Lifetime Occupational Physical Activity and Musculoskeletal Aging in Middle-Aged Men and Women in Denmark: Retrospective Cohort Study Protocol and Methods

Lifetime Occupational Physical Activity and Musculoskeletal Aging in Middle-Aged Men and Women in Denmark: Retrospective Cohort Study Protocol and Methods

Authors of this article:

Anne Møller^{1, 2, 3} ;   Ole Steen Mortensen^{3, 4} ;   Susanne Reventlow² ;   Peder Georg Skov¹ ;   Johan Hviid Andersen⁵ ;   Tine Steen Rubak⁴ ;   Åse Marie Hansen^{3, 6} ;   Lars L Andersen³ ;   Rikke Lund⁶ ;   Merete Osler^{6, 7, 8} ;   Ulla Christensen⁶ ;   Kirsten Avlund^{6, 7, 9}