Table II.

Adjusted odds ratios for predictive variables and participants not adherent to protocols (with covariates of study type and site region added into the model).

Variables	Not adherent to protocols
	Odds ratio (95% CI)	P-value
Race
White	1
Black or African American	1.747 (1.184, 2.577)	0.005
Asian	2.359 (1.343, 4.146)	0.003
American Indian or Alaska Native	1.520 (0.433, 5.337)	0.514
Native Hawaiian or Pacific Islander	2.229 (0.138, 36.060)	0.573
Mixed race	1.599 (0.865, 2.954)	0.134
BMI (kg/m2)	1.016 (1.001, 1.032)	0.041
Income
<US$50 000	1
≥US$50 000	0.674 (0.516, 0.882)	0.004
History of smoking
Never smoked	1
Current smoking	1.453 (0.980, 2.155)	0.063
Quit smoking	1.401 (1.056, 1.860)	0.020
Study type
AMIGOS	1
PPCOSII	1.819 (1.373, 2.411)	<0.001