Table 3 Test-retest reliability measured for the total OHIP-NL and for its seven domains: Intraclass correlation coefficients (ICCs), mean differences, and limits of agreement
ICC | Mean difference | Limits of agreement | |
|---|---|---|---|
Total OHIP-NL | 0.90 | -5.6 | -37.9 to 26.7 |
Functional limitation | 0.89 | -0.2 | -7.6 to 7.3 |
Physical discomfort | 0.78 | -1.9 | -11.3 to 7.5 |
Psychological discomfort | 0.87 | -6.1 | -6.5 to 5.4 |
Physical disability | 0.85 | -0.8 | -9.5 to 8.0 |
Psychological disability | 0.86 | -1.0 | -6.9 to 4.9 |
Social disability | 0.89 | -0.6 | -4.3 to 3.1 |
Handicap | 0.89 | -0.6 | -5.4 to 4.1 |