Skip to main content
Environmental Systems Research

Table 3 Literature review scoring and categorization of the overall quality of writing and risk of bias

From: The effect of household storage tanks/vessels and user practices on the quality of water: a systematic review of literature

Author (Year)

Quality of reporting

Minimizing risk of bias

Appropriateness of conclusion

Overall score

Overall risk of bias

Clarity of objectives

Context

Data collection

Analysis

Appropriateness of sampling

External peer review

Interpretations

Limitations

Conclusions

Ziadat (2005)

2

2

2

1

2

1

0

0

2

12

Moderate

Schafer (2010)

2

2

2

2

2

0

2

1

2

15

Low

Al-Bahrya et al. (2013)

2

2

2

2

2

2

1

0

1

14

Moderate

Graham and VanDerslice (2007)

2

2

2

2

2

2

2

0

2

16

Low

Al-Ghanim et al. (2014)

2

1

2

2

2

1

2

0

2

14

Moderate

Akuffo et al. (2013)

2

2

2

2

2

1

2

0

2

15

Low

Chalchisa et al. (2017)

2

1

1

1

1

1

2

0

1

10

High

Chia et al. (2013)

2

2

2

2

2

1

2

0

2

15

Low

Duru et al. (2013)

2

1

2

2

1

1

2

1

2

14

Moderate

Schafer et al. (2012)

2

2

2

2

2

0

2

1

2

15

Low

Packiyam et al. (2016)

1

1

2

2

1

1

2

1

2

13

Moderate

Mohanan et al. (2017)

2

2

1

1

2

2

2

0

2

14

Moderate

Ogbozige et al. (2018)

2

1

1

2

2

2

2

0

2

14

Moderate

Douhri et al. (2015)

2

2

1

2

2

2

2

0

2

15

Low

Khan & AlMadani (2016)

2

2

2

1

2

2

2

0

2

15

Low

Agensi et al. (2019)

2

2

2

2

2

2

2

0

2

16

Low

Nnaji et al. (2019)

2

2

1

2

1

2

2

0

2

14

Moderate

Holt (2005)*

2

2

2

1

2

0

2

2

2

15

Low

Pesewu et al. (2014)

2

2

2

2

2

2

2

0

2

16

Low

Levesque (2008)

2

2

2

2

2

2

2

0

2

16

Low

Rodrigo et al. (2010)

2

2

2

2

2

2

2

0

2

16

Low

Varghese and Jaya (2008)

2

1

2

2

2

2

2

0

2

15

Low

Nunes et al. 2018

2

2

2

1

2

2

2

0

2

15

Low

Jagals et al. 2003

2

2

2

2

2

2

2

0

2

16

Low

  1. Low risk of bias 15–17; Moderate risk of bias 12–15; High risk of bias: _\(\le\)11
Back to article page