Table 2

Data collection tools and time points for each
Measures Collection Tools Intervention (weeks)
Pre- Post-
2 1 6 12 20
Socio-demographic Self-styled questionnaire - - - -
Anthropometric Height, weight, waist circumference - - -
Sleep hygiene Adolescent Sleep Hygiene Scale
Sleep quality Pittsburgh Sleep Quality Index
Sleep quality (parent report) Sleep Disturbance Scale for Children
Daytime sleepiness Pediatric Daytime Sleepiness Scale
Sleep duration & energy expenditure Actical

Tan et al. BMC Pediatrics 2012 12:189   doi:10.1186/1471-2431-12-189

Open Data