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Table 1 Convergence validity.

From: Spanish version of the Oral Health Impact Profile (OHIP-Sp)

OHIP-Sp domains and OHIP-Sp score   Self perceived oral health status
  All students (9,133) Good (n = 2,217) Fair (n = 5,964) Poor (n = 950) rs
  mean [95% CI] Mean [95% CI] mean [95% CI] mean [95% CI]  
Functional limitation 2.1 [2.0;2.1] 1.1 [1.1;1.2] 2.1 [2.1;2.2] 3.8 [3.7;3.9] 0.42#
Physical pain 3.0 [3.0;3.1] 2.2 [2.1;2.3] 3.1 [3.0;3.1] 4.4 [4.3;4.6] 0.27#
Psychological discomfort 1.9 [1.9;1.9] 1.5 [1.4;1.5] 1.9 [1.9;2.0] 2.7 [2.6;2.8] 0.26#
Physical disability 0.9 [0.9;0.9] 0.5 [0.5;0.6] 0.9 [0.9;0.9] 1.9 [1.8;2.0] 0.28#
Psychological disability 1.1 [1.1;1.1] 0.4 [0.4;0.5] 1.1 [1.1;1.1] 2.6 [2.4;2.7] 0.35#
Social disability 0.3 [0.3;0.3] 0.1 [0.1;0.1] 0.3 [0.3;0.3] 0.9 [0.8;0.9] 0.23#
Handicap 0.4 [0.4;0.4] 0.2 [0.1;0.2] 0.4 [0.4;0.4] 1.0 [1.0;1.1] 0.24#
OHIP-Sp (all items) 9.7 [9.5;9.8] 6.1 [5.9;6.3] 9.8 [9.7;10.0] 17.2 [16.7;17.8] 0.41#
  1. Mean scores and Spearman's rank correlation coefficients between OHIP-Sp and its domains, and self-perceived oral health status. (rs = Spearman's rank correlation coefficients; # = P-value < 0.001; [95% CI] = 95% confidence interval for the mean).