Table 3.

Associations between craving and mood and smoking, among social smokers (SS+) and other (SS−) intermittent smokers

	SS− (N = 180)			SS+ (N = 24)				Interaction/Difference
	NS - Mean(SD)	Cig - Mean(SD)	OR (CI)	p	NS - Mean(SD)	Cig - Mean(SD)	OR (CI)	p	OR (CI)	p
Negative affect	52.10 (7.12)	52.21 (7.45)			53.30 (8.17)	51.93 (7.35)
Linear			0.90 (0.80,1.00)	0.0515			1.06 (0.85,1.32)	0.6213	1.21 (0.94,1.55)	0.1467
Quadratic			1.10 (1.04,1.16)	0.0004			0.84 (0.71,1.00)	0.0464	1.01 (0.99,1.04)	0.2790
Positive affect	50.78 (6.11)	51.42 (6.09)			49.99 (7.16)	52.80 (6.56)
Linear			1.14 (1.02,1.28)	0.0171			1.35 (1.01,1.81)	0.0413	1.18 (0.85,1.63)	0.3298
Quadratic			1.00 (0.94,1.07)	0.8940			0.96 (0.81,1.14)	0.6247	1.02 (0.98,1.05)	0.3681
Arousal	48.70 (4.55)	50.11 (4.91)			48.56 (4.79)	51.70 (6.65)
Linear			1.10 (1.02,1.18)	0.0163			1.24 (1.03,1.49)	0.0236	1.15 (0.93,1.41)	0.2018
Adjusted for time of day			1.12 (1.04,1.22)	0.0051			1.58 (1.30,1.92)	<.0001	1.14 (0.93,1.40)	0.2166
Quadratic			0.90 (0.85,0.94)	<.0001			0.91 (0.81,1.02)	0.0958	1.02 (0.99,1.04)	0.1614
Adjusted for time of day			0.89 (0.85,0.94)	<.0001			0.83 (0.75,0.93)	0.0011	1.02 (0.99,1.04)	0.1628
Attention disturbance	53.05 (9.29)	52.54 (9.08)			55.21 (9.85)	54.12 (9.20)
Linear			0.86 (0.79,0.92)	<.0001			1.10 (0.97,1.25)	0.1244	1.30 (1.11,1.51)	0.0008
Quadratic			1.02 (0.98,1.06)	0.2616			0.88 (0.82,0.94)	0.0002	1.02 (1.00,1.03)	0.0057
Craving	28.61 (20.05)	61.48 (21.57)			16.27 (16.06)	57.45 (27.24)
Linear			1.43 (1.35,1.52)	<.0001			1.81 (1.65,2.00)	<.0001	1.27 (1.13,1.42)	<.0001
Quadratic			0.99 (0.97,1.01)	0.3644			0.96 (0.93,1.00)	0.0680	1.02 (1.01,1.04)	0.0017

Affect scales were standardized scores normed to mean = 50, SD = 10. Craving was assessed on a 0–100 scale; values were divided by 10 to estimate the OR, so it represents the change due to 10 points in the craving scale.