Table 4.

Study quality of included studies in the systematic review [47,49].

	Selection Bias	Study Design	Confounders	Blinding	Data Collection Method	Withdrawals and Drop-Outs
Gallagher et al., 2000	Moderate	Strong	Weak	Moderate	Strong	Moderate
Glanz et al., 2000	Moderate	Strong	Strong	Moderate	Weak	Weak
Barankin et al., 2001	Strong	Strong	Weak	Moderate	Weak	Weak
Bauer et al., 2005	Strong	Strong	Strong	Strong	Strong	Moderate
Dobbinson et al., 2009	Weak	Strong	Weak	Moderate	Strong	Strong
Harrison et al., 2010	Moderate	Strong	Weak	Weak	Strong	Strong
Dobbinson et al., 2019	Moderate	Moderate	Strong	Moderate	Strong	N/A