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dc.contributor.authorBeldo, Sigurd Klemetsen
dc.contributor.authorAars, Nils Abel
dc.contributor.authorChristoffersen, Tore
dc.contributor.authorFurberg, Anne-Sofie
dc.contributor.authorHalvorsen, Peder Andreas
dc.contributor.authorHansen, Bjørge Hermann
dc.contributor.authorHorsch, Alexander
dc.contributor.authorSagelv, Edvard Hamnvik
dc.contributor.authorSyed, Shaheen
dc.contributor.authorMorseth, Bente
dc.date.accessioned2022-10-26T07:16:22Z
dc.date.available2022-10-26T07:16:22Z
dc.date.issued2022-09-01
dc.description.abstractBackground<p> <p>The Saltin-Grimby Physical Activity Level Scale (SGPALS) is commonly used to measure physical activity (PA) in population studies, but its validity in adolescents is unknown. This study aimed to assess the criterion validity of the SGPALS against accelerometry in a large sample of adolescents. A secondary aim was to examine the validity across strata of sex, body mass index (BMI), parental educational level, study program and self-reported health. <p>Methods <p>The study is based on data from 572 adolescents aged 15–17 years who participated in the Fit Futures Study 2010–11 in Northern Norway. The participants were invited to wear an accelerometer (GT3X) attached to their hip for seven consecutive days. We used Spearman’s rho and linear regression models to assess the validity of the SGPALS against the following accelerometry estimates of PA; mean counts/minute (CPM), steps/day, and minutes/ day of moderate-to-vigorous physical activity (MVPA). <p>Results <p>The SGPALS correlated with mean CPM (ρ = 0.40, p<0.01), steps/day (ρ = 0.35, p<0.01) and MVPA min/day (ρ = 0.35, p<0.01). We observed no differences between correlations within demographic strata (all p>0.001). Higher scores on SGPALS were associated with a higher CPM, higher number of steps per day and more minutes of MVPA per day, with the following mean differences in PA measurements between the SGPALS ranks: CPM increased by 53 counts (95% CI: 44 to 62), steps/day increased by 925 steps (95% CI: 731 to 1118), and MVPA by 8.4 min/day (95% CI: 6.7 to 10.0). Mean difference between the highest and lowest SGPALS category was 2947 steps/day (6509 vs. 9456 steps/day) and 26.4 min/day MVPA (35.2 minutes vs 61.6 minutes). <p>Conclusion <p>We found satisfactory ranking validity of SGPALS measured against accelerometry in adolescents, which was fairly stable across strata of sex, BMI, and education. However, the validity of SGPALS in providing information on absolute physical activity levels seem limited.en_US
dc.identifier.citationBeldo S, Aars NA, Christoffersen T, Furberg A-S, Halvorsen PA, Hansen BH, Horsch A, Sagelv EH, Syed S, Morseth B. Criterion validity of the Saltin-Grimby Physical Activity Level Scale in adolescents. The Fit Futures Study. PLOS ONE. 2022;17(9)en_US
dc.identifier.cristinIDFRIDAID 2050411
dc.identifier.doi10.1371/journal.pone.0273480
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/10037/27133
dc.language.isoengen_US
dc.publisherPublic Library of Scienceen_US
dc.relation.journalPLOS ONE
dc.rights.accessRightsopenAccessen_US
dc.rights.holderCopyright 2022 The Author(s)en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0en_US
dc.rightsAttribution 4.0 International (CC BY 4.0)en_US
dc.titleCriterion validity of the Saltin-Grimby Physical Activity Level Scale in adolescents. The Fit Futures Studyen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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Attribution 4.0 International (CC BY 4.0)
Med mindre det står noe annet, er denne innførselens lisens beskrevet som Attribution 4.0 International (CC BY 4.0)