Table 3.

Mean (SD) of Depressive Symptomatology, Affect, and Withdrawal Symptoms Between Treatment Conditions

	AE (n = 30)	HEC (n = 31)	Effect size (Cohen’s d)
CES-D scores
Baseline	6.3 (6.3)	8.2 (7.2)
Week 5 (quit date)	7.3 (7.2)	8.0 (6.2)	0.09
Week 7 (2 weeks postquit date)	6.7 (9.7)	10.9 (8.9)	0.45
Week 12 (last week of treatment)	1.5 (9.1)	9.4 (7.4)	0.95
PANAS positive affect
Baseline	3.6 (0.9)	3.5 (0.8)
Week 5 (quit date)	3.6 (0.9)	3.7 (0.7)	0.11
Week 7 (2 weeks postquit date)	3.9 (0.9)	3.3 (1.0)	0.39
Week 12 (last week of treatment)	4.1 (0.8)	3.7 (0.8)	0.53
PANAS negative affect
Baseline	1.2 (0.3)	1.3 (0.5)
Week 5 (quit date)	1.4 (0.7)	1.4 (0.3)	0.00
Week 7 (2 weeks postquit date)	1.4 (0.8)	1.4 (0.5)	0.09
Week 12 (last week of treatment)	1.1 (0.2)	1.2 (0.3)	0.59
Withdrawal symptoms—negative affect
Week 5 (quit date)	5.1 (2.5)	4.5 (1.5)	0.29
Week 7 (2 weeks postquit date)	4.2 (2.0)	5.6 (2.0)	0.70
Week 12 (last week of treatment)	3.1 (0.3)	4.6 (2.0)	1.05
Withdrawal symptoms—craving
Week 5 (quit date)	4.9 (1.7)	4.8 (1.3)	0.07
Week 7 (2 weeks postquit date)	4.0 (1.6)	4.4 (1.4)	0.27
Week 12 (last week of treatment)	3.5 (1.2)	3.9 (1.7)	0.27
Withdrawal symptoms—sleep
Week 5 (quit date)	4.9 (1.5)	5.5 (1.6)	0.35
Week 7 (2 weeks postquit date)	5.8 (2.0)	6.9 (2.5)	0.46
Week 12 (last week of treatment)	4.7 (1.2)	5.7 (1.7)	0.68
Withdrawal symptoms—somatic
Week 5 (quit date)	4.8 (1.6)	4.8 (1.3)	0.00
Week 7 (2 weeks postquit date)	4.3 (1.8)	5.4 (1.7)	0.63
Week 12 (last week of treatment)	3.7 (0.8)	4.4 (1.3)	0.65
Minutes of MVPA per week
Baseline	77.3 (112.5)	60.3 (99.5)
Week 5 (quit date)	138.3 (77.5)	62.7 (104.8)	0.82
Week 7 (2 weeks postquit date)	146.2 (96.5)	78.2 (115.0)	0.64
Week 12 (last week of treatment)	134.0 (99.4)	70.1 (105.2)	0.62

Note. AE = aerobic exercise; CES-D = Center for Epidemiological Studies Depression Scale; HEC = health education control; MVPA = moderate-to-vigorous physical activity; PANAS = Positive and Negative Affect Scale.