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Perinatal Depression Screening May Miss Suicidal Thoughts

A new study of 736 low-income pregnant women in Illinois finds that more than one-third of those who reported having thoughts of self-harm in a commonly used health questionnaire did not have elevated levels of depression.

“One would think that having suicidal thoughts would be associated with depression, but for a large proportion of the women in our sample that wasn’t the case,” said University of Illinois social work professor Dr. Karen M. Tabb, the study’s lead author.

“Not all women who report suicidal ideation are going to meet the threshold for depression.”

Women in the study were assessed for depressive symptoms using the Edinburgh Postnatal Depression Scale, a 10-item questionnaire. Under a state mandate enacted in 2008, the Postpartum Mood Disorders Prevention Act, primary care doctors, obstetricians, pediatricians and other front-line clinicians in Illinois use the Edinburgh scale to screen women for perinatal depression during pregnancy and after delivery.

The study participants completed at least one depression screening in English or in Spanish at clinics run by the Champaign-Urbana Public Health District, which serves about 2,300 pregnant and postpartum women each month.

All of the women were enrolled in the Women, Infants and Children Special Supplemental Nutrition Program, which serves nearly half of all pregnant women in the U.S. To be eligible for WIC benefits, women must have incomes less than 185% of the federal poverty level and be pregnant or have children under age 5.

According to the study, about 4.6% of women in the sample reported suicidal thoughts. The prevalence of suicidal thoughts among the Illinois women was higher than that reported by two previous studies, which found prenatal suicidal ideation rates of 2.7% and 3.8% in samples that included both low- and high-income women.

One possible reason for the higher rates among the Illinois women could be related to the state mandate, which requires universal screening of all pregnant women as opposed to selective screening of only women in distress, say the researchers.

For every 1-point increase in women’s depression scores on the questionnaire, the odds of reporting suicidal thoughts rose by 39%.

When the researchers adjusted for risk factors such as smoking status, age, education and income, patients’ odds of reporting suicidal ideation increased by 43% for every 1-point increase in their depression score.

Still, 35% of women with suicidal thoughts did not have scores on the depression questionnaire that warranted concern. In other words, many women who are struggling with suicidal thoughts could be overlooked if they are not evaluated for suicidal ideation as well as depressive symptoms, the researchers said.

Suicidal ideation is a significant risk factor and often a precursor for suicide attempts. Therefore, it is vital that thorough mental health evaluations be performed during routine clinic visits, the researchers wrote.

“Based on our findings, we suggest that practitioners should consider using instruments that screen for suicidal ideation as well as for depression to identify women who need mental health referrals and follow-up,” Tabb said.

Currently, the research team is developing a perinatal depression registry, a database that tracks women’s depression symptoms, adverse birth outcomes, health conditions and known risk factors such as obesity and smoking.

The registry will enable the researchers to evaluate the incidence of perinatal depression and suicidality among low-income populations and measure the strength of various risk factors over time.

Management of patients with suicidal ideation is as important as detection, and the registry will allow case managers and other clinicians to jointly monitor their patients, Tabb said.

“Our study adds to a growing body of evidence that calls for collaborative treatment models, patient-centered teams led by behavioral care case managers who work with consulting psychiatrists and use depression registries to track patients’ symptoms and care to ensure that no one fall through the cracks,” Tabb said.

The findings are published in the Journal of Affective Disorders.

Source: University of Illinois at Urbana-Champaign, New Bureau

Perinatal Depression Screening May Miss Suicidal Thoughts

Traci Pedersen

Traci Pedersen is a professional writer with over a decade of experience. Her work consists of writing for both print and online publishers in a variety of genres including science chapter books, college and career articles, and elementary school curriculum.

APA Reference
Pedersen, T. (2019). Perinatal Depression Screening May Miss Suicidal Thoughts. Psych Central. Retrieved on August 19, 2019, from https://psychcentral.com/news/2019/07/18/perinatal-depression-screening-may-miss-suicidal-thoughts/148696.html
Scientifically Reviewed
Last updated: 18 Jul 2019
Last reviewed: By a member of our scientific advisory board on 18 Jul 2019
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