Associations of Vegetable and Potato Intakes With Markers of Type 2 Diabetes Risk in the AusDiab Cohort
Authors' conclusion
A higher intake of vegetables, particularly green leafy vegetables, may improve while consuming potato fries/chips, but not potatoes prepared in a healthy way, may worsen glucose tolerance and insulin sensitivity. Our findings suggest a nuanced relationship between vegetable subgroups and their impact on glucose tolerance.
Study context
- Population
- Australian adults in the Australian Diabetes, Obesity and Lifestyle Study (AusDiab); median age 52 years, median vegetable intake 132 g/day
- Participants
- 8,009 adults
- Exposure
- Vegetable, vegetable subgroup and potato intakes
- Outcome
- Markers of T2D at baseline (FPG, 2-hour PLG, HOMA2-%β, HOMA2-%S, fasting insulin) and cumulative incident T2D
- Follow-up
- 12-year follow-up
Main finding
As reported in the abstract
Markers of T2D at baseline
- Higher intake of total vegetable, green leafy, yellow/orange/red, and moderate intakes of cruciferous vegetables associated with lower plasma glucose (PLG)
- Higher green leafy vegetable intake associated with lower HOMA2-%β and serum insulin
- Higher potato fries/chips intakes associated with higher fasting plasma glucose (FPG), HOMA2-%β, serum insulin, and lower HOMA2-%S
Observational data: associations, not effects.
Further findings
Incident T2D · 12 years of follow-up
- Moderate cruciferous vegetable intake: lower risk of T2D
- 25%
Original publication
Associations of Vegetable and Potato Intakes With Markers of Type 2 Diabetes Risk in the AusDiab Cohort. J Clin Endocrinol Metab. Published 15 May 2024. doi:10.
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