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Table 4 Analysis of Exercise and Polyp Prevalence with BMI and Ethnicity subsets

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

Colonoscopy Finding Sedentary Active P value
N = 434 N = 548
Any polyp
BMI <25
 Hispanic, n (%) 24 (5.5) 22 (4.0) 0.144
 Black, n (%) 6 (1.4) 6 (1.1) 0.434
 Asian, n (%) 16 (3.7) 11 (2.0) 0.465
 White, n (%) 2 (0.5) 1 (0.2) 0.476
BMI ≥ 25
 Hispanic, n (%) 52 (12.0) 55 (10.0) 0.275
 Black, n (%) 17 (3.9) 17 (3.1) 0.196
 Asian, n (%) 19 (4.4) 11 (2.0) 0.239
 White, n (%) 2 (0.5) 5 (0.9) 0.551
Any adenoma
BMI <25
 Hispanic, n (%) 13 (3.0) 14 (2.6) 0.424
 Black, n (%) 3 (0.7) 4 (0.7) 0.826
 Asian, n (%) 8 (1.8) 7 (1.3) 0.988
 White, n (%) 0 1 (0.2) 0.329
BMI ≥ 25
 Hispanic, n (%) 35 (8.1) 20 (3.6) 0.003
 Black, n (%) 11 (2.5) 13 (2.4) 0.432
 Asian, n (%) 6 (1.4) 9 (1.6) 0.146
 White, n (%) 2 (0.5) 2 (0.4) 0.624
Advanced adenoma
BMI <25
 Hispanic, n (%) 6 (1.4) 6 (1.1) 0.622
 Black, n (%) 2 (0.5) 1 (0.2) 0.312
 Asian, n (%) 0 1 (0.2) 0.289
 White, n (%) 0 1 (0.2) 0.329
BMI ≥ 25
 Hispanic, n (%) 7 (1.6) 6 (1.1) 0.351
 Black, n (%) 6 (1.4) 1 (0.2) 0.021
 Asian, n (%) 0 1 (0.2) 0.242
 White, n (%) 2 (0.5) 0 0.068
  1. Note. Categorical variables were analyzed with Chi-Square test or the Fisher exact test (for sample sizes of n < 5 responses).