Table 2.

Odds Ratios (95% CI) of Adenoma Risk by Demographic, Anthropometric and Lifestyle Factors from Univariate and Multivariate Logistic Regression Models

Factors	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
Age (per 10 year increase)	1.5 (1.2, 1.9)
Male	1.6 (1.2, 2.1)
Race
White	1.0
Black	1.2 (0.7, 1.9)
Height (3 inch increments)	1.1 (1.0, 1.2)
Weight (per 10 lbs. increments)	1.05 (1.02, 1.09
Percent Body Fat by BIA
Tertile 1 (referent)	1.0	1.0*
Tertile 2	0.8 (0.5, 1.2)	0.7 (0.5, 1.1)*
Tertile 3	1.1 (0.8, 1.6)	1.0 (0.7, 1.5)*
Waist-hip Ratio
Tertile 1 (referent)	1.0	1.0†
Tertile 2	1.5 (1.0, 2.2)	1.5 (1.0, 2.3)†
Tertile 3	2.2 (1.5, 3.3)	2.0 (1.3, 3.3)†
BMI by Race
Whites
BMI < 25 (referent)	1.0	1.0‡
BMI 25 to <30	1.9 (1.3, 2.8)	1.7 (1.2, 2.5)‡
BMI >30	1.8 (1.2, 2.9)	2.0 (1.3, 3.2)‡
Blacks
BMI < 25	3.3 (1.2, 8.9)	3.8 (1.3, 10.6)‡
BMI 25 to <30	1.9 (0.8, 4.5)	1.8 (0.7, 4.4)‡
BMI >30	1.2 (0.6, 2.4)	1.3 (0.7, 2.6)‡
Physical Activity
Tertile 1 (referent)	1.0	1.0§
Tertile 2	0.7 (0.5, 1.1)	0.7 (0.5, 1.0)§
Tertile 3	0.7 (0.5, 1.0)	0.6 (0.4, 0.9)§

^*Adjusted for race and physical activity

^†Adjusted for age sex race and physical activity

^‡Adjusted for age sex and physical activity

^§Adjusted for age sex and race

BIA: bioelectrical impedance analysis; BMI: Body mass index