Predictors of physical activity following gestational diabetes: Application of health action process approach.
Banafsheh Mohammadi Zeidi, Nourossadat Kariman, Zahra Kashi and 2 others
PMID 32587725WHAT IT FOUND
Women with past gestational diabetes were mostly inactive; only 16.7% reported moderate to high activity.
Their confidence, action plans, coping plans and confidence after setbacks were linked to activity, while perceived future diabetes risk alone was not.
Key findings
01Only 16.7% of women reported moderate- to high-intensity physical activity after gestational diabetes.
02Action self-efficacy had the strongest significant correlation with intention (r = .558), while risk perception and outcome expectancies were not significant predictors of intention in the model.
03Coping planning had the strongest correlation with physical activity (r = .589) and was significantly associated with physical activity in the model (β = .31, p = .001).
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Physical activity was self-reported, so it may not reflect what the women actually did. The design was cross-sectional, so it can show associations but cannot prove that changing self-efficacy or planning causes more activity. Most participants were housewives and had BMI >25, and all were recruited from healthcare centres in one Iranian province, so the findings may not apply to other groups or settings. The model explained 35% of variance in physical activity, so many influences on activity were not captured. The HAPA questionnaire was researcher-made, although content validity, face validity and reliability were checked.
The easy way to misread this
Do not conclude that raising self-efficacy or coping planning will increase physical activity after gestational diabetes. The study measured associations at one time, so it cannot show that changing these factors causes behaviour change.