ArticleBMJ open2026
Latent profiles of movement behaviour compositions and their associations with adiposity and health-related quality of life in Australian children: a cross-sectional and 12-month longitudinal study.
Article in BMJ open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo identify profiles of compositional movement behaviour patterns among children and examine cross-sectional and 12-month associations with adiposity markers and health-related quality of life (HRQoL).
designSecondary analysis of data from the TransformUs cluster randomised controlled trial with cross-sectional and 12-month follow-up analyses.
settingPrimary schools in metropolitan and regional areas of Victoria, Australia.
participantsChildren aged 7-11 years with valid accelerometer at baseline, regardless of demographic, adiposity and HRQoL data available (n=792), were included in the analytical sample for the latent profile analysis. MEASURES: Sedentary time, light-intensity physical activity (LPA) and moderate- to vigorous-intensity physical activity (MVPA) along with their respective mean bout lengths were derived from raw acceleration data. Latent profile analysis used these measures (total times, as isometric log ratios and mean bout lengths) as input variables to classify distinct profiles for us as a categorical exposure variable in regression models. Primary outcomes were age- and sex-standardised body mass index, waist circumference and parent-reported HRQoL at baseline. Secondary outcomes were the same measures assessed at 12-month follow-up.
resultsFour distinct profiles were identified. The
conclusionsFour distinct movement profiles were identified. Few pairwise differences between health outcomes were observed. While MVPA remains a key factor for promoting healthy body weight, our findings suggest that a variety of movement patterns - including those characterised by lower sedentary time and higher LPA - may also support health in children.
trial registrationThis study is a secondary analysis of the TransformUs effectiveness-implementation trial, registered with the Australian Clinical Trials Registry (ACTRN12617000204347; 1 April 2017).
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