. Author manuscript; available in PMC: 2020 Sep 1.

Published in final edited form as: Med Sci Sports Exerc. 2019 Sep;51(9):1845–1851. doi: 10.1249/MSS.0000000000001987

Table 2.

Hazard ratios according to level of weight lifting^a by cancer type in the NIH AARP Diet and Health Study^b

	Level of Weight Lifting
	None	Low	High	P_trend
Colon
No. of cases	1379	255	81
Hazard ratio^c	1.00	0.74	0.71	0.003
95% confidence interval		0.64, 0.84	0.57, 0.89
Hazard ratio, MVPA adjusted^d	1.00	0.75	0.78	0.05
95% confidence interval		0.66, 0.87	0.61, 0.98
Kidney
No. of cases	649	157	45
Hazard ratio^c	1.00	0.93	0.78	0.03
95% confidence interval		0.78, 1.12	0.57, 1.05
Hazard ratio, MVPA adjusted^d	1.00	0.94	0.80	0.06
95% confidence interval		0.78, 1.12	0.59, 1.11
Bladder
No. of cases	1369	347	120
Hazard ratio^c	1.00	0.97	0.98	0.71
95% confidence interval		0.86, 1.09	0.81, 1.19
Hazard ratio, MVPA adjusted^d	1.00	0.97	0.98	0.70
95% confidence interval		0.86, 1.10	0.81, 1.19
Breast^e
No. of cases	2508	614	166
Hazard ratio^c	1.00	1.00	0.92	0.09
95% confidence interval		0.91, 1.09	0.78, 1.08
Hazard ratio, MVPA adjusted^d	1.00	1.02	0.99	0.51
95% confidence interval		0.93, 1.11	0.83, 1.17
Lung
No. of cases	2761	543	176
Hazard ratio^c	1.00	0.88	0.86	0.38
95% confidence interval		0.80, 0.97	0.74, 1.01
Hazard ratio, MVPA adjusted^d	1.00	0.91	0.90	0.30
95% confidence interval		0.82, 1.00	0.81, 1.12
Non-Hodgkin’s Lymphoma
No. of cases	894	217	76
Hazard ratio^c	1.00	0.90	0.95	0.97
95% confidence interval		0.78, 1.05	0.75, 1.20
Hazard ratio, MVPA adjusted^d	1.00	0.90	0.96	0.84
95% confidence interval		0.78, 1.05	0.75, 1.23
Pancreas
No. of cases	578	170	47
Hazard ratio^c	1.00	1.14	0.95	0.64
95% confidence interval		0.95, 1.35	0.70, 1.28
Hazard ratio, MVPA adjusted^d	1.00	1.15	0.98	0.46
95% confidence interval		0.96, 1.37	0.71, 1.34
Prostate
No. of cases	5003	1595	615
Hazard ratio^c	1.00	1.04	1.10	0.06
95% confidence interval		0.99, 1.10	1.01, 1.19
Hazard ratio, MVPA adjusted^d	1.00	1.03	1.05	0.65
95% confidence interval		0.97, 1.09	0.96, 1.15
Rectum
No. of cases	427	69	31
Hazard ratio^c	1.00	0.65	0.87	0.54
95% confidence interval		0.50, 0.84	0.60, 1.26
Hazard ratio, MVPA adjusted^d	1.00	0.68	1.01	0.59
95% confidence interval		0.52, 0.88	0.69, 1.48
Melanoma
No. of cases	1658	599	197
Hazard ratio^c	1.00	1.23	1.18	0.19
95% confidence interval		1.12, 1.35	1.02, 1.37
Hazard ratio, MVPA adjusted^d	1.00	1.18	1.03	0.13
95% confidence interval		1.07, 1.30	0.88, 1.20

no=0 minutes, low=5 minutes-1.5 hours a week, high=2–10+ hours a week

presented in the order of level of evidence linking physical activity to cancer risk as dictated by the Physical Activity Guidelines Advisory Committee(3)

adjusted for age, sex, BMI, smoking status, race, education, alcohol intake

adjusted for age, sex, BMI, smoking status, race, education, alcohol intake, moderate and vigorous leisure time physical activity not including weight lifting (MVPA)

additionally adjusted for oral birth control use, age of menarche, age of menopause, post-menopausal hormone use, and parity