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Table 2.

Any activity, total hours, and MET h/wk of recreational physical activity and colon cancer incidence, number of cases, age- and multivariate-adjusted RR and 95% CI, CPS II Nutrition Cohort men and women, 1992-1993 to 1999

Men
Women
Men and women
Recreational physical activity in year before study enrollmentNo. casesAge-adjusted RR (95% CI)Multivariate-adjusted RR (95% CI)*No. casesAge-adjusted RR (95% CI)Multivariate-adjusted* RR (95% CI)Multivariate-adjusted* RR (95% CI)
Total 536   404    
No activity 79 1.00 (reference) 1.00 (reference) 39 1.00 (reference) 1.00 (reference) 1.00 (reference) 
Any reported activity 457 0.72 (0.57-0.91) 0.82 (0.64-1.04) 365 0.92 (0.66-1.28) 0.98 (0.70-1.37) 0.87 (0.71-1.06) 
Recreational physical activity (h/wk)        
No activity 79 1.00 (reference) 1.00 (reference) 39 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    <2 164 0.83 (0.63-1.08) 0.91 (0.69-1.19) 136 0.97 (0.68-1.39) 1.01 (0.70-1.44) 0.94 (0.75-1.16) 
    2-3 72 0.62 (0.45-0.86) 0.72 (0.52-1.01) 80 0.94 (0.64-1.37) 1.01 (0.68-1.49) 0.83 (0.65-1.07) 
    4-6 124 0.76 (0.58-1.01) 0.86 (0.64-1.15) 92 0.92 (0.63-1.34) 0.97 (0.66-1.43) 0.89 (0.71-1.12) 
    7 59 0.71 (0.50-0.99) 0.77 (0.54-1.08) 34 0.99 (0.62-1.56) 1.03 (0.65-1.65) 0.85 (0.64-1.12) 
    ≥8 38 0.51 (0.35-0.75) 0.58 (0.39-0.87) 23 0.60 (0.36-1.01) 0.65 (0.39-1.11) 0.60 (0.44-0.83) 
P for trend, with and without reference group  0.001, 0.02 0.007, 0.03  0.07, 0.07 0.14, 0.11 0.002, 0.007 
Recreational physical activity (MET h/wk)        
No activity 79 1.00 (reference) 1.00 (reference) 39 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    <7 158 0.82 (0.63-1.07) 0.90 (0.68-1.18) 135 0.98 (0.69-1.40) 1.02 (0.71-1.46) 0.93 (0.75-1.16) 
    7-13 68 0.72 (0.52-1.00) 0.83 (0.59-1.16) 63 0.91 (0.61-1.36) 0.98 (0.65-1.47) 0.88 (0.68-1.13) 
    14-23 106 0.67 (0.50-0.90) 0.75 (0.55-1.01) 96 0.94 (0.65-1.37) 1.00 (0.68-1.47) 0.84 (0.66-1.06) 
    24-29 77 0.79 (0.58-1.09) 0.86 (0.63-1.19) 38 0.89 (0.57-1.40) 0.94 (0.60-1.48) 0.89 (0.68-1.15) 
    ≥30 48 0.52 (0.36-0.74) 0.60 (0.41-0.87) 33 0.70 (0.44-1.12) 0.77 (0.48-1.24) 0.65 (0.49-0.87) 
P for trend, with and without reference group  0.0006, 0.008 0.005, 0.02  0.07, 0.08 0.15, 0.12 0.002, 0.006 
Men
Women
Men and women
Recreational physical activity in year before study enrollmentNo. casesAge-adjusted RR (95% CI)Multivariate-adjusted RR (95% CI)*No. casesAge-adjusted RR (95% CI)Multivariate-adjusted* RR (95% CI)Multivariate-adjusted* RR (95% CI)
Total 536   404    
No activity 79 1.00 (reference) 1.00 (reference) 39 1.00 (reference) 1.00 (reference) 1.00 (reference) 
Any reported activity 457 0.72 (0.57-0.91) 0.82 (0.64-1.04) 365 0.92 (0.66-1.28) 0.98 (0.70-1.37) 0.87 (0.71-1.06) 
Recreational physical activity (h/wk)        
No activity 79 1.00 (reference) 1.00 (reference) 39 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    <2 164 0.83 (0.63-1.08) 0.91 (0.69-1.19) 136 0.97 (0.68-1.39) 1.01 (0.70-1.44) 0.94 (0.75-1.16) 
    2-3 72 0.62 (0.45-0.86) 0.72 (0.52-1.01) 80 0.94 (0.64-1.37) 1.01 (0.68-1.49) 0.83 (0.65-1.07) 
    4-6 124 0.76 (0.58-1.01) 0.86 (0.64-1.15) 92 0.92 (0.63-1.34) 0.97 (0.66-1.43) 0.89 (0.71-1.12) 
    7 59 0.71 (0.50-0.99) 0.77 (0.54-1.08) 34 0.99 (0.62-1.56) 1.03 (0.65-1.65) 0.85 (0.64-1.12) 
    ≥8 38 0.51 (0.35-0.75) 0.58 (0.39-0.87) 23 0.60 (0.36-1.01) 0.65 (0.39-1.11) 0.60 (0.44-0.83) 
P for trend, with and without reference group  0.001, 0.02 0.007, 0.03  0.07, 0.07 0.14, 0.11 0.002, 0.007 
Recreational physical activity (MET h/wk)        
No activity 79 1.00 (reference) 1.00 (reference) 39 1.00 (reference) 1.00 (reference) 1.00 (reference) 
    <7 158 0.82 (0.63-1.07) 0.90 (0.68-1.18) 135 0.98 (0.69-1.40) 1.02 (0.71-1.46) 0.93 (0.75-1.16) 
    7-13 68 0.72 (0.52-1.00) 0.83 (0.59-1.16) 63 0.91 (0.61-1.36) 0.98 (0.65-1.47) 0.88 (0.68-1.13) 
    14-23 106 0.67 (0.50-0.90) 0.75 (0.55-1.01) 96 0.94 (0.65-1.37) 1.00 (0.68-1.47) 0.84 (0.66-1.06) 
    24-29 77 0.79 (0.58-1.09) 0.86 (0.63-1.19) 38 0.89 (0.57-1.40) 0.94 (0.60-1.48) 0.89 (0.68-1.15) 
    ≥30 48 0.52 (0.36-0.74) 0.60 (0.41-0.87) 33 0.70 (0.44-1.12) 0.77 (0.48-1.24) 0.65 (0.49-0.87) 
P for trend, with and without reference group  0.0006, 0.008 0.005, 0.02  0.07, 0.08 0.15, 0.12 0.002, 0.006 
*

Models included age, education, exercise level in 1982, cigarette smoking, alcohol, red meat, folate, fiber, multivitamin use in 1982, and hormone replacement therapy (women). Models of men and women combined also included sex.

Included walking, jogging/running, lap swimming, tennis or racquetball, bicycling/stationary bike, aerobics/calisthenics, and dancing.

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