Methylphenidate use and misuse among medical residents in Israel: a cross-sectional study

Table 3 Multivariate analysis of MPH misusers vs. non-users (forward method)

	Odds ratio (95% confidence interval)	P value
Country of birth
Israel	Reference
Other	1.99 (1.06, 3.73)	0.027
Residency
Family	Reference
Pediatric/internal medicine	5.61 (2.17, 14.5)	< 0.001
Surgery	4.4 (1.82, 10.63)	0.001
Other	0.75 (0.19, 2.95)	0.755
Residency* gender
Pediatric/internal medicine* female	0.28 (0.11, 0.74)	0.011
Surgery* female	0.88 (0.33, 2.31)	0.79
Other* female	3.03 (0.69, 13.32)	0.141

Variables not included in the final model: age group, gender, native language, number of children, ASRS, age group*country of birth

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