Background: The link between oral contraceptive pill (OCP) and depression is still unclear. This work analyses the prevalence and correlates of major depression in US women using OCP.
Methods: This study used the National Health and Nutrition Examination Survey (NHANES) 2005-2012 data to provide the prevalence and correlates of major depression in women using OCP. Major depression was defined as a score of ≥10 using the Patient Health Questionnaire-9 (PHQ-9).
Results: A total of 6239 women aged 18-55 years were included in the present analysis. Current OCP users had a lower prevalence of major depression (4.6 %; 95 % CI, 3.2 to 6.6) compared to former users of OCP (11.4 %; 95 % CI, 10.1 to 12.9) and never users of OCP (10 %; 95 % CI, 8.3 to 12.1). Current users of OCP were significantly less likely to report major depression compared to former users of OCP (OR 0.59; 95CI%, 0.39 to 0.90) after adjusting for potential confounders. The prevalence of major depression was higher in women who were: black or Hispanic, widowed/divorced/separated, those with a low and middle income, current smokers, current users of antidepressants, and with history of cancer and thyroid problems.
Limitations: This is a cross-sectional study.
Conclusion: The prevalence of major depression among women using OCP may be lower than in former users of OCP, however, the burden of depression remains high. Further research with longitudinal follow-up for depression in women using OCP is needed to understand real world effect of the OCP on depression.
Keywords: Depression; NHANES; Oral contraceptive pill.
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