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Table 4 Multivariable logistic regression model of self-reporting substance use in during the past 72 h among urinalysis-confirmed users

From: Validity of self-reported substance use: research setting versus primary health care setting

  AORa 95% CI p
Self-reported drug use during the past 72 h
 PHC group (Ref = RYCS group) 1.25 (0.56–2.77) 0.590
  1. aadjusted for gender (male/ female)
  2. dds ratio was not calculated to compare of self-reported substance use over the past year, as some people may have correctly self-report of substance use over the past year, but a urine test could not determine substance use over the past year