Table 2.

Factors associated with a potentially inappropriate medication according to the Screening Tool of Older Person’s Prescription criteria.

Associated factors			Odds ratio (95% CI)		P value
Woman			1.43 (1.01-2.01)		.04
Number of drugs			1.25 (1.14-1.37)		<.001
Social class
	Unskilled	Reference		N/Aa
	Skilled worker in the primary sector	1.45 (0.98-2.16)		.07
	Supervisors, managers, and directors	1.91 (1.25-2.93)		.003
Usage of drugs in Anatomical Therapeutic Chemical classification system-nervous system group			3.75 (2.43-5.76)		<.001

^aN/A: not applicable.