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Table 1 Primary and secondary outcomes of interests and proposed instrument/measure

From: Healthy together Victoria and childhood obesity—a methodology for measuring changes in childhood obesity in response to a community-based, whole of system cluster randomized control trial

Item Outcome(s) of interest Proposed Instrument/measure
Anthropometry • Change in BMI-z score
• Change in overweight and obesity prevalence
• Change in abdominal obesity prevalence
Height, weight & waist circumference
Physical activity and Sedentary behavior • Change in minutes per day (mins.d−1) spent in daily moderate-to-vigorous physical activity (MVPA) and sedentary time
• Change in the proportion of participants meeting Australia’s physical activity and sedentary behavior guidelines for children (5–12 years) [33] and young people (13–17 years) [34]
• Change in levels of perceived psychosocial influences on physical activity participation
Modified questionnaire containing items from the Core Indicators and Measures of Youth Health [30] and SHAPES [28] surveys.
Duration, intensity and perceived psychosocial influences
Diet • Change in typical/usual serves of fruit and vegetable daily
• Change in typical/usual serves of non-core foods
• Change in typical/usual serves of sugar-sweetened beverages
• Change in the proportion of participants meeting the Australian Dietary guidelines for fruit and vegetable intakes [38]
• Change in usual caffeinated energy drink intake
Modified version of the Simple Dietary Questionnaire (Parletta N, Frensham L, Peters J , O’Dea K, Itsiopoulos C. Validation of a Simple Dietary Questionnaire with adolescents in an Australian population, unpublished). [56]
Type, frequency
Moods and Feelings • Change in depressive symptom score Grade 8–10: Short Moods and Feelings Questionnaire [47]
Emotional wellbeing
Quality of Life • Change in the global score
• Change in psychosocial health summary score
• Change in physical health summary score
Paediatric Quality of Life Inventory (PedsQL) [40]
Environments • Change in school policy environment
• Change in school physical environment
• Change in school economic environment
• Change in school socio-cultural environment
Primary Schools: Be Active Eat Well Environment questionnaire
Secondary schools: It’s Your Move Environment Questionnaire