Table 2

Risk of bias in the development studies

Cameron et al19Kraaijvanger et al24Lucke et al25Noel et al22Zlotnik et al23
Participant selectionLLLLL
Predictor assessmentLLLML
Outcome assessmentLLLLL
Model developmentLMLMM
AnalysisLLLML
  • L, low risk of bias; M, moderate risk of bias.