European Journal of Epidemiology

, Volume 27, Issue 7, pp 561–566 | Cite as

Estimating physical activity using a cell phone questionnaire sent by means of short message service (SMS): a randomized population-based study

  • Ylva Trolle Lagerros
  • Sven Sandin
  • Christin Bexelius
  • Jan-Eric Litton
  • Marie Löf


An investigation in a randomized population-based Swedish study with 564 participants aged 18–80 years showed that mean physical activity levels obtained using short message service (SMS) by means of cell phones (n = 171) were equal to corresponding levels obtained when sending identical questions by web (n = 182) or paper (n = 211). The response rates were similar for the SMS, web and paper groups.


Cellular phone Epidemiological methods Exercise Internet Questionnaires 



Physical activity level


Short message service


Body mass index



The authors would like to thank all study participants, Åsa Neij for help with data collection as well as Johan Cederlund and Jan Fjellström for help with the web and cell phone application. This work was supported by the Swedish Research Council (2008-4322), and Karolinska Institutet.

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Ylva Trolle Lagerros
    • 1
  • Sven Sandin
    • 2
  • Christin Bexelius
    • 2
  • Jan-Eric Litton
    • 2
  • Marie Löf
    • 2
    • 3
    • 4
  1. 1.Clinical Epidemiology Unit, Department of MedicineKarolinska InstitutetStockholmSweden
  2. 2.Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
  3. 3.Department of Clinical and Experimental MedicineLinkoping UniversityLinköpingSweden
  4. 4.Department of Biosciences and NutritionKarolinska InstitutetStockholmSweden

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