First author	Published year	1	2	3	4	5	6	7
		Research question or objective clearly stated?	Study population clearly specified and defined?	Participation rate of eligible persons ≥ 50%?	Subjects selected or recruited from the same or similar population?	Sample size justification, power description or variance and effect estimates provided?	Exposure(s) of interest measured prior to outcome(s)?	Time frame sufficient for outcome to be shown if present?
Atrsaei	2021	Yes	Yes	Yes	Yes	NR	Yes	Yes
Bento	2010	Yes	Yes	NR	Yes	No	No	No
Chan	2007	Yes	Yes	Yes	Yes	NR	Yes	Yes
Cheng	2014	Yes	No	NR	Yes	No	No	No
Crozara	2013	Yes	Yes	NR	Yes	No	No	No
Crozara	2016	Yes	Yes	NR	Yes	Yes	No	No
Dietzel	2015	Yes	Yes	NR	Yes	No	No	No
Ejupi	2017	Yes	Yes	NR	Yes	No	No	No
Hsieh	2023	Yes	Yes	NR	Yes	NR	Yes	Yes
Kamo	2019	Yes	Yes	Yes	Yes	NR	No	No
Kemoun	2002	Yes	Yes	NR	Yes	No	Yes	Yes
Kera	2020	Yes	Yes	No	Yes	No	Yes	Yes
LaRoche	2010	Yes	No	NR	No	No	No	No
Palmer	2015	Yes	Yes	NR	Yes	Yes	No	No
Parsons	2020	Yes	Yes	Yes	Yes	No	Yes	Yes
Perry	2007	Yes	Yes	NR	No	No	No	No
Porto	2022	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Ribeiro	2012	Yes	Yes	NR	Yes	No	No	No
Skelton	2002	Yes	Yes	NR	No	No	No	No
Winger	2023	Yes	Yes	Yes	Yes	NR	Yes	Yes

First author	8	9	10	11	12	13	14
	Different levels of exposure examined in relation to outcome?	Exposure measures clearly defined, valid, reliable and implemented consistently?	Exposure(s) measured more than once over time?	Outcome measures clearly defined, valid, reliable and implemented consistently?	Outcome assessors blinded to exposure status of participants?	Loss of follow up after baseline ≤ 20%?	Key potential confounding variable measured and adjusted for?	Overall score
Atrsaei	Yes	Yes	No	Yes	NR	NR	Yes	10
Bento	Yes	Yes	NA	Yes	NR	NA	Yes	7
Chan	Yes	Yes	No	Yes	NR	Yes	Yes	11
Cheng	Yes	Yes	NA	Yes	NR	NA	Yes	6
Crozara	No	Yes	NA	Yes	NR	NA	Yes	6
Crozara	Yes	Yes	NA	Yes	NR	NA	No	7
Dietzel	Yes	Yes	NA	Yes	NR	NA	Yes	7
Ejupi	No	Yes	NA	Yes	NR	NA	NA	5
Hsieh	Yes	Yes	No	Yes	NR	Yes	Yes	10
Kamo	Yes	Yes	NA	Yes	NR	NA	Yes	8
Kemoun	No	Yes	No	Yes	Yes	Yes	No	9
Kera	Yes	Yes	No	Yes	NR	NR	Yes	9
LaRoche	No	Yes	NA	Yes	NR	NA	NA	3
Palmer	No	Yes	NA	Yes	NR	NA	NA	6
Parsons	Yes	Yes	No	Yes	NR	No	Yes	10
Perry	No	Yes	NA	Yes	NR	NA	No	4
Porto	Yes	Yes	No	Yes	NR	Yes	Yes	12
Ribeiro	Yes	Yes	NA	Yes	NR	NA	NA	6
Skelton	No	Yes	NA	Yes	NR	NA	No	4
Winger	Yes	Yes	No	Yes	NR	Yes	Yes	11

NR Not reported NA Not applicable