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. Author manuscript; available in PMC: 2017 Dec 14.

Published in final edited form as: Drug Alcohol Depend. 2017 Jul 5;178:551–555. doi: 10.1016/j.drugalcdep.2017.06.004

Table 1.

Model fit and demand parameters for the entire sample, males, and females.

	Total Sample	Males	Females
R²	0.5	0.47	0.55
Q₀	224.5	213.3	229.6
α	0.0023	0.0014	0.0012
O_max	$25.23	$24.26	$28.37
P_max	$0.34o	$0.32	$0.35

Q₀=derived consumption at lowest cost, α = demand elasticity, O_max = the amount spent at P_max, P_max = price at which the most money was spent.