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Revista Española de Salud Pública
versão On-line ISSN 2173-9110versão impressa ISSN 1135-5727
Resumo
ANDRES GARCIA, Irene et al. Validation of a questionnaire on attitudes and practice of physical activity and other healthy habits through the Delphi method. Rev. Esp. Salud Publica [online]. 2019, vol.93, e201909081. Epub 07-Set-2020. ISSN 2173-9110.
Background:
Physical inactivity and sedentary lifestyle are an emerging individual, familiar and social public health problem. The aim of this work was to validate a new questionnaire to know the attitude towards physical activity and other habits in adolescents.
Methods:
The Delphi method was used. It was developed in three phases: an initial phase of selection of the panel of experts, an exploratory phase in two rounds of voting using a Likert scale of 1 to 5, and statistical and qualitative analysis of the experts’ contributions. The criteria for the choice of items were: average > 3.5 and factor V of Aiken ≥ 0.7. Reliability was assessed with the Cronbach alpha coefficient. A pilot test was carried out to assess the understanding of the instrument.
Results:
21 experts agreed to participate. Their participation was 100% in the first round and 95.2% in the second one. Seven items did not meet the criteria. The final questionnaire included 93 questions and 11 dimensions: data of the student, father, mother, physical activity in the educational center, transportation, free time, psychosocial aspects of physical activity, attitude towards physical activity, food, other habits and health perception. A Cronbach’s alpha of 0.974 was obtained.
Conclusions:
The results support the reliability and validity of the questionnaire. The Delphi method proved to be a useful technique for the proposed objective.
Palavras-chave : Delphi method; Validation studies; Questionnaire; Exercise; Healthy lifestyle; Feeding behavior; Adolescents.