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Table 3 Methodological quality assessment for included studies

From: The impact of exercise interventions concerning executive functions of children and adolescents with attention-deficit/hyperactive disorder: a systematic review and meta-analysis

Study (Year, Country/Region) Eligibility Criteria Random Allocation Concealed Allocation Similar at Baseline Subject Blinded Therapist Blinded Assessor Blinded Dropout Rate Intention-to-treat Analysis Between-group Comparison Points Measures Total Score Overall Study Quality
Kang et al.a (2011, Korea) [77] 1 1 0 1 0 0 0 1 1 1 1 7 High
Chang et al.a (2012, Taiwan) [28] 1 1 0 1 0 0 0 1 1 1 1 7 High
Verret et al.a (2012, Canada) [69] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
Gawrilow et al.a (2013, Germany) [75] 1 1 0 1 0 0 0 1 1 1 1 7 High
Pontifex et al. (2013, USA) [67] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
Chang et al.a (2014, Taiwan) [72] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
Choi et al.a (2015, Korea) [73] 1 1 0 1 0 0 0 1 1 1 1 7 High
Chuang et al. (2015, Taiwan) [74] 1 1 0 1 1 0 0 1 1 1 1 8 High
Piepmeier et al. (2015, USA) [66] 1 1 0 1 0 0 0 1 1 1 1 7 High
Ziereis & Jansena (2015, Germany) [71] 1 1 1 1 0 0 0 1 1 1 1 8 High
Bustamante et al.a (2016, USA) [70] 1 1 1 1 0 0 1 1 1 1 1 9 High
Hung et al. (2016, Taiwan) [76] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
Memarmoghaddam et al.a (2016, Iran) [64] 1 1 0 1 0 0 0 1 1 1 1 7 High
Pan et al.a (2016, Taiwan) [34] 1 1 0 1 1 0 0 1 1 1 1 8 High
Lee et al.a (2017, Korea) [61] 1 1 1 1 0 0 0 1 1 1 1 8 High
Ludyga et al. (2017, Switzerland) [62] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
Benzing et al.a (2018, Switzerland) [50] 1 1 1 1 0 0 0 1 1 1 1 8 High
Benzing & Schmidta (2019, Switzerland) [60] 1 1 1 1 0 0 0 1 1 1 1 8 High
Pan et al.a (2019, Taiwan) [65] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
Silva et al.a (2019, Brazil) [68] 1 1 0 1 0 0 0 0 1 1 1 6 Moderate
Ludyga et al. (2020, Switzerland) [63] 1 0 0 1 0 0 0 1 1 1 1 6 Moderate
  1. a Yes = 1; No = 0