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Is success in weight loss treatment contagious (do attendance and outcomes cluster within treatment groups)?
Simon, Gregory E; Rohde, Paul; Ludman, Evette J; Jeffery, Robert W; Linde, Jennifer A; Operskalski, Belinda H; Arterburn, David; Finch, Emily A.
Afiliación
  • Simon GE; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States. Electronic address:simon.g@ghc.org.
  • Rohde P; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
  • Ludman EJ; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
  • Jeffery RW; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
  • Linde JA; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
  • Operskalski BH; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
  • Arterburn D; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
  • Finch EA; Division of Epidemiology and Community Health, School of Public Health, Univ. of Minnesota, Minneapolis, MN, United States.
Obes Res Clin Pract ; 4(4): e247-342, 2010.
Article en En | MEDLINE | ID: mdl-24345694
SUMMARY: Data from a trial of a 26-session structured group behavioral weight loss intervention were used to examine how group attendance, weight loss, and changes in depression clustered within therapy groups. Participants were recruited via a population-based survey of female health plan members aged 40-65. The sample included 143 women attending 13 therapy groups. Average number of sessions attended was 15.9 (S.D. 7.2) and average weight loss over 12 months was 4.24 kg (S.D. 7.79 kg). In hierarchical (random effects) linear models predicting attendance and weight loss, attendance did cluster significantly within therapy groups (F = 2.83, df = 12, p = .002; ICC = .14) but weight loss (F = 0.89, df = 12, p = .56; ICC = .00) and change in depressive symptoms (F = 0.25, df = 12, p = .99; ICC = .00) did not. Accounting for baseline characteristics of group participants had no significant effect on these findings. Relatively small average weight loss in this sample may have limited our ability to detect clustering of weight loss within groups. We conclude that clinicians should consider addressing the effects of drop-out on other group members and that researchers should consider the impact of clustering in analyses of data regarding group treatments.:
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies / Qualitative_research Idioma: En Revista: Obes Res Clin Pract Año: 2010 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies / Qualitative_research Idioma: En Revista: Obes Res Clin Pract Año: 2010 Tipo del documento: Article Pais de publicación: Países Bajos