Vegetable, but Not Potato, Intake Is Associated With a Lower Risk of Type 2 Diabetes in the Danish Diet, Cancer and Health Cohort
Main finding · Incident T2D, total vegetable intakeResult — go to the resultLower risk 21% 95% CI 16–26%Authors' conclusion
The findings provide evidence that a higher vegetable, but not potato, intake might help mitigate T2D risk, partly by reducing BMI.
Study context
- Population
- Participants of the Danish Diet, Cancer and Health cohort7,695 T2D cases
- Participants
- 54,793 participants
- Exposure
- Highest vs lowest quintile of total vegetable intake
- Outcome
- Incident T2D
- Follow-up
- Median 16.3 years
Methodological detailsmultivariable-adjusted Cox proportional hazards models, mediation analysis (natural direct and indirect effects)
- Multivariable-adjusted Cox proportional hazards models
- Mediation analysis (natural direct and indirect effects)
Main finding
Incident T2D, total vegetable intake
Lower risk
21%
95% CI 16–26%
As reported in the abstract
Observational data: associations, not effects.
Further findings
| Outcome | Higher risk (95% CI) | |
|---|---|---|
| Incident T2D, potato intake (highest median 256 vs lowest median 52 g/day)Higher risk with highest quintile; multivariable-adjusted | 9% (2–16%) | |
| −1001020Change in risk, % (linear scale) |
| Outcome | Difference (kg/m²) (95% CI) |
|---|---|
| Baseline BMI, total vegetable intake (cross-sectional)Lower BMI with highest quintile; multivariable-adjusted | 0.35 (−0.46 to −0.24) |
Mediation by baseline BMI of vegetable–T2D association
- Proportion mediated by baseline BMI
- ∼21%
Incident T2D, potato intake (highest median 256 vs lowest median 52 g/day)
- No association after accounting for underlying dietary pattern
Incident T2D, vegetable subclasses
- Higher intake of green leafy and cruciferous vegetables associated with statistically significantly lower T2D risk
Original publication
Vegetable, but Not Potato, Intake Is Associated With a Lower Risk of Type 2 Diabetes in the Danish Diet, Cancer and Health Cohort. Diabetes Care. Published 5 December 2022. doi:10.
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