Patients aged of 65 years or older (OR = 0.60; 95% CI: 0.41 - 0.87) or with social health insurance (OR = 0.60; 95% CI: 0.43 - 0.83) were less likely to experience DRPs. Patients who received five or more drugs were more likely to experience DRPs (OR = 1.87; 95% CI: 1.09 - 3.21).