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Table 5 Univariate and multivariate logistic regression analyses of predictive variables for having psychotropic interactions in 2000, and 2016, among patients in three nursing homes with 386 and 416 patients the respective years

From: A retrospective comparison of inappropriate prescribing of psychotropics in three Norwegian nursing homes in 2000 and 2016 with prescribing quality indicators

Predictive variables 2000 2016
n = 386 n = 416
Unadjusted model Adjusted model Unadjusted model Adjusted model
OR (95% CI) p-value OR (95% CI) p-value OR (95% CI) p-value OR (95% CI) p-value
Gender 1.60 (0.59–4.31) 0.358    1.26 (0.72–2.18) 0.425   
Age 0.99 (0.94–1.05) 0.741    0.99 (0.96–1.02) 0.457   
Number of psychotropic drugs 4.28 (1.25–14.64) 0.021 6.06 (1.61–22.81) 0.008 2.95 (1.97–4.42) < 0.001 2.58 (1.43–4.63) 0.002
Prescribed antidepressants 4.52 (1.80–11.34) 0.001 3.18 (1.12–9.04) 0.030 45.98 (20.80–101.67) < 0.001 29.00 (12.23–68.77) < 0.001
Prescribed antipsychotics 1.62 (0.68–3.86) 0.274    0.54 (0.31–0.92) 0.023 0.61 (0.24–1.51) 0.282
Prescribed anxiolytics-hypnotics 0.09 (0.02–0.42) 0.002 0.07 (0.02–0.35) 0.001 0.57 (0.24–1.35) 0.200 0.51 (0.15–1.78) 0.293
Prescribed antiepileptics 1.97 (0.51–7.67) 0.326    0.95 (0.49–1.84) 0.879   
  1. OR Odds ratio, CI Confidence interval