Table 5.

χ² analyses of problem gambling criteria levels and substance use proportions by weapon-carrying status

	Non-weapon-carrying								χ2	p	Weapon-carrying								χ2	p
	0 criteria		1–2 criteria		3–4 criteria		≥5 criteria				0 criteria		1–2 criteria		3–4 criteria		≥5 criteria
Substance use	N	%	N	%	N	%	N	%			N	%	N	%	N	%	N	%
Marijuana use, lifetime	348	37.9	91	37.9	29	49.2	22	66.7	13.67	.003	152	57.6	87	61.7	35	72.9	71	88.8	28.1	<.001
Other drug use, lifetime	49	6.4	11	5.9	8	16.7	8	23.5	20.92	<.001	53	23.8	23	18.9	15	34.1	46	66.7	55.9	<.001
Smoking, current									7.09	.31									46.03	<.001
Never	614	63.6	151	59.7	35	56.5	20	57.1			111	42	56	39.7	15	31.3	12	15
Occasionally	231	23.9	73	28.9	21	33.9	8	22.9			84	31.8	54	38.3	16	33.3	19	23.8
Regularly	121	12.5	29	11.5	6	9.7	7	20			69	26.1	31	22.0	17	35.4	49	61.3
Alcohol use, lifetime	820	88.7	208	87.4	52	86.7	31	81.6	2.14	.54	246	95.3	133	95.0	46	93.9	76	93.8	0.41	.94
Alcohol use, current									15.27	.08									13.34	.15
Never regular	194	30.2	52	29.4	9	21.4	3	15.0			54	26.2	24	20.5	8	23.5	4	10.3
Light	189	29.4	56	31.6	12	28.6	5	25.0			50	24.3	30	25.6	4	11.8	10	25.6
Moderate	194	30.2	52	29.4	16	38.1	5	25.0			62	30.1	41	35.0	11	32.4	11	28.2
Heavy	66	10.3	17	9.6	5	11.9	7	35.0			40	19.4	22	18.8	11	12.6	14	35.9

Note. Criteria: criteria level for problem gambling.