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. 2025 Apr 28;11:e59519. doi: 10.2196/59519

Table 6.

Risk of bias assessment for included studies using the Joanna Briggs Institute appraisal tool (N=34).

Author (year) Quality (%) Randomized Concealed allocation Similar to baseline Participants blind to assignment Deliverers blind to assignment Identical groups except intervention of interest Outcome assessors blind to assignment Identical outcome measurement Reliable outcome measurement Analysis of follow-up Analysis according to correct groupings
Anand et al [59], (2020) 73 Yes Yes Yes No No Yes Unclear Yes Yes Yes Yes
Bauermeister et al [70], (2019) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Brody et al [60], (2022) 73 Yes Unclear Yes No Yes Yes Yes Yes No Yes Yes
Bull et al [78], (2009) 55 Yes Unclear No Unclear Unclear Yes Unclear Yes Yes Yes Yes
Bull et al [77], (2012) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Christensen et al. [69], (2013) 64 Yes No Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Cordova et al [79], (2020) 64 Yes Unclear Yes Unclear No Yes Unclear Yes Yes Yes Yes
Ezegbe et al [52], (2018) 91 Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes
Fiellin et al [80], (2017) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Hightow-Weidman et al [68], (2012) 55 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes No Yes
Hightow-Weidman et al [67], (2019) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Jones et al [81], (2013) 82 Yes Yes Yes Unclear Yes Yes Unclear Yes Yes Yes Yes
Klein and Card [82], (2011) 64 Yes Unclear Yes Unclear No Yes Yes Yes Yes No Yes
Lau et al [56], (2016) 73 Yes No Yes No No Yes Yes Yes Yes Yes Yes
Levy et al [61], (2021) 55 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes No Yes
Logie et al [55], (2023) 45 Yes No No Unclear Unclear No Yes Yes No Yes Yes
Marsch et al [75] (2011) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Marsch et al [76], (2015) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
McCrimmon et al [83], (2024) 45 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes No No
Mustanski et al [66], (2013) 82 Yes Yes Yes Yes Yes Yes Unclear Yes Yes No Yes
Mustanski et al [65], (2018) 91 Yes Yes Yes Yes Yes Yes Unclear Yes Yes Yes Yes
Nelson et al [64], (2022) 55 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes No Yes
Newcomb et al [71], (2023) 55 Yes Yes Yes Unclear Unclear No Unclear Yes Yes No Yes
Peskin et al [73], (2015) 64 Yes Unclear Yes Unclear No Yes Unclear Yes Yes Yes Yes
Santa Maria et al [74], (2021) 55 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Schnall et al [63], (2022) 82 Yes Yes Yes Yes Yes Yes Unclear Yes Yes No Yes
Swendeman et al [84], (2024) 82 Yes Yes No Yes Yes Yes Unclear Yes Yes Yes Yes
Widman et al [72], (2018) 73 Yes Unclear Yes Unclear Yes Yes Unclear Yes Yes Yes Yes
Widman et al [85], (2020) 64 Yes Unclear Yes Unclear Unclear Yes Unclear Yes Yes Yes Yes
Wray et al [62], (2019) 64 Yes No Yes No No Yes No Yes Yes Yes Yes
Ybarra et al [53], (2013) 64 Yes No Yes No No Yes No Yes Yes Yes Yes
Ybarra et al [54], (2015) 64 Yes No Yes No No Yes No Yes Yes Yes Yes
Yi et al [57], (2024) 55 Yes Yes Yes No No Yes Unclear Yes Yes No No
Zhang et al [58], (2024) 64 Yes Yes Yes No No Yes Unclear Yes Yes No Yes