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Evaluation of the French version of the 4-item index of the Acne-QoL (AcneQ4fr)

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Abstract

Background

The 4-item index of the 19-item Acne-Quality of Life (Acne-QoL) has been validated in English (AcneQ4). French translation and linguistic validation of the Acne-QoL have recently been completed (Acne-QoLfr).

Purpose

This study sought to evaluate reliability and responsivity of the French version of the AcneQ4 (AcneQ4fr).

Methods

Calculation of intraclass correlation coefficients (ICC) and regression modeling was performed to evaluate reliability (comparing Day 0 to Day 2–3 responses) and responsivity (comparing Day 0 to Day 60+ responses).

Results

Thirty-four native French-speaking acne subjects in Quebec, Canada (n = 20) and France (n = 14) completed the Acne-QoLfr on 3 occasions over 3 months (Day 0, Day 2–3, and Day 60+). Of 14 completed responses for Day 0 and Day 2–3, ICC for AcneQ4fr was 0.73 (with 95 % confidence interval (0.348, 0.905) and P value 0.001), and mean score difference was 0.85 (range of possible scores for AcneQ4fr: 0–24; P = 0.41). Of 19 completed responses for Day 0 and Day 60+, ICC for Acne-Q4fr was 0.45 (with 95 % confidence interval (0.046, 0.728) and P value 0.015) and mean score difference was 4.14 (P = 0.001).

Conclusions

The abbreviated AcneQ4fr is somewhat reflective of the entire Acne-QoLfr and by its brevity may facilitate psychometric evaluation of francophone acne patients in routine practice.

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Fig. 1
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Abbreviations

ICC:

Intraclass correlation coefficient

Acne-QoL:

Acne-Quality of Life

Acne-QoLfr:

French translation of Acne-QoL

AcneQ4:

4-item index Acne-QoL

AcneQ4fr:

French version of the AcneQ4

References

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Conflict of interest

Dr. Tan is an advisory board member, speaker, consultant, and/or investigator for Berlex, Bayer, Cipher, Dermik, Galderma, Photocure, and Stiefel/GSK. Dr. Poulin has been an investigator for Photocure and Galderma. Dr. Dreno is an advisory board member, speaker, consultant, and/or investigator for Galderma, Roche Posay, Intendis, Fabre, Labcatal. Ms. O’Toole and Mr. Zhang have no conflicts to declare.

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Authors and Affiliations

  1. Department of Medicine, University of Western Ontario, London, ON, Canada

    Jerry Tan

  2. Windsor Clinical Research Inc., 300-2224 Walker Road, Windsor, ON, N8W 5L7, Canada

    Jerry Tan

  3. Faculty of Health Sciences (Medicine), McMaster University, Hamilton, ON, Canada

    Ashley O’Toole

  4. Department of Mathematics and Statistics, University of Windsor, Windsor, ON, Canada

    Xuemao Zhang

  5. Dermato-Oncology Unit, CHU Nantes, Place Alexis Ricordeau, Nantes, France

    Brigitte Dreno

  6. Department of Medicine, Laval University and Centre de Recherche, Dermatologique du Quebec metropolitan, Quebec City, QC, Canada

    Yves Poulin

Authors
  1. Jerry Tan
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  2. Ashley O’Toole
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  3. Xuemao Zhang
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  4. Brigitte Dreno
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  5. Yves Poulin
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Corresponding author

Correspondence to Jerry Tan.

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Tan, J., O’Toole, A., Zhang, X. et al. Evaluation of the French version of the 4-item index of the Acne-QoL (AcneQ4fr). Qual Life Res 22, 547–549 (2013). https://doi.org/10.1007/s11136-012-0186-7

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  • DOI: https://doi.org/10.1007/s11136-012-0186-7

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