Design and measures

Design: PEAR

• Cross-sectional study of 1200 Year 9 students in schools across Bristol, South Gloucestershire, North Somerset and BANES.
• Objective measures of how active children are in relation to where they go.
• Subjective measures of physical, social and personal environmental determinants of physical activity and use of environment.
• Examine physical activity and other lifestyle behaviours in relation to obesity and pubertal status.
• Examine physical activity and lifestyle behaviours in relation to urban/rural demographic of local area.
• Examine stress levels on a weekday in relation to time spent outside.

Design: PEACH

• Longitudinal study starting in the last year of primary and repeating measures in the first year of secondary school, with a final follow up towards the end of secondary education (year 10/11)
• Objective measures of how active children are in relation to where they go.
• Physical and social environmental determinants of physical activity.
• Examine physical activity and other lifestyle behaviours in relation to obesity and pubertal status.
• Examine eating behaviours and snacking outside of the home (year 7).
• Examine stress levels on a weekday and weekend day in relation to time spent outside (year 10/11).