Table 2 Mean scores for the Quality Assessment with Diverse Studies items and the total score in cohort and case–control studies

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