Evaluation of the Mediating Role of Physical Activity Self-efficacy in the Relationship Between Knowledge, Social Support, and Physical Activity in Pregnant Women with a High Risk for Gestational Diabetes

Overview

Journal BMC Pregnancy Childbirth

Publisher Biomed Central

Specialty Gynecology & Obstetrics

Date 2024 Dec 23

PMID 39716107

Authors

Lu Chen

Rong-Rong Han

Xin Chen

Bai-Ling Fu

Bernice O C Lam Nogueira

Ling-Ling Gao

Affiliations

Soon will be listed here.

Abstract

Objective: This study aimed to examine the associations between knowledge, social support, and physical activity and explore the mediating role of physical activity self-efficacy in pregnant women with a high risk for gestational diabetes mellitus (GDM).

Methods: A cross-sectional study was conducted in Guangzhou, China, from July 2022 to May 2023. Five hundred thirty-seven pregnant women with a high risk for GDM completed the Pregnancy Physical Activity Questionnaire, Pregnancy Physical Activity Self-Efficacy Scale, Pregnancy Physical Activity Knowledge Scale, Physical Activity Social Support Scale, and a socio-demographic data sheet. The mediation effect was tested using structural equation modeling (SEM) and the bootstrap method.

Results: 42.5% of pregnant women did not meet the current physical activity guidelines. Physical activity self-efficacy (β, 0.16; P<0.001), knowledge (β, 0.15; P = 0.001), social support (β, 0.10; P = 0.019), education, and type of conception were predictors of physical activity. The SEM results found that physical activity self-efficacy mediated the association between physical activity and knowledge (β, 0.24; 95% CI, 0.17 to 0.32) and social support (β, 0.30; 95% CI, 0.20 to 0.39). The data fit of the model (RMSEA = 0.067, CFI = 0.851, TLI = 0.828, χ/df = 3.440) was acceptable.

Conclusion: This study found that the prevalence of being physically inactive was high in pregnant women with a high risk for GDM. The present study's findings suggested that healthcare providers should try to enhance physical activity self-efficacy, knowledge, and social support of pregnant women with a high risk for GDM to improve their physical activity with a focus on physical activity self-efficacy.

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