Association between pharmacotherapy for ADHD in offspring and depression-related specialty care visits by parents with a history of depression

Table 2 Associations between pharmacotherapy for ADHD in offspring and the hazard rate for depression-related specialty care visits in parents

			Between-individual comparison ^a	Within-individual comparison ^b
	Parents, No.	Events, No.	HR (95% CI)	HR (95% CI)
Mothers	3872	12,978	1.00 (0.92–1.09)	0.99 (0.91–1.06)
Fathers	1733	4719	0.96 (0.87–1.06)	0.79 (0.70–0.90)

HR Hazard ratio, CI confidence interval
^aBetween individual comparisons were adjusted for age of the offspring as a time-varying covariate, as well as measured time-constant covariates, including sex of the offspring, civil status, highest education achieved, and employment status of the parent at baseline
^bWithin individual comparisons were adjusted for age of the offspring as a time-varying covariate

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