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Background: Physical activity could decrease the odds of pregnant women at high risk for gestational diabetes mellitus (GDM) developing GDM. Physical activity self-efficacy was the key predictor of physical activity. This study aimed to examine physical activity self-efficacy and identify its predictors among pregnant women at high risk for GDM in mainland China.

Methods: A cross-sectional study was conducted in Zhengzhou, China, from October 2021 to February 2022. Two hundred fifty-two pregnant women at high risk for GDM completed the Pregnancy Physical Activity Self-efficacy Scale, the Social Support for Physical Activity Scale, the Knowledge of Physical Activity Questionnaire, the 7-item Generalized Anxiety Disorder Scale, the Edinburgh Postnatal Depression Scale, and a socio-demographic data sheet. Multiple linear regression was used.

Results: Chinese pregnant women at high risk for GDM reported a moderate level of physical activity self-efficacy. The best-fit regression analysis revealed four predictors. Social support for physical activity was the strongest predictor, followed by knowledge of physical activity, intention to do physical activity, and anxiety symptoms.

Conclusion: The study found that Chinese pregnant women at high risk for GDM had a moderate level of physical activity self-efficacy, which had 4 predictors. Healthcare professionals should make efforts to enhance pregnant women's social support, knowledge, and intention to do physical activity and decrease their anxiety symptoms to improve their physical activity self-efficacy.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11625193PMC
http://dx.doi.org/10.2147/JMDH.S489118DOI Listing

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