Table 1.

Gender differences in risk behavior, physical activity and mental health

	Male	Female	χ2	P
Watch TV	1.68 ± 1.35	1.41 ± 1.05	69.79	0.00
Play video or computer games	2.14 ± 1.56	1.73 ± 1.24	1.06	0.00
Use smart phone	2.68 ± 1.55	2.59 ± 1.60	35.48	0.00
Use iPad	3.64 ± 1.37	3.69 ± 1.33	5.22	0.00
Bullied in school	1.87 ± 0.33	1.94 ± 0.23	74.25	0.00
Electronically bullied	1.88 ± 0.33	1.93 ± 0.25	40.13	0.00
Feel sad or hopeless	1.81 ± 0.39	1.86 ± 0.35	19.49	0.00
Try cigarette smoking	1.76 ± 0.43	1.92 ± 0.28	2.21	0.00
Age when first tried cigarette smoking	2.12 ± 1.93	1.32 ± 1.10	3.23	0.00
Number of days smoking cigarettes	1.40 ± 1.22	1.09 ± 0.56	1.73	0.00
Number of cigarettes each day	1.27 ± 1.13	1.03 ± 0.65	1.44	0.00
At least one drink of alcohol	2.53 ± 2.18	1.71 ± 1.67	2.87	0.00
Age of first drink of alcohol	2.78 ± 2.26	1.90 ± 1.82	2.55	0.00
Ride in a car with somebody drinking alcohol	1.24 ± 0.77	1.11 ± 0.50	41.78	0.00
At least one drink of alcohol	1.75 ± 1.67	1.32 ± 1.19	1.58	0.00
At least exercise 60 min per day	4.16 ± 2.63	3.91 ± 2.59	20.2	0.01
Physical education class	2.67 ± 1.29	2.61 ± 1.16	26.49	0.00
Sports teams	1.61 ± 0.90	1.50 ± 0.79	24.68	0.00
aHad a concussion	1.62 ± 1.07	1.48 ± 0.96	24.16	0.00

^aDuring the past 12 months, how many times did you have a concussion from playing a sport or being physically active?