Table 3 The results of the mixed-effects multiple linear regression analysis

Intercept

385.783

0.000

Judge’s Sex

8.792

0.004

Job

0.453

0.637

Age

1.217

0.306

Facial Height

14.258

0.000001

Gingival Display

64.003

0.000000

Buccal Corridor

82.381

0.000000

Sex × Job

1.979

0.144

Sex × Age

0.789

0.503

Sex × Facial Height

1.726

0.178

Sex × Gingival Display

5.060

0.002

Sex × Buccal Corridor

3.801

0.004

Job × Age

1.298

0.277

Job × Facial Height

2.087

0.080

Job × Gingival Display

2.680

0.014

Job × Buccal Corridor

3.011

0.002

Age × Facial Height

1.433

0.198

Age × Gingival Display

2.030

0.033

Age × Buccal Corridor

0.821

0.628

Facial Height × Gingival Display

6.279

0.000001

Facial Height × Buccal Corridor

0.710

0.683