The Sedentary Time and Activity Reporting Questionnaire (STAR-Q): Reliability and Validity Against Doubly Labeled Water and 7-Day Activity Diaries | Zendy

Ilona Csizmadi | Zendy; Heather K. Neilson | Zendy; Karen Kopciuk | Zendy; Farah Khandwala | Zendy; Andy Liu | Zendy; Christine M. Friedenreich | Zendy; Yutaka Yasui | Zendy; Rémi RabasaLhoret | Zendy; Heather E. Bryant | Zendy; David C.W. Lau | Zendy; Paula J. Robson | Zendy

Open Access

The Sedentary Time and Activity Reporting Questionnaire (STAR-Q): Reliability and Validity Against Doubly Labeled Water and 7-Day Activity Diaries

Author(s) -

Ilona Csizmadi,

Heather K. Neilson,

Karen Kopciuk,

Farah Khandwala,

Andy Liu,

Christine M. Friedenreich,

Yutaka Yasui,

Rémi RabasaLhoret,

Heather E. Bryant,

David C.W. Lau,

Paula J. Robson

Publication year - 2014

Publication title -

american journal of epidemiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.33

H-Index - 256

eISSN - 1476-6256

pISSN - 0002-9262

DOI - 10.1093/aje/kwu150

Subject(s) - reliability (semiconductor) , medicine , validity , physical activity , psychology , clinical psychology , psychometrics , physical therapy , physics , power (physics) , quantum mechanics

We determined measurement properties of the Sedentary Time and Activity Reporting Questionnaire (STAR-Q), which was designed to estimate past-month activity energy expenditure (AEE). STAR-Q validity and reliability were assessed in 102 adults in Alberta, Canada (2009-2011), who completed 14-day doubly labeled water (DLW) protocols, 7-day activity diaries on day 15, and the STAR-Q on day 14 and again at 3 and 6 months. Three-month reliability was substantial for total energy expenditure (TEE) and AEE (intraclass correlation coefficients of 0.84 and 0.73, respectively), while 6-month reliability was moderate. STAR-Q-derived TEE and AEE were moderately correlated with DLW estimates (Spearman's ρs of 0.53 and 0.40, respectively; P < 0.001), and on average, the STAR-Q overestimated TEE and AEE (median differences were 367 kcal/day and 293 kcal/day, respectively). Body mass index-, age-, sex-, and season-adjusted concordance correlation coefficients (CCCs) were 0.24 (95% confidence interval (CI): 0.07, 0.36) and 0.21 (95% CI: 0.11, 0.32) for STAR-Q-derived versus DLW-derived TEE and AEE, respectively. Agreement between the diaries and STAR-Q (metabolic equivalent-hours/day) was strongest for occupational sedentary time (adjusted CCC = 0.76, 95% CI: 0.64, 0.85) and overall strenuous activity (adjusted CCC = 0.64, 95% CI: 0.49, 0.76). The STAR-Q demonstrated substantial validity for estimating occupational sedentary time and strenuous activity and fair validity for ranking individuals by AEE.

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