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Table 2 Means, SD, floor and ceiling effect, and Cronbach’s alpha of OHIP5-Ar items

From: Translation and validation of the Arabic version of the 5-item Oral Health Impact Profile: OHIP5-Ar

  Mean ± SD Range Floor and ceiling effect Cronbach’s Alpha if Item Deleted
   % of value 0 % of value 4  
Difficulty chewing 1.67 ± 1.43 0–4 33.4 12.2 0.72
Painful aching 1.54 ± 1.29 0–4 30.6 7.5 0.71
Uncomfortable about appearance 1.56 ± 1.43 0–4 35.6 12.2 0.78
Less flavor in food 1.05 ± 1.23 0–4 50.0 5.3 0.73
Difficulty doing usual jobs 0.90 ± 1.16 0–4 53.4 3.8 0.76
  1. SD standard deviation; Total Cronbach’s alpha = 0.78