Table 3.

Comparisons between WTP smokers and dual users∗ǂ.

Variable	WTP smokers	Dual users	p value
WTP Nicotine Dependence Scale1	63.763 (59.037, 68.489)	77.107 (69.906, 84.309)	0.001
Depressive Symptoms Scale2	9.914 (9.364, 10.463)	10.593 (8.926, 12.261)	0.175
Waterpipes smoked per week	2.615 (1.586, 3.644)	4.074 (2.022, 6.127)	0.145

^∗Plus-minus values are means ± SD. ǂAdjusted for weights (the total number of observations after weight adjustment is 123,083) and clusters. ¹WTP Nicotine Dependence Scale ranges from 37 to 185. ²Depressive Symptoms Scale ranges from 6 to 24.