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Table 4 Results of multivariate analysis demonstrating variables that predict having three or more opioid prescriptions in the 24-month period after hip surgery, adjusted for socioeconomic and active duty status

From: Predictors of chronic prescription opioid use after orthopedic surgery: derivation of a clinical prediction rule.

Variable Odds ratio (95% CI) P value
Preoperative use of prescription opioids 2.62 (2.02, 3.39) < 0.01*
Insomnia, preoperatively 2.09 (1.42, 3.09) < 0.01*
High health-seeking behavior preoperatively 7.23 (4.94, 10.54) < 0.01*
Substance abuse preoperatively 1.45 (1.07, 1.98) 0.02*
Non-opioid-based pain medication prescription preoperatively 1.37 (1.03, 1.81) 0.03*
Mental health disorder diagnosis preoperatively 2.24 (1.61, 3.09) < 0.01*
Sex (female) 1.28 (1.02, 1.61) 0.03*
  1. *Significant P < 0.05