Table 5 Overview of quality rating scoring per study

37

34

34

33

32

31

30

26

26

26

19

12

1

Study design (peer reviewed = 2, other = 0)

2

2

2

2

2

2

2

2

2

2

2

2

2

Well-defined hypothesis/objective/research question? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

2

1

2

2

2

2

1

3

Clear motivation research question? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

1

2

2

2

2

2

2

1

4

Concept clearly defined (e.g. access, equity) (fully = 2, partial = 1, not at all = 0)

2

1

1

2

2

1

2

0

1

2

0

0

5

Methods well described? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

2

1

1

2

2

2

0

6

Main outcomes clearly described? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

1

2

2

2

1

2

2

1

7

Potential sources of bias taken into account? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

2

1

0

0

2

0

0

8

Population and sampling method clearly defined? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

2

2

1

1

0

0

0

9

Type of information used (i.e. sample size, time period) clearly described? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

1

2

2

1

2

1

1

1

10

Primary data used for key analyses? (yes = 2, no = 0)

2

0

2

2

2

0

2

2

0

0

0

0

11

Survey (household/provider level) data used? (yes = 2, partial = 1, no = 0)

2

2

2

2

2

1

2

2

0

2

0

0

12

Research/subquestion(s) answered? (fully = 2, partial = 1, not at all = 0)

1

2

2

1

2

2

1

1

2

2

2

1

13

Results based on evidence derived from the data analysis? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

1

2

2

2

0

0

1

14

Results credible given the methods, data, and analysis used? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

1

1

1

2

2

0

1

15

Robustness of findings and limitations of method discussed? (fully = 2, partial = 1, not at all = 0)

2

2

2

1

1

2

2

1

2

1

2

0

16

Findings discuss within context of existing evidence base? (fully = 2, partial = 1, not at all = 0)

2

2

2

2

2

2

2

2

2

2

2

1

17

Missings clearly described? (fully = 2, partial = 1, not at all = 0)

2

2

1

0

2

1

1

2

0

0

0

0

18

Generalizable to rest of the country? (given sample size) (fully = 2, partial = 1, not at all = 0)

2

1

2

1

1

0

0

0

1

2

2

2

19

Study subjects asked representative of entire population recruited from? (yes = 2, no = 0)

0

0

0

0

0

2

2

2

0

0

0

0

20

Study subjects prepared to participate representative of entire population recruited from? (yes = 2, partial = 1, no = 0)

2

2

0

2

1

2

0

0

2

0

0

0