The Effect of City-Level Sugar-Sweetened Beverage Taxes on Longitudinal HbA1c and Incident Diabetes in Adults With Prediabetes
Main finding · Longitudinal mean HbA1cResult — go to the resultAdjusted difference 0.007 % 95% CI 0.002–0.011Authors' conclusion
We found no clinically significant association between SSB taxes and either longitudinal mean HbA1c or incident diabetes among adults with prediabetes in the 4 years following SSB tax implementation.
Study context
- Population
- Adults with prediabetes, Kaiser Permanente in California; outcomes 6 years prior and 4 years following SSB tax implementationmatched cohort
- Participants
- 68,658 adults
- Exposure
- Living in SSB excise tax cities vs control cities
- Outcome
- Mean HbA1c levels and rates of incident diabetes
- Follow-up
- 4 years following SSB tax implementation
Methodological detailslongitudinal, multivariable linear mixed effects models, discrete-time survival models
- Longitudinal
- Multivariable linear mixed effects models
- Discrete-time survival models
Main finding
Longitudinal mean HbA1c
Adjusted difference
0.007 %
95% CI 0.002–0.011
Tax citiesvs Control
adjusted difference 0.007 % (95% CI 0.002–0.011)
As reported in the abstract
Observational data: associations, not effects.
Further findings
- No significant difference in risk of incident diabetes between tax and control cities
Original publication
The Effect of City-Level Sugar-Sweetened Beverage Taxes on Longitudinal HbA1c and Incident Diabetes in Adults With Prediabetes. Diabetes Care. Published 16 May 2024. doi:10.
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