Table 6.

Health and functioning measures and association with problematic gaming, by gender

		Total Sample					Boys					Girls
Variable		Number of gamers	%	% problematic gamers	X2	p	Number of gamers	%	% problematic gamers	X2	p	Number of gamers	%	% problematic gamers	X2	p
Grade average	A's and B's	1189	55.64	4.63	1.07	0.5847	748	53.24	5.61	0.2313	0.8908	431	61.05	2.78	0.569	0.7521
	C's	674	31.54	5.49			457	32.53	5.91			206	29.18	3.88
	D's and F's	274	12.82	5.84			200	14.23	6.5			69	9.77	2.9
Extra-curricular activities	Yes	1646	74.95	4.68	2.42	0.1198	1072	74.7	5.41	1.51	0.2191	552	75.72	2.54	1.81	0.1795
	No	550	25.05	6.36			363	25.3	7.16			177	24.28	4.52
Smoking, lifetime
	Never	1363	64.35	3.96	10.28	0.0058	911	66.06	4.39	9.91	0.0071	434	61.13	2.76	2.08	0.353
	Occasionally	467	22.05	5.57			302	21.9	6.62			161	22.68	2.48
	Regularly	288	13.6	8.33			166	12.04	10.24			115	16.2	5.22
Marijuana, lifetime	Yes	776	37.91	6.19	2.86	0.0906	507	38.32	6.31	0.36	0.5472	256	36.99	4.69	3	0.0831
	No	1271	62.09	4.48			816	61.68	5.51			436	63.01	2.29
Sip of alcohol, lifetime	Yes	1758	85.05	4.95	0.78	0.3778	1118	83.75	5.64	0.99	0.3207	614	87.59	3.26	0.23	0.6313
	No	309	14.95	6.15			217	16.25	7.37			87	12.41	2.3
Current alcohol frequency	Never regular	396	31.5	5.3	2.44	0.4867	255	31.99	5.49	1.01	0.7984	138	30.8	5.07	6.91	0.0751
	Light	366	29.12	3.28			221	27.73	4.52			142	31.7	1.41
	Moderate	344	27.37	3.49			222	27.85	4.5			118	26.34	0.85
	Heavy	151	12.01	3.97			99	12.42	3.03			50	11.16	6.01
Other drug use, lifetime	Yes	183	10.13	10.38	12.53	0.0004	120	10.17	9.17	3.03	0.0814	58	9.63	10.34	10.85	0.001
	No	1623	89.87	1.37			1060	89.83	5.28			544	90.37	2.39
Caffeine use	None	403	18.88	7.69	9.44	0.0089	279	20.04	7.89	4.18	0.1236	112	15.75	6.25	5.42	0.0666
	1-2 drinks per day	1142	53.49	3.85			738	53.02	4.61			394	55.41	2.03
	2+ drinks per day	590	27.63	5.08			375	26.94	5.87			205	28.83	2.93
Sad or hopeless 2+weeks	Yes	431	20.66	10.21	36.85	<0.0001	211	15.62	11.37	17.44	<0.0001	214	30.27	7.48	21.62	<0.0001
	No	1655	79.34	3.26			1140	84.38	4.3			493	69.73	1.01
Serious fights	Yes	177	8.3	14.12	35.56	<0.0001	129	9.31	13.95	19.12	<0.0001	41	5.73	9.76	6.52	0.0106
	No	1955	91.7	4.04			1257	90.69	4.69			675	94.27	2.67
Carry a weapon	Yes	530	24.75	7.74	12.63	0.0004	431	30.85	7.66	5.51	0.019	86	12.04	4.65	0.81	0.369
	No	1611	75.25	3.91			966	69.15	4.55			628	87.96	2.87