Prevalence of alcohol related traffic crashes (ARTC) by shifts (time and day of week), in TC victims attended in emergency rooms of Porto Alegre, 2008.

ARTC prevalence strata used in the combination of outlet and shift (COS) stratification: usual font indicates low prevalence of ARTC; italycs indicate Intermediate prevalence; bold indicates high prevalence.

用于联合排放点与轮班（combination of outlet and shift, COS）分层的ARTC流行分层：常规字体表示ARTC低流行率；斜体表示ARTC中等流行率；粗体表示ARTC高流行率。