Table 2.

Change in the Predicted Diagnostic Prevalence of Cannabis Use Disorder in VHA patients, 2005–2019, by Sex and Age Category

	Predicted prevalence of cannabis use disorder, 2005–2014				Predicted prevalence of cannabis use disorder, 2016–2019
	2005 % (95% CI)	2014 % (95% CI)	2005 to 2014 Change (95% CI)	Difference in gender changes, 2005–2014 (95% CI)	2016 % (95% CI)	2019 % (95% CI)	2016 to 2019 Change (95% CI)	Difference in gender changes, 2016–2019 (95% CI)
<35
Women	0.60 (0.53, 0.67)	2.11 (2.02, 2.21)	1.51 (1.40, 1.63)	Reference Group	2.21 (2.12, 2.30)	2.83 (2.73, 2.93)	0.62 (0.49, 0.76)	Reference Group
Men	1.85 (1.78, 1.92)	4.71 (4.64, 4.77)	2.86 (2.76, 2.96)	1.35 (1.20, 1.50)	4.46 (4.40, 4.52)	4.89 (4.82, 4.96)	0.43 (0.34, 0.52)	−0.19 (−0.36, −0.03)
35–64
Women	0.88 (0.83, 0.93)	1.55 (1.51, 1.60)	0.67 (0.61, 0.74)	Reference Group	1.32 (1.28, 1.36)	1.61 (1.57, 1.65)	0.29 (0.24, 0.35)	Reference Group
Men	1.75 (1.73, 1.77)	3.23 (3.20, 3.25)	1.47 (1.44, 1.51)	0.80 (0.73, 0.87)	2.65 (2.62, 2.67)	3.03 (3.00, 3.05)	0.38 (0.35, 0.41)	0.09 (0.03, 0.15)
≥65
Women	0.02 (0.00, 0.03)	0.17 (0.14, 0.20)	0.16 (0.12, 0.19)	Reference Group	0.20 (0.18, 0.23)	0.34 (0.31, 0.37)	0.13 (0.09, 0.17)	Reference Group
Men	0.04 (0.03, 0.04)	0.44 (0.44, 0.45)	0.40 (0.40, 0.41)	0.25 (0.21, 0.28)	0.45 (0.44, 0.46)	0.77 (0.76, 0.78)	0.32 (0.31, 0.34)	0.19 (0.15, 0.23)

CI = Confidence Interval

Models include year, sex, year X sex, race/ethnicity, continuous age