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

BMC Research Notes

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

Colonoscopy Finding	Sedentary	Active	P value
Colonoscopy Finding	N = 434	N = 548	P value
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

Note. Categorical variables were analyzed with Chi-Square test or the Fisher exact test (for sample sizes of n < 5 responses).

ISSN: 1756-0500