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Table 1 Participating patient demographics across each enrollment period

From: Impact of system-level changes and training on alcohol screening and brief intervention in a family medicine residency clinic: a pilot study

  Baseline (n=95) 6-weeks (n=93) 6- months (n=100) Chi-square value (p-value)
% Female 72.6% 59.1% 58.0% 5.455 (.065)
Race/Ethnicity     5.863 (.210)
- African American 53.6% 50.0% 64.0%  
- Caucasian 44.3% 48.9% 33.0%  
- Other 2.1% 1.1% 3.0%  
Mean Age in Years (SD)a 41.4 (15.8) 48.1 (13.7) 48.4 (13.4) 7.268(.001)
  1. a – One-way ANOVA performed for differences in means yields F-statistic = 7.268 and p=.001.