Table 5

Associations with inappropriate drug use at baseline and at end of study

CHARACTERISTICBASELINEIMPROVEMENT AT END POINT
CRUDE ORADJUSTED ORCRUDE ORADJUSTED OR
Age, y
  • 50–59ReferenceReferenceReferenceReference
  • 60–692.06 (0.65–6.60)2.89 (0.68–12.3)0.72 (0.28–1.90)1.81 (0.38–8.60)
  • 70–794.95 (1.43–17.10)4.01 (0.94–17.1)2.44 (0.86–6.87)2.59 (0.53–12.53)
  • ≥ 805.00 (1.19–20.50)8.18 (1.35–49.4)2.19 (0.63–7.51)2.91 (0.46–18.55)
Sex (reference = male)0.84 (0.35–2.03)0.66 (0.22–1.98)0.84 (0.35–2.03)0.85 (0.26–2.77)
University-level education0.22 (0.08–0.59)0.11 (0.03–0.50)0.37 (0.14–1.02)0.77 (0.15–3.98)
Household income ≥ $80 0000.37 (0.12–1.11)1.35 (0.27–6.80)0.52 (0.17–1.62)1.55 (0.23–10.52)
≥ 2 chronic conditions2.68 (0.98–7.34)0.84 (0.18–3.94)2.68 (0.98–7.34)1.84 (0.38–8.81)
Polypharmacy (> 4 medications)6.64 (2.54–17.4)8.38 (2.55–27.5)4.10 (1.60–10.5)1.40 (0.35–5.56)
Any inappropriate medication at baselineNANA21.0 (7.02–62.8)14.62 (4.03–53.04)
  • NA—not applicable, OR—odds ratio.