Prev Med. 2016 Jun;87:167-169. doi: 10.1016/j.ypmed.2016.02.040. Epub . Identifying correlates and determinants of physical activity in youth: How .This commentary provides a critical discussion of current research investigating the correlates and determinants of physical activity in young people, with specific .Prev Med. 1989 Nov;18 6 :856-66. Identifying correlates of walking for exercise: an epidemiologic prerequisite for physical activity promotion. Hovell MF 1 .This study was designed to identify correlates of walking for exercise ins. Over 2,050 43.4 response rate responses to a mailed questionnaire were .