Table 4.

Factors associated with identification of potentially inappropriate medications (PIMs) among the nursing home residents presented as marginal effects; multivariate Poisson regression.

		Poisson Regression
		Marginal effect	95% CI	p-value
Sex
	Female	Ref
	Men	0.37	−0.12, 0.87	0.14
Study location
	Urban	Ref
	Rural	0.02	−0.44, 0.48	0.94
Age
	<80 years	Ref
	80+ years	−0.43	−1.22, −0.04	<0.05 *
Number of medicines used regularly
	0–3	Ref
	4–6	0.73	0.40, 1.06	<0.001 *
	7–9	1.06	0.64, 1.48	<0.001 *
	10+	2.11	1.42, 2.80	<0.001 *

* Indicates significant influence (p < 0.05). CI; confidence interval. Pseudo R² = 0.16.