Research

Adherence

A diabetes self-management intervention combining personalized health feedback with financial incentives (discount vouchers) significantly reduces waist circumference in both men and women, but improves HbA1c only in men.

For rural patients with Type 2 Diabetes, combining regular health feedback with small, tangible rewards (like local store discounts) can effectively reduce waist size for both men and women. However, men may respond better to the competitive aspect of tracking HbA1c, while women may be motivated by the vouchers but struggle with the 'genetic inevitability' mindset. Tailoring the feedback method (mail vs. face-to-face) to individual comfort levels is crucial for adherence.

ModerateQualifiesMEDIUM confidence
Both males and females in the intervention group demonstrated a significant reduction in waist circumference, whereas the control group had a non-significant increase in waist circumference. For HbA1c males in the intervention group experienced an average decline of 0.20... compared to an average increase of 0.23... in the control group. For women the opposite occurred, with the intervention women exhibiting an average increase of 0.24... and the controls an average reduction of 0.12.
Bronwen Jane Griffiths BA et al. · Journal of Health Education Research & Development · 2015

Why this rating

Small sample size (n=122 completers), short duration (12 months), and mixed gender results limit generalizability.

Source

The Green Card Pilot: A Randomized Controlled Trial of an Education/Reward Intervention to Aid Diabetes Self-management

Bronwen Jane Griffiths BA et al. · Journal of Health Education Research & Development · 2015

DOI 10.4172/2380-5439.1000140

rct · n=138Cited 1×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

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