Bicycle helmet use four years after the introduction of helmet legislation in Alberta, Canada

Regression standard errors in clustered samples

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Regression analyses of counts and rates: Poisson, overdispersed Poisson, and negative binomial models.

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Engineering, Incompleteness, Management +15

Assessing ecologic proxies for household income: a comparison of household and neighbourhood level income measures in the study of population health status

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Urban Health, Health Inequality, Health Economics +12

Effectiveness of bicycle safety helmets in preventing head injuries. A case-control study

D. C. Thompson · JAMA · 1996 · 284 citations

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