Table 3.

Serious acquisitive crime subcategories: offending rate, rate ratio and age-adjusted rate ratio, by drug test result and gender.

		Men, n = 107,573				Women, n = 32,352
Offence category	DTR subgroup	%	Rate	RR	aRR	%	Rate	RR	aRR
Burglary	Dually negative	8.3	0.065	Ref.	Ref.	1.5	0.009	Ref.	Ref.
Cocaine-only	6.8	0.057	0.87 [0.83, 0.92]	0.92 [0.87, 0.97]	2.9	0.021	2.28 [1.85, 2.80]	2.34 [1.90, 2.88]
Opiate-only	13.5	0.109	1.67 [1.58, 1.77]	1.93 [1.82, 2.04]	3.7	0.028	3.09 [2.51, 3.80]	3.44 [2.78, 4.24]
Opiate and cocaine	14.3	0.128	1.97 [1.89, 2.06]	2.30 [2.20, 2.41]	5.2	0.036	3.92 [3.36, 4.57]	4.38 [3.74, 5.14]
Theft of vehicle	Dually negative	4.9	0.036	Ref.	Ref.	0.8	0.004	Ref.	Ref.
Cocaine-only	3.7	0.026	0.74 [0.68, 0.79]	0.90 [0.84, 0.97]	1.3	0.007	1.76 [1.25, 2.47]	1.89 [1.34, 2.66]
Opiate-only	3.7	0.025	0.70 [0.63, 0.78]	1.36 [1.21, 1.52]	1.0	0.006	1.44 [0.95, 2.21]	1.81 [1.18, 2.77]
Opiate and cocaine	3.5	0.026	0.74 [0.68, 0.81]	1.54 [1.40, 1.68]	1.2	0.007	1.73 [1.28, 2.35]	2.20 [1.61, 3.01]
Theft from vehicle	Dually negative	2.4	0.018	Ref.	Ref.	0.1	0.001	Ref.	Ref.
Cocaine-only	2.2	0.019	1.05 [0.96, 1.14]	1.10 [1.01, 1.21]	0.3	0.002	1.67 [0.82, 3.41]	1.81 [0.89, 3.71]
Opiate-only	4.0	0.037	2.07 [1.88, 2.28]	2.52 [2.28, 2.79]	0.4	0.003	2.55 [1.29, 5.03]	3.25 [1.63, 6.48]
Opiate and cocaine	4.4	0.044	2.47 [2.29, 2.66]	3.08 [2.84, 3.34]	0.7	0.004	4.01 [2.53, 6.37]	5.27 [3.24, 8.58]
Robbery	Dually negative	1.9	0.014	Ref.	Ref.	0.4	0.003	Ref.	Ref.
Cocaine-only	1.2	0.008	0.57 [0.50, 0.65]	0.71 [0.63, 0.81]	0.6	0.003	1.16 [0.69, 1.95]	1.34 [0.79, 2.25]
Opiate-only	1.1	0.008	0.59 [0.48, 0.71]	1.16 [0.96, 1.41]	0.3	0.002	0.89 [0.45, 1.76]	1.28 [0.64, 2.52]
Opiate and cocaine	1.3	0.009	0.65 [0.56, 0.75]	1.37 [1.17, 1.59]	0.7	0.004	1.51 [1.00, 2.28]	2.29 [1.50, 3.52]

% = percentage with crime over follow-up; rate = rate of offending per person year; RR = rate ratio; aRR = rate ratio adjusted for age (counts of offences and age-covariate estimates available in Appendix C).