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Table 2 Studies quality assessment with EPHPP Quality Assessment Tool

From: Investigating the association between stress, saliva and dental caries: a scoping review

Authors, year Selection bias Study design Con-founders Blinding Data collection methods Withdrawals and dropouts EPHPP global quality rating
1. Rai K et al., 2010 [44] Moderate Moderate Weak Weak Weak n/a Weak
2. Kambalimath et al., 2010 [43] Moderate Moderate Moderate Moderate Weak Weak Weak
3. Yfanti et al., 2014 [40] Moderate Moderate Moderate Moderate Moderate Weak Moderate
4. Boyce et al., 2010 [30] Moderate Weak Moderate Moderate Moderate n/a Moderate
5. Barbosa et al., 2012 [31] Moderate Weak Moderate Moderate Strong n/a Moderate
6. Pani et al., 2013 [45] Weak Weak Moderate Moderate Moderate n/a Weak
  1. Global quality rating: ‘strong’: no weak ratings and at least four strong ratings out of six; ‘moderate’: less than four strong ratings and one weak rating; ‘weak’: two or more weak ratings
  2. EPHPP Effective Public Health Practice Project