Construct validity of the neighborhood environment walkability scale for Africa

Oyeyemi, Adewale L., Conway, Terry L., Adedoyin, Rufus A., Akinroye, Kingsley K., Aryeetey, Richmond, Assah, Felix, Cain, Kelli L., Gavand, Kavita A., Kasoma, Sandra S., Kolbe-Alexander, Tracy L., Lambert, Estelle V., Larouche, Richard, Mos, Sarah J., Ocansey, Reginald, Onywera, Vincent O., Prista, Antonio, Tremblay, Mark S. and Sallis, James F. (2017) Construct validity of the neighborhood environment walkability scale for Africa. Medicine and Science in Sports and Excercise, 49 3: 482-491. doi:10.1249/MSS.0000000000001131

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Author Oyeyemi, Adewale L.
Conway, Terry L.
Adedoyin, Rufus A.
Akinroye, Kingsley K.
Aryeetey, Richmond
Assah, Felix
Cain, Kelli L.
Gavand, Kavita A.
Kasoma, Sandra S.
Kolbe-Alexander, Tracy L.
Lambert, Estelle V.
Larouche, Richard
Mos, Sarah J.
Ocansey, Reginald
Onywera, Vincent O.
Prista, Antonio
Tremblay, Mark S.
Sallis, James F.
Title Construct validity of the neighborhood environment walkability scale for Africa
Journal name Medicine and Science in Sports and Excercise   Check publisher's open access policy
ISSN 0195-9131
1530-0315
Publication date 2017-01-01
Year available 2016
Sub-type Article (original research)
DOI 10.1249/MSS.0000000000001131
Open Access Status File (Author Post-print)
Volume 49
Issue 3
Start page 482
End page 491
Total pages 10
Place of publication Philadelphia, PA United States
Publisher Lippincott Williams & Wilkins
Language eng
Abstract The development of valid measures of built environments relevant for physical activity is an important step toward controlling the global epidemic of physical inactivity-related noncommunicable diseases and deaths. This study assessed the construct validity of a self-report neighborhood environment walkability scale adapted for Africa (NEWS-Africa), by examining relationships with self-reported walking for transportation and recreation using pooled data from six sub-Saharan African countries.
Formatted abstract
Purpose:
Development of valid measures of built environments relevant for physical activity is an important step toward controlling the global epidemic of physical inactivity-related noncommunicable diseases and deaths. This study assessed the construct validity of a self-report neighborhood environment walkability scale adapted for Africa (NEWS-Africa), by examining relationships with self-reported walking for transportation and recreation using pooled data from six sub-Saharan African countries.

Methods:
NEWS was systematically adapted to assess urban, peri-urban and rural environments in sub-Saharan Africa. Adults (n=469, 18-85 years, 49.7% women) from Cameroon, Ghana, Mozambique, Nigeria, South Africa and Uganda were purposively recruited from neighborhoods varying in walkability and socioeconomic status, with some from villages. Participants completed the 76-item (13 subscales) NEWS-Africa by structured interview and reported weekly minutes of walking for transport and recreation using items from the International Physical Activity Questionnaire.

Results:
The overall „walkability‟ index had a positive relationship with both walking for transportation (eta2 =0.020, p=0.005) and recreation (eta2 =0.013, p=0.028) in the pooled analyses. The mixed-use access and strangerdanger scales were positively related with transport walking (eta2 =0.020, p=0.006 and eta2 =0.021, p=0.040, respectively). Proximity of recreational facilities (eta2 =0.016, p=0.015), road/path connectivity (eta2 =0.025, p=0.002), path infrastructure (eta2 =0.021, p=0.005), and overall places for walking and cycling (eta2 =0.012, p=0.029) scales were positively related to recreational walking. Country-specific results were mostly non-significant except for South Africa and Uganda.

Conclusions:
Seven of 14 NEWS-Africa scales were significantly related to walking behavior in pooled analyses, providing partial support for the construct validity of NEWS-Africa. However, effect sizes appeared to be lower than those from other continents. Further study with larger and more diverse samples is needed to determine whether the instrument performs well in each country. 
Keyword Physical Therapy, Sports Therapy and Rehabilitation
Orthopedics and Sports Medicine
Q-Index Code C1
Q-Index Status Provisional Code
Grant ID R01 HL111378
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Human Movement and Nutrition Sciences Publications
 
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Created: Wed, 02 Nov 2016, 20:35:21 EST by Sandrine Ducrot on behalf of School of Human Movement and Nutrition Sciences