. Author manuscript; available in PMC: 2015 Aug 1.

Published in final edited form as: Subst Use Misuse. 2014 Mar 6;49(10):1259–1269. doi: 10.3109/10826084.2014.891621

TABLE 2.

Estimates of the parameters in the generalized linear mixed models of alcohol use data (N = 598)

	Coefficients of Zero Component β_z			Coefficients of Poisson Component β_p
	Estimate	2.5th percentile	97.5th percentile	Estimate	2.5th percentile	97.5th percentile
Weekend	−1.27^*	−1.29	−1.25	0.17^*	0.11	0.24
Holiday	−1.60^*	−1.77	−1.49	0.27^*	0.12	0.44
S.E. of random effect	2.16	2.15	2.18	0.76	0.69	0.80

The coefficient is significantly different from 0 at the .05 level.