Associations between hormonal contraception use, sociodemographic factors and mental health: a nationwide, register-based, matched case–control study

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Toffol , E , But , A , Heikinheimo , O , Latvala , A , Partonen , T & Haukka , J 2020 , ' Associations between hormonal contraception use, sociodemographic factors and mental health: a nationwide, register-based, matched case–control study ' , BMJ Open , vol. 10 , no. 10 , 040072 . https://doi.org/10.1136/bmjopen-2020-040072

Title: Associations between hormonal contraception use, sociodemographic factors and mental health: a nationwide, register-based, matched case–control study
Author: Toffol, Elena; But, Anna; Heikinheimo, Oskari; Latvala, Antti; Partonen, Timo; Haukka, Jari
Contributor: University of Helsinki, Clinicum
University of Helsinki, Department of Public Health
University of Helsinki, HUS Gynecology and Obstetrics
University of Helsinki, Institute of Criminology and Legal Policy
University of Helsinki, Department of Public Health
Date: 2020-10
Language: eng
Number of pages: 11
Belongs to series: BMJ Open
ISSN: 2044-6055
URI: http://hdl.handle.net/10138/321933
Abstract: Objectives Sociodemographic and mental health characteristics are associated with contraceptive choices. We aimed to describe the sociodemographic, reproductive and mental health characteristics of all fertile-aged women in Finland who used hormonal contraception (HC) in 2017. Design A nationwide, register-based study. Setting All women living in Finland in 2017; data from the Care Register of Health Care, Medical Birth Register, Population Register Centre, Prescription Centre, Register of Induced Abortions. Participants All women aged 15-49 with one redeemed HC prescription in 2017 (n=294 356), and a same-sized, age-matched and residence-matched, control group of non-users. Outcomes Rates of HC use; associations between HC use and mental disorders, sociodemographic and reproductive characteristics. Results 25.8% of women aged 15-49 years used HC. Women with the lowest socioeconomic levels had lower odds of using HC than women with upper-level statuses (OR, 95% CI students: 0.97, 0.94 to 0.99; entitled to pension: 0.66, 0.63 to 0.69; other: 0.87, 0.85 to 0.89; unknown: 0.90, 0.85 to 0.90). Women with the highest education (secondary: 1.46, 1.43 to 1.48; tertiary: 1.64, 1.58 to 1.70; academic: 1.60, 1.56 to 1.63) and income (second quarter: 1.57, 1.54 to 1.60; third quarter: 1.85, 1.82 to 1.89; fourth quarter: 2.01, 1.97 to 2.06), and unmarried women had higher odds of using HC than women with the lowest education and income levels, and married (0.61, 0.60 to 0.62), divorced (0.86, 0.84 to 0.88), widowed (0.73, 0.65 to 0.83) or other marital status women (0.26, 0.22 to 0.30). Parous women (0.70, 0.69 to 0.71), those with previous induced abortion(s) (0.91, 0.89 to 0.92) or recent eating (0.68, 0.62 to 0.75) or personality (0.89, 0.79 to 0.97) disorders had lower odds of HC use. Absolute risk differences between women with and without mental disorders ranged from 3.1% (anxiety disorders) to 10.1% (eating disorders). Conclusions A quarter of the fertile-aged women use HC in Finland. Sociodemographic disparities persist in relation to HC use, although of small effect size. HC use is less common among women suffering from severe to moderate psychiatric disorders, especially eating disorders.
Subject: 3142 Public health care science, environmental and occupational health
women, hormonal contraception
reproductive medicine
eating disorders
public health
FAMILY-PLANNING NEEDS
UNINTENDED PREGNANCY
WOMEN
RISK
DISORDERS
NONUSE
BIRTH
DEPRESSION
FERTILITY
SYMPTOMS
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