Table 6 Test statistics and p-values of the relationship between dental anxiety level and variables of the participants (N = 500)
Variable | N (%) | Statistical Test | p |
|---|---|---|---|
Total number of teeth | Â | Chi-square x2 = 9.510 | 0.050*** |
 1–9 | 7 (1.4) | ||
 10–19 | 44 (8.8) | ||
 ≥20 | 449 (89.8) | ||
Had any dental filling experience | Â | Chi-square x2 = 0.809 | 0.667*** |
 No | 11 (2.2) | ||
 Yes | 489 (97.8) | ||
First dental filling | Â | Chi-square x2 = 9.558 | 0.145*** |
 <12 | 141 (28.2) | ||
 12–18 years old | 134 (26.8) | ||
 >18 years old | 111 (22.2) | ||
 Unclear | 114 (22.8) | ||
Pain during first dental filling |  | Mann–Whitney U U = 12571.000 | ≤0.001** |
 No | 334 (66.8) | ||
 Yes | 166 (33.2) | ||
Pain during current filling |  | Mann–Whitney U U = 4929.500 | ≤0.001** |
 No | 462 (92.4) | ||
 Yes | 38 (7.6) | ||
Sensation of the current filling experience |  | Kruskal–Wallis X2 = 177.224 | ≤0.001* |
 Bada | 76 (15.2) | ||
 Not badb | 224 (44.8) | ||
 Goodc | 200 (40) | ||
Postponed current appointment |  | Mann–Whitney U U = 5250.500 | ≤0.001** |
 No | 457 (91.4) | ||
 Yes | 43 (8.6) | ||
Had any restoration on tooth surfaces |  | Mann–Whitney U U = 25486.500 | 0.861** |
 No | 335 (71) | ||
 Yes | 145 (29) | ||
Application of local anesthesia |  | Mann–Whitney U U = 12847.000 | 0.014** |
 No | 427 (85.4) | ||
 Yes | 73 (14.6) | ||
Who performed the treatment? |  | Mann–Whitney U U = 18472.500 | 0.151** |
 Intern | 398 (79.6) | ||
 Lecturer | 102 (20.4) | ||
Restorative material used | Â | Chi-square x2 = 2.742 | 0.602*** |
 Amalgam | 1 (0.2) | ||
 Composite | 497 (99.4) | ||
 Glass ionomer | 2 (0.4) |