Table 2.

Descriptive Statistics for Mood and Smoking Measures at Baseline, for the Total Sample and by Gender

	Total Sample				Girls				Boys
	N	Range	M	SD	N	Range	M	SD	N	Range	M	SD
BASELINE
Smoking Frequency	458	0.00 - 30.00	5.55	9.16	252	0.00 - 30.00	5.50	9.13	206	0.00 - 30.00	5.61	9.22
Smoking Quantity	461	0.00 - 15.00	1.22	2.07	254	0.00 - 15.00	1.19	1.99	207	0.00 - 15.00	1.24	2.17
mFTQ	447	0.00 - 6.00	1.57	1.30	248	0.00 - 6.00	1.54	1.33	199	0.00 - 6.00	1.60	1.28
Overall NA	461	1.02 - 8.16	3.53	1.51	254	1.12 - 8.16	3.79	1.59	207	1.02 - 7.39	3.21	1.35 **
NA Variability	461	0.07 - 3.41	1.63	0.62	254	0.27 - 3.18	1.73	0.58	207	0.07 - 3.41	1.50	0.64 ***
15 MONTHS
Smoking Frequency	408	0.00 - 30.00	7.24	11.30	232	0.00 - 30.00	7.27	11.33	176	0.00 - 30.00	7.22	11.29
Smoking Quantity	409	0.00 - 25.00	2.10	4.09	232	0.00 - 25.00	1.77	3.47	177	0.00 - 20.00	2.53	4.75
mFTQ	387	0.00 - 7.00	1.76	1.54	221	0.00 - 7.00	1.69	1.53	166	0.00 - 7.00	1.86	1.55
Overall NA	360	1.00 - 9.97	3.32	1.53	206	1.05 - 9.97	3.50	1.61	154	1.00 - 8.11	3.08	1.39 *
NA Variability	360	0.00 - 3.10	1.48	0.59	206	0.10 - 3.10	1.55	0.58	154	0.00 - 2.81	1.38	0.59 **

Note. NA: Negative Affect Scale - EMA; NA Mood Variability: Intraindividual standard deviations of Negative Affect Scale; Smoking Frequency: # Days smoked (past 30 days) - continuous measure; Smoking Quantity: # cigarettes on days smoked (past 30 days)-continuous measure. mFTQ: Modified Fagerstrom Tolerance Questionnaire.

For comparison of Girls versus Boys,

^*p < .05;

^**p < .01,

^***p < .001