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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Paediatr Perinat Epidemiol. 2015 Nov 3;30(2):190–200. doi: 10.1111/ppe.12253

Table 4.

Comparison of risk of clinically-significant internalizing behavior problems for exposure to triptans

Among all mothers (n=41,173)
Total N N with outcome Crude Risk Ratio (95% Confidence Interval) Adjusted Risk Ratio1 (95% Confidence Interval) Crude Risk Difference (95% Confidence Interval) Adjusted Risk Difference1 (95% Confidence Interval)
Triptans in pregnancy 396 27 0.79 [0.51, 1.21) 0.78 [0.51, 1.19] −0.02 [−0.05, 0.01] −0.02 [−0.05, 0.01]
 Vs.Triptans pre-pregnancy only 798 69 Referent Referent Referent Referent
Triptans in pregnancy 396 27 0.88 [0.60, 1.29) 0.89 [0.61, 1.30] −0.01 [−0.04, 0.02] −0.01 [−0.03, 0.01]
 Vs. Migraine with no triptan use 3,291 255 Referent Referent Referent Referent
Triptans in pregnancy 396 27 1.09 [0.78, 1.58) 1.02 [0.71, 1.47] 0.01 [−0.02, 0.03] 0.00 [−0.03, 0.02]
 Vs. Population (no triptan use or migraine) 36,688 2284 Referent Referent Referent Referent

Among mothers with migraine (n=4,439)

Total N N with outcome Crude Risk Ratio (95% Confidence Interval) Marginal Structural Model Risk Ratio2 (95% Confidence Interval) Crude Risk Difference (95% Confidence Interval) Marginal Structural Model Risk Difference2 (95% Confidence Interval)

Pre- pregnancy triptan use 1,085 86 1.32 [1.04, 1.66] 1.04 [0.80, 1.35] 0.02 [0.00, 0.04] 0.00 [−0.02, 0.03]
 Vs.no pre-pregnancy 3,354 260 Referent Referent Referent Referent
Triptans in 1st trimester 304 20 0.90 [0.54, 1.48] 1.27 [0.57, 2.82] −0.01 [−0.04, 0.03] 0.02 [−0.06, 0.10]
 Vs. No triptan use in 1st trimester 4,135 326 Referent Referent Referent Referent
Triptans in 2nd /3rd trimester 137 7 0.69 [0.32, 1.50] 0.70 [0.16, 3.14] −0.02 [−0.07, 0.02] −0.02 [−0.11, 0.07]
 Vs. No triptan use in 2nd/3rd trimester 4,302 339 Referent Referent Referent Referent
1

Models adjusted for maternal age, pre-pregnancy BMI, parity, marital status, education, cigarette and alcohol use, comedication use (NSAIDs, acetaminophen, opioids, antidepressants), depressive and anxiety symptoms.

2

Marginal structural models weighted with stabilized inverse probability of treatment weights, constructed at each time point using baseline confounders, time-invariant confounders, and medication history.