Table 3 Association between the dentists’ and patients’ characteristics and the identified clusters—Multivariable polytomous logistic analyses (n = 3,014 dentists)

Geographic area

Lorraine

1 (reference)

–

1 (reference)

–

Alsace

1.43 (1.16; 1.77)

0.0009

2.15 (1.72; 2.68)

 < 0.0001

Champagne-Ardenne

1.55 (1.18; 2.03)

0.002

2.83 (2.14; 3.73)

 < 0.0001

Dentist’s gender

Male

1 (reference)

–

1 (reference)

–

Female

1.06 (0.87; 1.29)

0.596

1.37 (1.12; 1.69)

0.003

Number of years of practice ^a

1.01 (1.00; 1.01)

0.219

1.02 (1.01; 1.03)

0.0002

Number of patients

1.000 (1.000; 1.001)

0.004

1.000 (1.000; 1.000)

0.532

Number of procedures per patient

1.16 (1.01; 1.34)

0.041

1.17 (1.01; 1.35)

0.037

% of patients with chronic diseases

1.04 (1.01; 1.07)

0.020

1.04 (1.01; 1.08)

0.023