Table 1.

Characteristics of Men in Health Professionals Follow-Up Study (HPFS), 1986–2012

Characteristics1	Full HPFS Cohort	Lifestyle Factors
		Total red meat, quintiles			Dietary Fiber, quintiles			Vigorous physical activity, quartiles2			Body mass index			Smoking
		1	3	5	1	3	5	0	Q2	Q4	< 25	25–29.9	≥30	Never	5–19 PY	≥40 PY
Age, years	62	63	62	61	60	62	65	64	62	60	63	62	62	62	61	66
Total red meat intake, servings/week	6.2	1.2	5.2	14	8.4	6.4	3.5	7.0	5.9	5.0	5.5	6.5	7.7	5.9	6.0	7.9
Total red meat intake, g/day	72	15	63	150	95	74	42	80	69	59	64	75	88	69	70	88
Dietary fiber, g/day	23	28	22	20	15	22	34	22	23	25	24	22	22	24	23	20
All physical activity, MET-hours/week	29	32	29	28	24	29	35	18	26	66	32	28	22	31	30	21
Vigorous physical activity, MET-hours/week	13	18	12	8.9	8.3	13	18	0	9.3	55	16	11	7.1	14	14	7
Body mass index, kg/m2	26	25	26	27	26	26	25	26	26	25	23	27	33	26	26	27
Ever smokers, %	47	43	47	51	55	47	41	51	48	43	44	49	52	0	100	100
Pack-years among ever smokers	24	20	23	27	28	23	20	27	22	19	22	24	26	0	11	54
Alcohol intake, g/day	12	8.8	12	13	18	11	7.1	12	11	12	11	12	11	9.0	13	17
Regular aspirin use, %	47	48	47	46	46	48	46	46	49	46	44	48	52	45	49	50
Regular NSAID use, %	15	12	16	17	17	16	12	15	16	17	13	16	21	14	16	15
Regular acetaminophen use, %	8.2	6.6	8.4	9.6	9.0	8.5	6.9	8.8	8.2	6.7	7.4	8.5	11	7.5	9.1	9.2

MET, metabolic equivalent of tasks; NSAID, non-steroid anti-inflammatory drugs

¹All values other than age is directly standardized to age distribution (in 5-year age group) of all the participants. Mean is presented for continuous variables.

²Vigorous physical activity is categorized as 0 for participants without vigorous physical activity plus 4 quartiles (Q1–Q4) among participants with non-zero vigorous physical activity.