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Table 5 Multiple logistic regression analysis to identify predictors of inappropriate drug use

From: Prevalence of inappropriate medication using Beers criteria in Japanese long-term care facilities

Variable Odds ratio 95%CI P value Correlation coefficient*
Psychotropic drug use 1.528 1.133 – 2.059 0.005 0.156
Medication cost per day** 1.172 1.011 – 1.360 0.036 0.213
Number of medications per day 1.141 1.075 – 1.211 0.000 0.268
Age 0.981 0.965 – 0.998 0.029 -0.124
  1. * The Pearson's bivariate correlation coefficients.
  2. ** Cost of medication per day has been converted to natural logs.