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Subjective and objective assessment of physical activity - Influence of newly diagnosed exercise induced bronchoconstriction and gender.
2017 (English)In: Respiratory Medicine, ISSN 0954-6111, E-ISSN 1532-3064, Vol. 131, 205-209 p., S0954-6111(17)30308-6Article in journal (Refereed) Published
Abstract [en]

AIM: To investigate if occurrence of newly diagnosed exercise induced bronchoconstriction (EIB) would affect adolescents' ability to assess their physical activity.

METHODS: 99 selected adolescents with and 47 adolescents without self-reported exercise induced dyspnea were included. All of the 146 adolescents then performed a standardized exercise challenge test on a treadmill with dry-air inhalation to detect EIB. Free living physical activity was assessed during seven days with both accelerometer (objective assessment) and a validated activity diary (subjective assessment). Height, weight and subjective sleep were recorded.

RESULTS: Out of the 146 adolescents 49 were diagnosed with EIB. Forty-six of the adolescents with EIB (35 girls and 11 boys) and 84 of the control adolescents (45 girls and 39 boys) had complete 7 day activity diary and accelerometer data. There were no differences in age, BMI and sleep between EIB and control adolescents. Boys with EIB overestimated subjective assessment compared to objective assessment more than girls with EIB. No difference was seen between control boys and girls. Furthermore, boys with EIB reported a much higher frequency of high intensity exercise than girls with EIB, but no difference was observed between control boys and girls.

CONCLUSION: Adolescent boys with newly diagnosed EIB overestimated their physical activity compared to EIB girls. Caution may thus be used when choosing methods measuring level of physical activity in this group and especially when investigating gender differences.

Place, publisher, year, edition, pages
2017. Vol. 131, 205-209 p., S0954-6111(17)30308-6
Keyword [en]
Assessment, Exercise induced bronchoconstriction, Gender, Physical activity
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-334898DOI: 10.1016/j.rmed.2017.08.024PubMedID: 28947031OAI: oai:DiVA.org:uu-334898DiVA: diva2:1161047
Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2017-11-29

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