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Gaceta Sanitaria

Print version ISSN 0213-9111


BORT-ROIG, Judit et al. Monitoring sedentary patterns in office employees: validity of an m-health tool (Walk@Work-App) for occupational health. Gac Sanit [online]. 2018, vol.32, n.6, pp.563-566. ISSN 0213-9111.


This study validated the Walk@Work-Application (W@W-App) for measuring occupational sitting and stepping.


The W@W-App was installed on the smartphones of office-based employees (n=17; 10 women; 26±3 years). A prescribed 1-hour laboratory protocol plus two continuous hours of occupational free-living activities were performed. Intra-class correlation coefficients (ICC) compared mean differences of sitting time and step count measurements between the W@W-App and criterion measures (ActivPAL3TM and SW200Yamax Digi-Walker).


During the protocol, agreement between self-paced walking (ICC=0.85) and active working tasks step counts (ICC=0.80) was good. The smallest median difference was for sitting time (1.5seconds). During free-living conditions, sitting time (ICC=0.99) and stepping (ICC=0.92) showed excellent agreement, with a difference of 0.5minutes and 18 steps respectively.


The W@W-App provided valid measures for monitoring occupational sedentary patterns in real life conditions; a key issue for increasing awareness and changing occupational sedentariness.

Keywords : Health promotion through mobile phone technology (m-Health); Sitting time; Sedentary behaviour; Steps; Occupational health; Validity.

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