Categorical answer modes provide superior validity to open answers when asking for level of physical activity: A cross-sectional study.

@article{Olsson2016CategoricalAM,
  title={Categorical answer modes provide superior validity to open answers when asking for level of physical activity: A cross-sectional study.},
  author={S J G Olsson and {\"O}rjan Ekblom and Eva A. Andersson and Mats B{\"o}rjesson and Lena V Kallings},
  journal={Scandinavian journal of public health},
  year={2016},
  volume={44 1},
  pages={70-6}
}
AIMS Physical activity (PA) used as prevention and treatment of disease has created a need for effective tools for measuring patients' PA level. Our aim was therefore to assess the validity of two PA questions and their three associated answer modes. METHODS Data on PA according to the PA questions and Actigraph GT3X+ accelerometers, aerobic fitness (VO(2)max), cardiovascular biomarkers, and self-rated general health were collected in 365 Swedish adults (21-66 years). The PA questions ask… CONTINUE READING