Wolever 1992.
Methods | Trial Design: RCT Randomisation procedure: not reported, crossover design Allocation concealment: not reported Blinding of outcome assessors: not reported Intention to treat analysis: yes | |
Participants | Country: Canada Setting: community Number: 6 in crossover study Age: 63 ± 4 years Sex: 3 male, 3 female Inclusion criteria: NIDDM plus obese/overweight Other characteristics: BMI 32.1 ± 2.4kg/m2 | |
Interventions | Trial intervention: low glycaemic index diet GI= 58, comparison intervention: high glycaemic index diet GI=86 Duration of study: 6 weeks. 4 to 6 week washout period in between diets. | |
Outcomes | Main outcome measures: fructosamine, body weight, lipids | |
Notes | Source of funding: Canadian Diabetes Association, Bristol Myers Company, NY Drop‐outs: 2 subjects were sampled one week early for the final analysis for both diets. | |
Risk of bias | ||
Bias | Authors' judgement | Support for judgement |
Allocation concealment? | Unclear risk | B ‐ Unclear |
GI = glycaemic index RCT= randomised controlled trial BMI = Body Mass Index NIDDM = non‐insulin dependent diabetes mellitus CHOx = Measured carbohydrate exchange %HbA1c = percentage glycated haemoglobin