Type 2 & other diabetes

Leisure-Time Physical Activity and Risk of Microvascular Complications in Individuals With Type 2 Diabetes: A UK Biobank Study

Diabetes CarePublished Prospective cohort study

Authors' conclusion

Any level of leisure-time physical activity was associated with a lower risk of neuropathy and nephropathy but not retinopathy in individuals with type 2 diabetes. For both neuropathy and nephropathy, the minimal effective physical activity level may correspond to <1.5 h of walking per week.

Study context

Population
Individuals with T2D from the UK Biobank
Participants
18,092 individuals
Exposure
Leisure-time physical activity categories vs no physical activity
Outcome
Incident neuropathy, nephropathy and retinopathy (hospital inpatient diagnosis codes)
Follow-up
Median 12.1 years
Methodological detailsUK Biobank, dose-response analysis, restricted cubic splines
  • UK Biobank
  • Dose-response analysis
  • Restricted cubic splines

Main finding

As reported in the abstract

Neuropathy
Each group vs no physical activityAdjusted hazard ratio (95% CI)
Below recommendations
0.71(0.53–0.90)
At recommendations
0.73(0.56–0.96)
Above recommendations
0.67(0.52–0.87)
Diagnosed with neuropathy
672 (3.7%)

Observational data: associations, not effects.

Further findings

OutcomeaHR (CI)
Incident nephropathy · median follow-up 12.1 yearsBelow recommendationsvs No physical activity0.79 (0.68–0.92)
Incident nephropathy · median follow-up 12.1 yearsAt recommendationsvs No physical activity0.80 (0.67–0.95)
Incident nephropathy · median follow-up 12.1 yearsAbove recommendationsvs No physical activity0.80 (0.68–0.95)
Incident nephropathy — Diagnosed with nephropathy
1,839 (10.2%)

Incident retinopathy · median follow-up 12.1 years

Diagnosed with retinopathy
2,099 (11.7%)
Any level of physical activity was not associated with a lower risk of retinopathy; association weaker

Original publication

Leisure-Time Physical Activity and Risk of Microvascular Complications in Individuals With Type 2 Diabetes: A UK Biobank Study. Diabetes Care. Published 7 August 2023. doi:10.2337/dc23-0937

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