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Table 3 Quality assessment for included studies

From: Maternal health service utilisation of adolescent women in sub-Saharan Africa: a systematic scoping review

Component

Item

Quality criteria description

Banke-Thomas, 2016

Magadi, 2007

Brabin, 1998

Magadi, 2002

Reynolds, 2006

Ebeigbe, 2007

Magadi, 2007

Elhassan, 2009

Chaibva, l,2009

Alemayhue, 2010

Birungi, 2011

Objectives

1

State specific objectives, including any pre-specified hypotheses

2

2

2

2

2

1

2

2

2

2

2

Methods

 Study design

2

Present key elements of study design early in the paper

2

2

1

1

2

1

2

1

2

1

1

 Setting

3

Describe the setting, locations, and relevant dates, including periods of recruitment, exposure, follow-up, and data collection

2

1

2

2

2

2

1

2

2

2

2

 Participants

4

Give the eligibility criteria, and the sources and methods of selection of participants

2

1

1

2

2

1

2

1

2

2

2

 Variables

5

Clearly define all outcomes, exposures, predictors, potential confounders, and effect modifiers.

2

2

2

 

1

1

2

1

 

1

1

 Data sources/ measurement

6

For each variable of interest, give sources of data and details of methods of assessment (measurement).

2

2

1

1

2

 

2

 

2

1

1

 Bias

7

Describe any efforts to address potential sources of bias

2

1

1

 

1

 

1

 

1

1

1

 Study size

8

Explain how the study size was arrived at

1

 

1

2

2

  

1

1

1

1

 Quantitative variables

9

Explain how quantitative variables were handled in the analyses. If applicable, describe which groupings were chosen and why

2

2

2

1

2

1

2

1

2

2

2

 Statistical methods

10

Describe all statistical methods, including those used to control for confounding

2

2

2

 

2

1

2

1

1

1

1

 

11

Explain how missing data were addressed

1

1

1

1

1

1

1

1

  

1

Results

 Participants

12

Report numbers of participants and study and response rate

2

1

1

 

2

1

1

1

2

1

1

 Descriptive data

13

Give characteristics of study participants (eg demographic, clinical, social) and information on exposures and potential confounders

2

1

2

1

2

2

2

2

1

2

2

 Main results

14

Give unadjusted estimates and, if applicable, confounder-adjusted estimates and their precision (eg, 95% confidence interval). Make clear which confounders were adjusted for and why they were included

2

2

1

 

2

1

2

 

1

1

1

Discussion

 Key Results

15

Summarise key results with reference to study objectives

2

2

2

 

2

2

2

1

1

2

1

 Limitations

16

Discuss limitations of the study, taking into account sources of potential bias or imprecision. Discuss both direction and magnitude of any potential bias

2

1

1

 

2

1

1

 

2

1

2

 Interpretation

17

Give a cautious overall interpretation of results considering objectives, limitations, multiplicity of analyses, results from similar studies, and other relevant evidence

2

1

1

1

2

1

2

2

1

2

2

  

Quality score

32

26

24

16

31

17

27

17

23

23

24

  

% Quality score

94

77

70

47

91

50

79

50

67

67

70

Component

item

Quality criteria description

Ochako, 2011

Gross, 2012

Rai, 2012

Rai l, 2013

Singh, 2006

Rai, 2014

Worku, 2016

Banke-Thomas.2017

Helleringer, 2017

Musarandega, 2017

Ronen, 2017

Objectives

1

State specific objectives, including any pre-specified hypotheses

2

2

2

2

2

2

2

2

2

1

1

Methods

 Study design

2

Present key elements of study design early in the paper

2

1

2

1

1

1

1

1

2

2

2

 Setting

3

Describe the setting, locations, and relevant dates, including periods of recruitment, exposure, follow-up, and data collection

2

2

2

2

1

1

2

2

1

1

2

 Participants

4

Give the eligibility criteria, and the sources and methods of selection of participants

1

2

2

1

2

1

2

2

2

2

2

 Variables

5

Clearly define all outcomes, exposures, predictors, potential confounders, and effect modifiers.

1

1

2

2

2

2

1

2

1

2

1

 Data sources/ measurement

6

For each variable of interest, give sources of data and details of methods of assessment (measurement).

2

1

1

2

1

2

1

2

1

2

1

 Bias

7

Describe any efforts to address potential sources of bias

1

 

1

1

1

1

2

2

1

 

1

 Study size

8

Explain how the study size was arrived at

2

1

2

2

1

2

1

1

2

2

1

 Quantitative variables

9

Explain how quantitative variables were handled in the analyses. If applicable, describe which groupings were chosen and why

1

 

2

1

2

2

1

2

1

2

1

 Statistical methods

10

Describe all statistical methods, including those used to control for confounding

1

1

1

1

1

2

1

2

1

1

1

 

11

Explain how missing data were addressed

1

 

1

 

1

      

Results

 Participants

12

Report numbers of participants and study and response rate

2

2

1

1

2

1

1

1

1

1

1

 Descriptive data

13

Give characteristics of study participants (eg demographic, clinical, social) and information on exposures and potential confounders

2

1

2

2

2

2

2

2

1

2

1

 Main results

14

Give unadjusted estimates and, if applicable, confounder-adjusted estimates and their precision (eg, 95% confidence interval). Make clear which confounders were adjusted for and why they were included

1

 

1

1

1

1

1

2

1

1

1

Discussion

 Key results

15

Summarise key results with reference to study objectives

2

2

2

2

2

1

2

2

2

2

1

 Limitations

16

Discuss limitations of the study, taking into account sources of potential bias or imprecision. Discuss both direction and magnitude of any potential bias

1

1

 

1

1

1

2

1

1

1

1

 Interpretation

17

Give a cautious overall interpretation of results considering objectives, limitations, multiplicity of analyses, results from similar studies, and other relevant evidence

1

2

2

2

1

2

2

2

1

1

1

  

Quality score

25

19

26

24

24

24

27

29

21

23

19

  

% Quality score

73

55

76

70

70

70

79

85

61

67

55