Table 3.

Risk of ADHD By Timing of Perinatal Depression

	Unadjusted Model	Adjusted Main Model
Characteristics	Hazard Ratio (95% CI)	Hazard Ratio (95% CI)
Perinatal Depression
No depression	1.00 (REF)	1.00 (REF)
Depression onset diagnosed prior to delivery (0/1)	5.15 (3.47, 7.64)	5.08 (3.42, 7.55)
Depression onset postpartum (0/1)	2.37 (1.61, 3.49)	2.31 (1.56, 3.41)
Maternal Age
25 yrs. or less		1.29 (0.91, 1.84)
26–35 yrs.		REF
36 and older		1.09 (0.80, 1.49)
Pregnancy induced hypertension		1.39 (0.95, 2.04)

Bold indicates p value <.05, Depression onset diagnosed prior to delivery n= 149

Depression onset diagnosed postpartum n=335