Table 2.

Unweighted GEE, weighted GEE, and mixed-effects regression analyses of the condition contrasts on smoking status (n = 284)

Variable	Regression coefficient	Standard error	z Statistic
Unweighted GEE
ED (Early diet vs. control)	−.55	0.30	−1.81
LD (Late diet vs. control)	−.63	0.31	−2.01*
Weighted GEE
ED (Early diet vs. control)	−.59	0.43	−1.37
LD (Late diet vs. control)	−.46	0.38	−1.22
Mixed-effects regression
ED (Early diet vs. control)	−.23	0.24	−0.95
LD (Late diet vs. control)	−.22	0.25	−0.88

Note. *p < .05.