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Table 2 Study quality appraisal summary using the Joanna Briggs Institute, JBI, tool [15]

From: Prevalence of obesity among school-age children and adolescents in the Gulf cooperation council (GCC) states: a systematic review

Criteria-Paper

AlBlooshi, 2016 [18]

AlJunaibi, 2013 [20]

Musaiger, 2012 [19]

Al-Hazzaa, 2014 [21]

Musaiger, 2016 [22]

Al-Awadhi, 2013 [2]

Al-Haifi, 2013 [5]

Alrashidi, 2015 [26]

El-Ghaziri, 2011 [27]

Elkum, 2016 [28]

KNSS,a 2016 [29]

1. Sampling frame appropriate?

No

No

No

No

No

No

No

No

No

No

No

2. Sample appropriate?

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Unclear

3. Sample size adequate?

Unclear

No

Yes

Yes

Yes

Unclear

Unclear

Unclear

Unclear

No

Yes

4. Subjects & settings described?

Yes

Yes

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

5. Analysis conducted to ensure coverage?

No

No

No

No

No

Yes

Unclear

No

No

No

No

6. Valid methods used to define obesity?

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

7. Obesity defined in same way for all subjects?

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

8. Appropriate analysis? (numerator, denominator, %, CI)

No

Yes

No

No

No

Yes

No

No

Yes

No

No

9. Response rate adequate/dealt with?

No

Yes

No

No

No

Yes

No

No

No

No

No

Total/9

4

5

5

5

5

7

4

4

5

4

3

  1. aKuwait Nutrition Surveillance System