Table 1.

List of criteria for assessing the methodological quality of studies on the association between financial toxicity and employment status

	Criteria	Number of articles meeting criteria (n = 31)
	Positive if with respect to
	Main outcomes
1	A validated financial toxicity questionnaire is used	11
2	Financial toxicity was assessed objectively	2
	Study population
3	A description is included of at least two socio-demographic variables	31
4	A description is included of at least two clinical variables	30
5	Inclusion and/or exclusion criteria are described	28
6	Participation rates for patient groups are described and are > 70%	10
7	Information is given about the degree of selection of sample (e.g., whether there is a selective response)	9
	Study design
8	The study size is consisting of at least 50 participants (arbitrarily chosen)	31
9.	The collection of data is prospectively gathered	8
10.	The process of data collection is described (e.g. interview or self-report)	30
	Results
11.	The results are compared between two groups or more (e.g., comparison with healthy population and differences in financial toxicity between those with or without work), and/or results are compared between at least two time points (e.g., pre- versus post-treatment)	30
12.	Statistical proof for the main findings is reported	30
13.	Relationship between financial toxicity and employment status is described	23