Table 2 Assessment methods, timeline, and outcomes

Anthropometry

Child

Weight (kg), height (cm), waist circumference (cm)

BMI Z-score, overweight, obesity and central obesity.

Mother (or father or guardian)

Weight (kg), height (cm), waist circumference (cm)

Blood Pressure

Child

Blood pressure (mm Hg)

Classification of blood pressure (high, normal or low).

Mother (or father or guardian)

Blood pressure (mm Hg)

Physical Activity (PA) and Sedentary Behaviour

Child

Accelerometer

Accelerometer: Daily steps, minutes of moderate to vigorous PA (min/day), weekly METs (week days and week-end days) and sedentary time.

Mother (or father or guardian)

Global Physical Activity Questionnaire (GPAQ - WHO)

GPAQ: sedentary behaviour and PA at work, during leisure, and for transport (min/day).

Dietary Intake

Child

24-h Recall using the Multiple Pass Method (completed by parent/guardian)

Daily caloric intake (Kcal/day), breakfast quality (mg calcium/day), portions of fruits and vegetables, volume of water (ml/day), and percentage of calories from saturated fats and of grams of added sugar coming from snacks.

Mother (or father or guardian)

24-h Recall using the Multiple Pass Method

Socio-Economic Status

Mother (or father or guardian)

Modified and adapted version of SAIMO Socio-Economic Level Survey

Classification of social and economic status (low, middle or high).

Home and Neighbourhood Environment

Mother (or father or guardian)

Modified and adapted version of ISCOLE Neighbourhood & Home Environment Questionnaire

Neighbourhood social capital, home social environment, home and neighbourhood food environments, home and neighbourhood PA environment and neighbourhood facilities environment.

School Environment

School Principal (or Vice- Principal, or School Secretary)

Modified and adapted version of ISCOLE School Environment Questionnaire

School facilities, healthy eating and PA policies, extracurricular activities, frequency of physical education and breaks, promotion of active transportation and the availability of healthy and unhealthy foods.