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Angelique Bea Uy 1 Article
Development and validation of a sunlight exposure questionnaire for urban adult Filipinos
Marc Gregory Yu, Nina Castillo-Carandang, Maria Elinor Grace Sison, Angelique Bea Uy, Katrina Lenora Villarante, Patricia Maningat, Elizabeth Paz-Pacheco, Eileen Abesamis-Cubillan
Epidemiol Health. 2018;40:e2018050.   Published online October 11, 2018
DOI: https://doi.org/10.4178/epih.e2018050
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AbstractAbstract PDF
Abstract
OBJECTIVES
To develop and validate a self-reported sunlight exposure questionnaire (SEQ) for urban adult Filipinos.
METHODS
The study included adults (19-76 years old) in Metro Manila, Philippines, well-versed in the Filipino (Tagalog) language and had resided in Metro Manila for at least 1 year. Exclusion criteria included pregnancy, active skin disorders, and immunocompromised states. An expert panel created a questionnaire in Likert-scale format based on a conceptual framework and 4 existing instruments. The study proceeded in 4 phases: questionnaire item development, translation and back-translation, pretesting, and construct validity and reliability testing using factor analysis, the Cronbach alpha coefficient, and the paired t-test.
RESULTS
A 25-item, self-administered, Filipino (Tagalog) SEQ answerable using a 4-point Likert scale was created. The questionnaire was administered to 260 adult participants twice at a 2-week interval, with all participants completing both the first and second rounds of testing. All questionnaire items possessed adequate content validity indices of at least 0.86. After factor analysis, 3 questionnaire domains were identified: intensity of sunlight exposure, factors affecting sunlight exposure, and sun protection practices. Internal consistency was satisfactory for both the overall questionnaire (Cronbach alpha, 0.80) and for each of the domains (Cronbach alpha, 0.74, 0.71, and 0.72, respectively). No statistically significant differences were observed in the responses between the first and second rounds of testing, indicating good test-retest reliability.
CONCLUSIONS
We developed a culturally-appropriate SEQ with sufficient content validity, construct validity, and reliability to assess sunlight exposure among urban adult Filipinos in Metro Manila, Philippines.
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  • Reliability and validity of the Chinese version of the sunlight exposure questionnaire
    Xiaoxia Wang, Qin Wang, Zhe Li, Mengjie Chen, Maoting Guo, Laixi Kong, Liyuan Chen, Xiaolong Li, Junjun Li, Qieyan Cao, Zhenhua Luo, Zhenzhen Xiong, Dan Zhao
    Frontiers in Public Health.2024;[Epub]     CrossRef
  • Development and Validation of Vitamin D- Food Frequency Questionnaire for Moroccan Women of Reproductive Age: Use of the Sun Exposure Score and the Method of Triad’s Model
    Noura Zouine, Ilham Lhilali, Aziza Menouni, Lode Godderis, Adil El Midaoui, Samir El Jaafari, Younes Zegzouti Filali
    Nutrients.2023; 15(4): 796.     CrossRef
  • Sun Exposure Score and Vitamin D Levels in Moroccan Women of Childbearing Age
    Ilham Lhilali, Noura Zouine, Aziza Menouni, Lode Godderis, Marie-Paule Kestemont, Adil El Midaoui, Samir El Jaafari, Younes Filali-Zegzouti
    Nutrients.2023; 15(3): 688.     CrossRef
  • Association of sunlight exposure with 25-hydroxyvitamin D levels among working urban adult Filipinos
    Noemie Marie M. Mansibang, Marc Gregory Y. Yu, Cecilia A. Jimeno, Frances Lina Lantion-Ang
    Osteoporosis and Sarcopenia.2020; 6(3): 133.     CrossRef

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