy					<0.0001
No	1,323	82.6	30,931	92.0
Yes	279	17.4	2,706	8.0
Enlarged Prostate					<0.0001
No	1,198	74.8	28,424	84.5
Yes	403	25.2	5,205	15.5
Number of 1st Degree Relatives with Prostate Cancer					<0.0001
None	1,263	80.0	28,942	87.3
1	272	17.2	3,976	12.0
≥2	44	2.8	245	0.7
Diabetes					0.08
No	1,490	93.0	30,871	91.8
Yes	112	7.0	2,766	8.2