Table 4.

Final multivariable model for a new antidepressant prescription for patients without depression diagnosis: Among the 3252 patients without depression diagnosis, 276 (8.5%) were given a new antidepressant prescription.

CHARACTERISTICNEW ANTIDEPRESSANT PRESCRIPTION
ESTIMATED OR95% CIP VALUE
Male sex0.770.59–1.01.056
Age, per 5-y increase*0.860.78–0.94.001
Anti-dementia medication prescription1.571.16–2.12.003
Polypharmacy1.290.92–1.64.058
Polypharmacy interaction with age increase§1.211.01–1.46.037
  • OR—odds ratio.

  • * This OR would be valid for people with no polypharmacy.

  • Prescription for anti-dementia medication on date of dementia diagnosis.

  • At least 5 different prescriptions filled within a 30-day window, within 6 months of dementia diagnosis. This OR estimate valid for those aged 82.

  • § Change in OR for people with polypharmacy for each 5-year increase in age.