Test-retest reliability of IPAQ environmental- module in an African population
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BioMed Central
Open Access
Research
Test-retest reliability of IPAQ environmental- module in an African population Adewale L Oyeyemi*1, Babatunde OA Adegoke1, Adetoyeje Y Oyeyemi2 and Bukola M Fatudimu1 Address: 1Department of Physiotherapy, College of Medicine, University of Ibadan, Nigeria and 2College of Health Related Profession, State University of New York at Brooklyn, New York, USA Email: Adewale L Oyeyemi* - [email protected]; Babatunde OA Adegoke - [email protected]; Adetoyeje Y Oyeyemi - [email protected]; Bukola M Fatudimu - [email protected] * Corresponding author
Published: 4 August 2008 International Journal of Behavioral Nutrition and Physical Activity 2008, 5:38
doi:10.1186/1479-5868-5-38
Received: 9 June 2008 Accepted: 4 August 2008
This article is available from: http://www.ijbnpa.org/content/5/1/38 © 2008 Oyeyemi et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract Background: There is overwhelming evidence of the benefits of physical activity and the physical environment is increasingly recognized as a promising determinant of physical activity participation. The influence of the environment on physical activity has not been evaluated among black Africans and no specific measure exists for assessing environmental factors related to physical activity in an African environment. The IPAQ E- module was designed to assess environmental factors for physical activity participation and was considered to be relevant to all countries regardless of the stage of economic development. The objective of this study was to assess the testretest reliability of IPAQ E- module in an African population. Methods: One hundred and three clinical students of a University in Nigeria were invited to participate in the reliability testing of IPAQ E- module. Sixteen of the 17- items on the environmental measure were assessed for test- retest reliability using intraclass correlation coefficient (ICC) with 95% Confidence interval (CI) overall and by gender. The measure addressed items regarding residential density, access to destinations, neighborhood infrastructures, aesthetic qualities, social environment, street connectivity and neighborhood safety. Results: Of the total respondents, 51.5% were males and 48.5% were females. Overall, the intraclass correlation coefficient (ICC) ranged from 0.43 to 0.91. The item regarding many interesting things to look at (aesthetic) produced the overall highest reliability score (ICC = 0.91, 95% CI = 0.86 – 0.94), while the item regarding safety from crime during the day (neighborhood safety) produced the lowest overall score (ICC = 0.43, 95% CI = 0.26 – 0.57). Reliability of items on neighborhood infrastructures ranged between substantial agreement to almost perfect agreement overall (ICC = 0.66 – 0.88)
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