Table 2.

MLM predicting Depressive Symptoms as a function of change in smoking and alcohol use.

Parameter	B	95% C.I.	S.E.	p
Mean Level (intercept)
Intercept	0.36	(−3.67 – 4.40)	2.04	.861
Baseline CES-D	0.43	(0.28 – 0.58)	.07	<.001
Past MDD (vs. none)	2.72	(0.90 – 4.55)	.925	.004
Male (vs. Female)	0.73	(−1.81 – 3.27)	1.28	.573
Baseline Cigarettes Per Week	0.07	(−.06 – 0.21)	.068	.267
Baseline Drinks Per Week	−0.03	(−0.09 – 0.03)	.029	.335
Naltrexone (vs. Placebo)	0.25	(−2.17 – 2.67)	1.22	.837
Time-varying Smoking Status
50% or greater reduction (vs.	4.02	(1.70 – 6.33)	1.17	.001
< 50% reduction (vs. Abstinence)	6.10	(3.22 – 8.98)	1.45	<.001
Time-varying Alcohol Use
50% or greater reduction vs.	.41	(−1.81 – 2.63)	1.13	.717
< 50% reduction or no change vs.	.25	(−1.86 – 2.40)	1.07	.818
Variance Components
Level 1
Within-person residuals	32.53	(25.87 – 40.90)	3.79	<.001
Level 2
In mean level (intercept)	22.57	(11.75 – 43.34)	7.51	.003
In rate of change (time)	2.90	(1.22 – 7.06)	1.31	.026
In time-varying smoking abstinence	8.53	(2.11 – 34.41)	6.006	.160
In time-varying alcohol abstinence	0.33	(0.00 – 2.25)	4.55	.937

Note. CES-D = Center for Epidemiologic Studies Depression Scale; MDD = major depressive disorder