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Published in: Archives of Public Health 1/2017

Open Access 01-12-2017 | Research

Reliability of self-report measures of correlates of obesity-related behaviours in Hong Kong adolescents for the iHealt(H) and IPEN adolescent studies

Authors: Ester Cerin, Cindy H. P. Sit, Anthony Barnett, Wendy Y. J. Huang, Gemma Y. Gao, Stephen H. S. Wong, James F. Sallis

Published in: Archives of Public Health | Issue 1/2017

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Abstract

Background

This study examined the reliability of measures of correlates of dietary behaviours (DBs), physical activity (PA) and sedentary behaviour (SB) for Hong Kong adolescents.

Method

Individual, social and environmental correlates of obesity-related behaviours were assessed twice, 15–27 days apart (average 20 days), via self-administered questionnaires. These questionnaire included measures of decisional balance, self-efficacy, enjoyment and social support related to intake of fruits, vegetables, high-fat foods and sugar-sweetened beverages, PA behaviour and SB. They also included measures of perceived barriers to PA, parental rules related to PA and SB, and environmental correlates of DB, PA and SB. The questionnaires were self-completed outside school hours. A sample of 119 12–17 year old Chinese-speaking secondary school students (60 girls; 59 boys) were recruited from four Hong Kong schools located in areas stratified by walkability and socio-economic status.

Results

The test-retest reliability of the examined measures ranged from poor to excellent (ICC: 0.30–0.99). All measures of correlates of PA and SB had excellent or substantial test-retest reliability, with the exception of self-efficacy for reducing SB (ICC: 0.59). Four of 18 measures of DBs showed moderate, and two poor (ICC < 0.41), test-retest reliability. Evidence of unidimensionality (Cronbach’s α ≥ 0.70) was found for 10 of 28 multi-item scales. The evidence for the remaining 18 was either questionable or poor.

Conclusions

Most of the self-report measures of correlates of obesity-related behaviours used in the iHealt(H) study have acceptable test-retest reliability in Hong Kong adolescents. The factorial structure of several scales needs to be investigated in a larger sample.
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Metadata
Title
Reliability of self-report measures of correlates of obesity-related behaviours in Hong Kong adolescents for the iHealt(H) and IPEN adolescent studies
Authors
Ester Cerin
Cindy H. P. Sit
Anthony Barnett
Wendy Y. J. Huang
Gemma Y. Gao
Stephen H. S. Wong
James F. Sallis
Publication date
01-12-2017
Publisher
BioMed Central
Published in
Archives of Public Health / Issue 1/2017
Electronic ISSN: 2049-3258
DOI
https://doi.org/10.1186/s13690-017-0209-5

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