Skip to main content

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 ITTa analysis Analytical methods Confounding Sample size Total scoreb 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
  1. aITT Intention to treat
  2. bDetails on scoring rubric in supplementary material
\