Validation of maternal recall of early pregnancy medication exposure using prospective diary data.

Sundermann AC, Hartmann KE, Jones SH, Torstenson ES, Velez Edwards DR
Ann Epidemiol. 2017 27 (2): 135-139.e2

PMID: 28012836 · PMCID: PMC5685497 · DOI:10.1016/j.annepidem.2016.11.015

PURPOSE - Data about maternal recall accuracy for classifying early pregnancy medication exposure are meager. Nonetheless, studies often rely on recall to evaluate potential impact of pharmaceuticals on the developing fetus.

METHODS - Right from the Start is a community-based pregnancy cohort that enrolled women from North Carolina, Tennessee, and Texas. A subset of 318 women participated in daily medication diaries initiated before conception (2006-2012). We examined nonsteroidal anti-inflammatory drugs (NSAIDs) as an example of a drug type that is difficult to study due to its intermittent and primarily over-the-counter use as well as its incomplete documentation in medical and pharmaceutical records. Selective serotonin reuptake inhibitors (SSRI) were assessed as a prescription medication comparator. Maternal recall of NSAID and SSRI use in early pregnancy was examined by comparing diary data (gold standard) to first-trimester interview.

RESULTS - Sensitivity and specificity for recall of NSAID exposure were 78.6% and 62.3%, respectively (kappa statistic: 0.41), with 72.3% agreement for exposure classification. Sensitivity and specificity for recall of SSRI exposure were 77.8% and 99.0%, respectively (kappa statistic: 0.79), with 97.8% agreement.

CONCLUSIONS - Our findings suggest the validity of maternal recall varies with medication type and prospective data collection should be prioritized when studying early pregnancy drug exposures.

Copyright © 2016 Elsevier Inc. All rights reserved.

MeSH Terms (21)

Adolescent Adult Anti-Inflammatory Agents, Non-Steroidal Data Collection Female Humans Interviews as Topic Maternal Exposure Mental Recall Middle Aged Nonprescription Drugs North Carolina Pregnancy Pregnancy Complications Pregnancy Trimester, First Prescription Drugs Prospective Studies Sensitivity and Specificity Tennessee Texas Young Adult

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