Table 3.

Results of the quality assessment tool

Article (first author, years, country)	Intervention	Study design	Bias	Confounders	Blinding	Data collection and methods	Drop-out/withdrawal	Rating
000	AAA	Weak	Weak	Weak	Weak	Weak	Weak
		Moderate	Moderate	Moderate	Moderate	Moderate	Moderate
		Strong	Strong	Strong	Strong	Strong	Strong
111	BBB	Weak	Weak	Weak	Weak	Weak	Weak
		Moderate	Moderate	Moderate	Moderate	Moderate	Moderate
		Strong	Strong	Strong	Strong	Strong	Strong