title: Predicting Treatment Time and Long-Term Outcome of the Lidcombe Program: A Replication and Reanalysis.
abstract: OBJECTIVE
  The present study presents treatment duration and outcome data on 14 children who stutter (CWS) recently treated by the Lidcombe Program (LP). These data were then combined with data from a previous LP treatment study (Miller & Guitar, 2009) to examine predictor variables for treatment duration and outcome. The present study also provides evidence of the effectiveness of LP from researchers who are independent of the developers of the program.
  
  
  METHODS
  Fourteen preschool CWS were assessed on stuttering severity variables and participant characteristics prior to treatment, given LP treatment, and reassessed 2 years after the children achieved stable fluency. These children's data were added to the data of 15 previously treated CWS to examine predictors of treatment duration and long-term outcome. Preliminary analysis lead to the identification of two predictors that were tested in a generalized linear model.
  
  
  RESULTS
  For the new group of 14 CWS, median treatment duration was 15 clinic visits and resulted in near-zero stuttering long term for most of the children and substantial reductions in stuttering for all of the children. For the combined group of 29 children, pretreatment stuttering frequency and severity were the best predictors of treatment duration in both clinic visits and weeks.
  
  
  CONCLUSIONS
  Children with more frequent and more severe stuttering may take longer in LP treatment. Long-term outcome may best be predicted by pretreatment stuttering and sex.
authors.forename: Barry
authors.initials: B
authors.lastname: Guitar
authors.forename: Danra
authors.initials: D
authors.lastname: Kazenski
authors.forename: Alan
authors.initials: A
authors.lastname: Howard
authors.forename: S Freddie
authors.initials: SF
authors.lastname: Cousins
authors.forename: Elena
authors.initials: E
authors.lastname: Fader
authors.forename: Piper
authors.initials: P
authors.lastname: Haskell
mesh_terms: D002675:Child, Preschool; D018479:Early Intervention, Educational; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D010043:Outcome and Process Assessment, Health Care; D013068:Speech Production Measurement; D013342:Stuttering / Q000175:diagnosis / Q000628:therapy*; D013997:Time Factors