Table 1.

Descriptive Statistics for Mood and Parenting Variables for the Total Sample and by Baseline Adolescent Smoking Status

	Total			Baseline Smokers			Baseline Non-smokers
	N	M	SD	n	M	SD	n	M	SD	Cohen's d
Negative Affect
Baseline NA	111	3.30	1.44	40	3.81	1.60	71	3.02	1.27	0.57**
6 Month NA	111	3.19	1.53	40	3.75	1.67	71	2.87	1.35	0.60**
24 Month NA	111	3.27	1.47	40	3.66	1.64	71	3.05	1.33	0.42*
Change Baseline → 24 Months	111	-0.03	1.45	40	-0.15	1.68	71	0.04	1.32	0.13
Change 6 Months → 24 Months	111	0.08	1.36	40	-0.09	1.61	71	0.18	1.21	0.20
Mother
Communication Style	104	5.76	1.31	37	6.14	1.09	67	5.55	1.38	0.46*
Control	104	5.13	0.94	37	5.08	0.85	67	5.16	1.00	0.08
Father
Communication Style	70	5.17	1.36	29	5.33	1.40	41	5.07	1.33	0.19
Control	70	4.88	1.17	29	4.79	1.00	41	4.95	1.28	0.14

Note. For comparison of adolescent smokers and non-smokers.

^*Significant difference between smokers and non-smokers, p < .05

^**Significant difference between smokers and non-smokers, p < .01.

NA = Negative Affect.

For Cohen's d, the absolute value is shown.