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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