Table 2. Risk of Bias Summary for Included Studies.

Study	Bias arising from the randomisation process	Bias due to deviations from intended interventions	Bias due to missing outcome data	Bias in measurement of the outcome	Bias in selection of the reported result	Overall risk of bias (selection)	Overall risk of bias (consumption)
Ang et al. (2019)	Low risk	Low risk	Low risk	Low risk	Some concerns	Some concerns
Acton and Hammond (2018)	Some concerns	Low risk	Low risk	Some concerns	Some concerns	Some concerns
Billich et al. (2018)	Some concerns	Low risk	Low risk	Low risk	Some concerns	Some concerns
Clarke et al. (2020a)	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Clarke et al. (2020b)	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Grummon et al. (2019)	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
Mantzari et al. (2018)	Low risk	Low risk	Low risk	Low risk	Some concerns	Some concerns
Mantzari et al. (2020)	Low risk	Low risk	Low risk	Some concerns	Some concerns	Some concerns
Roberto et al. (2016)	Low risk	Low risk	Low risk	Low risk	Some concerns	Some concerns
Stafford and Salmon (2017)	Some concerns	Low risk	Low risk	Some concerns	Some concerns		Some concerns
Temple et al. (2016)	Some concerns	Some concerns	Low risk	Low risk	Some concerns	Some concerns
VanEpps and Roberto (2016)	Low risk	Low risk	Low risk	Low risk	Some concerns	Some concerns