Table 4.

Quality assessment results against the effective public health practice project quality assessment tool for environmental assessment studies.

References	Selection bias	Design	Confounders	Blinding	Data collection method	Withdrawals/Dropouts	Global ratings
Austigard et al. (30)	Strong	Moderate	Strong	Moderate	Strong	Strong	Strong
Carducci et al. (31)	Moderate	Moderate	Weak	Moderate	Moderate	Strong	Moderate
Cyprowoski et al. (32)	Strong	Moderate	Moderate	Moderate	Strong	Strong	Strong
Gotkowska et al. (33)	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Strong
Oppliger et al. (34)	Strong	Moderate	Weak	Moderate	Strong	Strong	Moderate
Shiota et al. (35)	Strong	Moderate	Weak	Moderate	Strong	Strong	Moderate
Spaan et al. (36)	Strong	Moderate	Weak	Strong	Strong	Strong	Moderate
Upadhyay et al. (37)	Moderate	Moderate	Moderate	Moderate	Moderate	Strong	Strong
Yang et al. (38)	Strong	Moderate	Moderate	Strong	Strong	Strong	Strong
Yang et al. (39)	Strong	Moderate	Moderate	Moderate	Strong	Strong	Strong
Prazmo et al. (40)	Moderate	Weak	Weak	Moderate	Strong	Strong	Weak