Meta-analysis will be undertaken using random-effects models, and generic inverse variance analysis for adjusted effect estimates.
Sampling was undertaken using random digit dialling, by a social research organisation with extensive experience in epidemiological and population studies.
Trial entry and randomisation: Allocation to intervention will be undertaken using a telephone randomisation service (computer-generated random number sequence generation, with balanced variable blocks, and stratification by insulin requirement).
Analysis will be undertaken using SPSS.
Computations will be undertaken using SPSS and Microsoft Excel [ 83- 85].
Statistical analyses will be undertaken using STATA/SAS.
To obtain new insights into the key variables effecting critical velocity, a sensitivity analysis is undertaken using 1000 random soil profiles.
In order to examine the risk of gastric cancer associated with GSTM1 null genotype, a meta-analysis of published case control studies was undertaken using a random effect model.
A meta-analysis was undertaken using a random effects model to investigate the association between diabetes and breast cancer risk.
When appropriate, meta-analyses were undertaken using a random-effects model to calculate pooled estimates and their 95% CIs.
Randomization had been undertaken using computer-generated random numbers.
