Multiple risk behaviour and its association with head and neck injuries: a national analysis of young Canadians

BACKGROUND: Among adolescents, risk behaviors often cluster together and lead to risk behaviour syndromes. Multiple risk behaviors in turn become important determinants of health outcomes, including injuries. METHODS: A national sample (n = 11,415) of Canadian youth aged 11-15 years was examined from the 1997-1998 Health Behaviour in School-Aged Children Survey. Principal components analyses were used to characterize how adolescent risk …