Public health · 2026
A cluster-randomised controlled trial evaluating the effects of a blended care intervention in pregnancy and postpartum on weight, health behaviour, and mental health in women with low socio-economic status.
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Boehlke E, Vogel L, Opitz A, Versele V, Deliens T, Löchner J, Liel C, Lux U, Henning C, Schoemann N, Seiferth C, Wolstein J, van Poppel M N M
Аннотация
OBJECTIVES: Pregnancy and the early postpartum period are key for maternal health, with excessive weight gain posing long-term risks. Women with low socio-economic status (SES) are at increased risk, but this group is often not reached. Mobile Health (mHealth) solutions, combined with face-to-face counselling, might better reach such a vulnerable population. The I-PREGNO study evaluated a blended care intervention to improve health behaviours and mental health in women with low SES during the perinatal period.
STUDY DESIGN: This two-arm, cluster-randomised controlled trial included an intervention group (mHealth and face-to-face counselling by midwives; n = 32) and a control group (treatment as usual; n = 48). Midwives were randomised to either arm, and recruited pregnant women with low SES. The intervention lasted from 18 to 22 weeks of pregnancy to 8 weeks postpartum.
METHODS: The main outcome was maternal body mass index (BMI), and secondary outcomes included dietary behaviour, physical activity (PA), and psychological factors. All were assessed at baseline, post-intervention, and three-month follow-up. Intervention effects were evaluated with linear regression.
RESULTS: No effects were observed on BMI or PA. Compared to the control group, the intervention led to short-term improvements in vegetable, meat and snack consumption, however, these effects were not maintained at follow-up. The intervention also improved self-efficacy post-intervention and at follow-up, and decreased emotional eating and parenting stress at follow-up.
CONCLUSIONS: A blended care intervention enhanced psychological competencies and short-term dietary behaviours in women with low SES. Limited long-term effects and recruitment challenges highlight the need for further research.
STUDY DESIGN: This two-arm, cluster-randomised controlled trial included an intervention group (mHealth and face-to-face counselling by midwives; n = 32) and a control group (treatment as usual; n = 48). Midwives were randomised to either arm, and recruited pregnant women with low SES. The intervention lasted from 18 to 22 weeks of pregnancy to 8 weeks postpartum.
METHODS: The main outcome was maternal body mass index (BMI), and secondary outcomes included dietary behaviour, physical activity (PA), and psychological factors. All were assessed at baseline, post-intervention, and three-month follow-up. Intervention effects were evaluated with linear regression.
RESULTS: No effects were observed on BMI or PA. Compared to the control group, the intervention led to short-term improvements in vegetable, meat and snack consumption, however, these effects were not maintained at follow-up. The intervention also improved self-efficacy post-intervention and at follow-up, and decreased emotional eating and parenting stress at follow-up.
CONCLUSIONS: A blended care intervention enhanced psychological competencies and short-term dietary behaviours in women with low SES. Limited long-term effects and recruitment challenges highlight the need for further research.