Table 3. Results of logistic regression analysis conducted in five countries: relative odds of two health outcomes associated with (1) physical fighting and (2) weapon carrying, 2006 (Boys) ^*.

Variables	Belgium-French OR (95% CI)	Canada OR (95% CI)	Israel OR (95% CI)	FYR Macedonia OR (95% CI)	United States OR (95% CI)
BOYS
Medically Attended Injury	(N  = 1295)	(N  = 2698)	(N  = 1648)	(N  = 2520)	(N  = 1208)
Physical Fighting (last 12 months):
Never	1.00	1.00	1.00	1.00	1.00
Infrequent (1–2 times)	1.73 (1.32–2.28)	1.71 (1.42–2.06)	2.14 (1.67–2.74)	1.96 (1.60–2.38)	1.79 (1.37–2.33)
Frequent (3 or more times)	1.85 (1.34–2.55)	2.03 (1.60–2.57)	2.87 (2.05–4.03)	2.33 (1.84–2.96)	1.93 (1.31–2.85)
Weapon Carrying (last 30 days)	1.55 (1.03–2.34)	1.48 (1.18–1.87)	1.55 (1.13–2.13)	2.54 (1.95–3.30)	1.28 (0.95–1.71)
Emotional Health Outcomes
Physical Fighting (last 12 months):
Never	1.00	1.00	1.00	1.00	1.00
Infrequent (1–2 times)	1.23 (0.88–1.71)	1.51 (1.21–1.88)	1.33 (1.04–1.71)	1.45 (1.17–1.80)	1.48 (1.11–1.98)
Frequent (3 or more times)	2.25 (1.57–3.23)	2.51 (1.93–3.27)	1.96 (1.43–2.70)	2.19 (1.71–2.81)	2.36 (1.51–3.36)
Weapon Carrying (last 30 days)	1.95 (1.28–2.97)	1.96 (1.53–2.51)	2.15 (1.58–2.91)	1.93 (1.47–2.52)	1.63 (1.20–2.20)

^*(1) Models simultaneously adjusted for age, socio-economic status, physical activity, smoking, drinking, evenings out with friends, and bullying victimization.