A systematic review and meta-analysis of school-based interventions with health education to reduce body mass index in adolescents aged 10 to 19 years

Chandni Maria Jacob; Polly Louise Hardy-Johnson; Hazel M. Inskip; Taylor Morris; Camille M. Parsons; Millie Barrett; Mark Hanson; Kathryn Woods-Townsend; Janis Baird

doi:10.1186/s12966-020-01065-9

International Journal of Behavioral Nutrition and Physical Activity

Table 4 Quality assessment of included studies

From: A systematic review and meta-analysis of school-based interventions with health education to reduce body mass index in adolescents aged 10 to 19 years

Study (Author, year)	Study Design	Randomisation	Blinding assessors	Blinding participants	Baseline	Selection criteria	Approach to Selection	Loss to follow up	Assessment of BMI, BMI Z score	Intervention delivery	Point estimates and measures of variability primary outcome	ITT^a analysis	Analytical methods	Confounding	Sample size	Total score^b	Risk of Bias
Amaro (2006) [34]	+ 1	0	− 1	0	0	0	0	0	+ 1	0	0	−1	+ 1	0	−1	0	High
Benitez-Andrades (2020) [65]	0	0	0	0	+ 1	0	0	−1	0	+ 1	− 1	− 1	+ 1	+ 1	− 1	0	High
Bogart (2016) [48]	+ 1	+ 1	0	0	0	+ 1	0	0	0	0	0	+ 1	+ 1	+ 1	+ 1	+ 7	Low
Bonsergent (2013) [35]	+ 1	−1	−1	0	0	+ 1	0	−1	+ 1	− 1	+ 1	− 1	+ 1	+ 1	0	+ 1	Medium
Busch (2015) [49]	+ 1	−1	−1	0	−1	0	0	0	+ 1	−1	+ 1	− 1	+ 1	0	−1	−3	High
Dewar (2013) [36]	+ 1	0	+ 1	+ 1	+ 1	+ 1	0	−1	+ 1	− 1	+ 1	+ 1	+ 1	+ 1	+ 1	+ 9	Low
Ermetici (2016) [37]	0	−1	− 1	0	+ 1	+ 1	0	+ 1	+ 1	+ 1	+ 1	−1	+ 1	+ 1	−1	+ 4	Medium
Ezendam (2012) [50]	+ 1	+ 1	0	0	0	+ 1	0	0	+ 1	+ 1	+ 1	+ 1	+ 1	+ 1	−1	+ 8	Low
Fairclough (2013) [38]	+ 1	+ 1	−1	− 1	0	+ 1	0	0	+ 1	+ 1	−1	−1	+ 1	+ 1	− 1	+ 2	Medium
Foster (2008) [39]	+ 1	−1	− 1	0	0	0	0	−1	0	−1	+ 1	− 1	+ 1	+ 1	0	− 1	High
Froberg (2018) [64]	0	−1	− 1	0	− 1	+ 1	0	0	+ 1	0	−1	− 1	− 1	−1	− 1	−6	High
Graham (2008) [51]	0	−1	−1	− 1	0	+ 1	− 1	+ 1	+ 1	0	+ 1	− 1	+ 1	− 1	− 1	−2	High
Grydeland (2014) [40]	+ 1	− 1	− 1	0	+ 1	+ 1	0	+ 1	+ 1	− 1	+ 1	−1	+ 1	0	+ 1	+ 4	Medium
HEALTHY study (2010) [52]	+ 1	+ 1	+ 1	0	+ 1	+ 1	0	0	+ 1	+ 1	+ 1	−1	+ 1	−1	+ 1	+ 8	Low
Lazorick (2015) [41]	0	−1	− 1	0	0	+ 1	0	+ 1	+ 1	−1	+ 1	−1	+ 1	+ 1	− 1	+ 1	Medium
Lubans (2016) [42]	+ 1	+ 1	0	+ 1	0	+ 1	0	0	+ 1	−1	+ 1	+ 1	+ 1	0	+ 1	+ 8	Low
Melnyk (2015) [53]	+ 1	0	+ 1	+ 1	−1	+ 1	0	0	+ 1	−1	+ 1	+ 1	+ 1	+ 1	+ 1	+ 8	Low
Mihas (2009) [54]	+ 1	+ 1	−1	0	+ 1	+ 1	0	+ 1	0	−1	+ 1	−1	+ 1	+ 1	+ 1	+ 3	Medium
Millar (2011) [43]	0	−1	− 1	0	0	0	0	−1	+ 1	− 1	+ 1	− 1	+ 1	+ 1	0	− 1	High
Neumark-Sztainer (2010) [55]	+ 1	−1	− 1	0	0	+ 1	0	+ 1	+ 1	−1	+ 1	−1	+ 1	+ 1	− 1	+ 2	Medium
Peralta (2009) [56]	+ 1	+ 1	+ 1	−1	−1	+ 1	0	+ 1	+ 1	0	+ 1	+ 1	+ 1	−1	−1	+ 5	Low
Prins (2012) [57]	+ 1	+ 1	0	0	0	0	0	0	+ 1	−1	+ 1	+ 1	+ 1	− 1	+ 1	+ 5	Low
Pfeiffer 2019 [47]	+ 1	0	0	0	+ 1	+ 1	+ 1	+ 1	+ 1	0	+ 1	+ 1	+ 1	+ 1	+ 1	+ 11	Low
Robbins (2012) [44]	+ 1	−1	−1	0	+ 1	+ 1	0	+ 1	+ 1	0	+ 1	+ 1	+ 1	0	+ 1	+ 7	Low
Robbins 2020 [66, 67] GOAL	0	0	−1	0	0	+ 1	0	+ 1	+ 1	+ 1	+ 1	+ 1	+ 1	+ 1	−1	+ 6	Low
Rosenbaum (2007) [58]	+ 1	−1	− 1	0	+ 1	− 1	0	0	+ 1	0	+ 1	−1	+ 1	−1	− 1	−1	High
Singh (2007) [59]	+ 1	−1	− 1	0	0	+ 1	0	0	+ 1	0	+ 1	+ 1	+ 1	0	+ 1	+ 5	Low
Viggiano (2015) [45]	+ 1	+ 1	−1	+ 1	+ 1	0	0	−1	+ 1	+ 1	0	−1	+ 1	0	+ 1	+ 5	Low
Wadolowska (2019) [60]	0	−1	0	0	+ 1	+ 1	0	0	+ 1	+ 1	+ 1	−1	+ 1	+ 1	+ 1	+ 6	Low
Webber (2008) [61]	+ 1	−1	− 1	0	− 1	+ 1	0	0	−1	− 1	0	− 1	+ 1	− 1	+ 1	−3	High
Wilksh (2015) [62]	+ 1	0	−1	0	0	+ 1	0	0	+ 1	0	+ 1	−1	+ 1	0	0	+ 3	Medium
Williamson (2012) [46]	+ 1	−1	−1	0	0	+ 1	0	−1	+ 1	0	+ 1	+ 1	+ 1	−1	+ 1	+ 3	Medium
Young (2006) [63]	+ 1	−1	− 1	0	− 1	+ 1	0	+ 1	+ 1	0	+ 1	−1	+ 1	− 1	0	+ 1	Medium

^aITT Intention to treat
^bDetails on scoring rubric in supplementary material

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