VALIDITY AND RELIABILITY OF THE INTERNATIONAL PHYSICAL ACTIVITY QUESTIONNAIRE AMONG MEXICAN ADULTS
Background: Because it is a strong determinant of chronic disease and mortality risk, physical activity is a health behaviour that is measured in most large health surveys. Questionnaires are the most commonly used method for measuring physical activity in health surveys. In the early 1990’s, an int...
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| Language: | en en |
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2013
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| Online Access: | http://hdl.handle.net/1974/7887 |