Table 1 Demographic characteristics and OHRQoL change from Time 1 (baseline) to Time 2 (follow-up) of study participants
From: Longitudinal measurement invariance in prospective oral health-related quality of life assessment
N | Age [yrs] | Female | OHIP-14 sum score | |||
|---|---|---|---|---|---|---|
Time 1 | Time 2 | |||||
Mean (SD) | n (%) | Mean (SD) | P-value* | |||
All | 554 | 55.3 (15.3) | 286 (51.6) | 10.5 (9.9) | 7.2 (8.0) | < .001 |
Included samples | ||||||
Hungary [15] | 62 | 54.9 (14.6) | 37 (59.7) | 13.2 (10.7) | 6.8 (10.9) | < .001 |
Germany [16] | 208 | 55.7 (15.8) | 98 (47.1) | 8.0 (7.3) | 7.0 (6.8) | .005 |
Germany [17] | 101 | 55.9 (14.6) | 56 (55.4) | 11.2 (10.6) | 5.7 (8.4) | < .001 |
Germany [8] | 123 | 54.6 (15.8) | 61 (49.6) | 8.0 (8.8) | 6.6 (7.7) | .009 |
Japan [18] | 30 | 60.8 (14.4) | 23 (76.7) | 16.0 (10.3) | 10.8 (8.8) | < .001 |
Croatia (not published yet) | 30 | 48.1 (12.7) | 11 (36.7) | 25.4 (8.1) | 12.6 (4.8) | < .001 |