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Table 1 Baseline demographic characteristics of the 982 evaluated individuals according to exercise history stratification (sedentary vs. active)

From: Physical activity reduces risk for colon polyps in a multiethnic colorectal cancer screening population

Characteristic Sedentary Active P value
N = 434 N = 548
Male, n (%) 184 (42.4) 226 (41.2) 0.721‡
Mean age (yrs) ± SD 58 ± 7 58 ± 7 0.932*
BMI (kg/m2) ± SD 27.4 ± 5.4 27.1 ± 4.7 0.370*
Race/ethnicity, n (%)
 White, non-Hispanic 27 (6.2) 42 (7.7) 0.018‡
 Black, non-Hispanic 60 (13.8) 89 (16.2)  
 Hispanic 235 (54.1) 323 (58.9)  
 Asian 109 (25.1) 93 (17.0)  
Hypertension, n (%) 226 (52.3) 252 (46.1) 0.052‡
Folate supplementation, n (%) 17 (3.9) 18 (3.3) 0.798‡
Fiber supplementation, n (%) 11 (2.5) 23 (4.2) 0.093‡
Multivitamin supplementation, n(%) 158 (36.4) 233 (42.5) 0.005‡
Aspirin, n (%) (current daily use) 116 (26.7) 146 (26.6) 0.459‡
Red meat consumption, n (%) (one or more servings/week) 357 (82.3) 416 (75.9) 0.741‡
Current Alcohol, n (%) (Any current use) 100 (23.0) 138 (25.2) 0.229‡
Current Tobacco, n (%) 53 (12.2) 53 (9.7) 0.352‡
  1. *T-test.
  2. ‡Chi-Square Analysis.