Validation of the French version of COHIP-SF-19 among 12-years children in New Caledonia

BMC Oral Health

Table 5 Internal reliability for the French COHIP-SF-19 questionnaire (n = 557)

Since school-year started	Cronbach alpha	Item-rest correlation	Total Cronbach’s alpha if item delated
Domain 1: Oral health	0.624
Q1: Had pain in your teeth/toothache		0.47	0.789
Q2: Had discoloured teeth or spots on your teeth		0.403	0.792
Q3: Had crooked teeth, paces between your teeth		0.369	0.794
Q4: Had bad breath		0.371	0.794
Q5: Had bleeding gums		0.291	0.8
Domain 2: Functional well-being	0.495
Q9: Had difficulty eating foods I would like to eat		0.448	0.789
Q12: Had trouble sleeping		0.52	0.786
Q15: Had difficulty saying certain words		0.374	0.794
Q19: Had difficulty keeping your teeth clean		0.299	0.799
Domain 3: Socio-emotional well-being	0.703
Q6: Been unhappy or sad		0.532	0.784
Q10: Felt worried or anxious		0.504	0.786
Q11: Avoided smiling, laughing with other children		0.556	0.783
Q16: Felt that you look different		0.502	0.788
Q18: Been worried about what other people think		0.412	0.791
Q14: Teased, bullied, called names by other children		0.495	0.790
Q7: Missed school		0.423	0.792
Q13: Did not want to speak/read out loud in class		0.502	0.789
Q8: Been reassured or put in trust through		0.099	0.817
Q17: Felt that you were good looking		0.032	0.819
COHIP-SF-19 total score	0.802

ISSN: 1472-6831