Table 1.

Marijuana demand indices for low grade, mid grade, and high grade marijuana.

Demand Indices	Estimates (SE) [95% CI]
	Low grade marijuana (N = 683)	Mid grade marijuana (N = 665)	High grade marijuana (N = 608)
Breakpoint	7.17 (.17) [6.84, 7.50]	9.86 (.18) [9.51, 10.21]	13.10 (.18) [12.75, 13.45]
Intensity of demand – observed	5.51 (.19) [5.14, 5.88]	6.02 (.19) [5.65, 6.39]	5.80 (.20) [5.41, 6.19]
Intensity of demand - - derived	4.56 (.18) [4.21, 4.91]	5.06 (.18) [4.71, 5.41]	5.85 (.19) [5.48, 6.22]
Omax – observed	11.24 (.52) [10.22, 12.26]	18.46 (.92) [16.66, 20.26]	27.55 (1.10) [25.39, 29.71]
Omax – derived	8.53 (.32) [7.90, 9.16]	13.57 (.47) [12.65, 14.49]	19.49 (.63) [18.26, 20.72]
Pmax – observed	3.94 (.16) [3.63, 4.25]	5.98 (.18) [5.63, 6.33]	9.34 (.21) [8.93, 9.75]
Pmax – derived	5.08 (.06) [4.96, 5.20]	7.28 (.11) [7.06, 7.50]	8.99 (.12) [8.75, 9.23]
Elasticity of demand	−1.97 (.03) [−1.91, −2.03]	−1.37 (.02) [−1.33, −1.41]	−1.11 (.02) [−1.07, −1.15]

CI = confidence interval; SE = standard error. 95% CI was calculated as estimate ± 1.96 × SE.