Table 2.

Mean scores for the Quality Assessment with Diverse Studies items and the total score in cohort and case–control studies

Item	Score
Intro	2.5/3
Aims	2/3
Setting and target population	2/3
Design appropriate for the aims	2/3
Appropriate sampling	1.5/3
Rationale for data tools	2/3
Tool appropriate for aims	2/3
Data collection procedure	2/3
Recruitment data	2/3
Justification for analytic method	0.5/3
Method of analysis appropriate for aims	2/3
Evidence of stakeholder input	0/3
Strengths and limitations	2/3
Total score	23/39

The maximum total score ranged from 33–39, depending on which items were applicable for each study