Table 1. Mean (SD) craving scores for regular smokers, light smokers, and across all smokers on the QSU-brief and its subscales.

		QSU-Total	QSU-Withdrawal	QSU-Desire
Regular smokers	Pre	3.00 (0.85)	2.97 (0.94)	3.04 (0.87)
	Post	4.44 (0.84)	4.61 (0.89)	4.28 (0.93)
Light smokers	Pre	1.69 (0.74)	1.86 (0.87)	1.52 (0.73)
	Post	2.31 (1.07)	2.59 (1.21)	2.04 (1.00)
All smokers	Pre	2.43 (1.03)	2.48 (1.06)	2.37 (1.11)
	Post	3.49 (1.43)	3.70 (1.45)	3.27 (1.48)