Dentists’ Perception and Clinical Use of Preformed Metal Crowns to Restore Primary Molar Defects in Chengdu City, China: A Cross-Sectional Study

Table 1

Demographic characteristics of the studied dentists and the association with the use of PMCs.

	n (%)	Univariate		Multivariate
		OR (95% CI)		OR (95% CI)
Gender				—
Male	179 (39.8)	0.716 (0.471~1.088)	0.117
Female	271 (60.2)	1.000
Age (year)				—
<30	91 (20.2)	1.156 (0.376~3.554)	0.801
30-39	222 (49.3)	1.300 (0.447~3.784)	0.630
40-49	119 (26.5)	0.876 (0.288~2.663)	0.816
≥50	18 (4.0)	1.000
Academic qualification
Junior college degree and below	71 (15.8)	0.149 (0.061~0.367)	<0.001	0.094 (0.033~0.267)	<0.001
Bachelor degree	301 (66.9)	0.648 (0.389~1.080)	0.096	0.674 (0.385~1.181)	0.168
Master degree and above	78 (17.3)	1.000		1.000
Working specialty
General dentist	361 (80.2)	0.307 (0.171~0.550)	<0.001	0.299 (0.158~0.565)	<0.001
Other dental specialist	35 (7.8)	0.200 (0.075~0.537)	0.001	0.434 (0.144~1.307)	0.138
Pediatric dental specialist	54 (12.0)	1.000		1.000
Professional title				—
Resident doctor	247 (54.9)	0.894 (0.393~2.032)	0.789
Attending doctor	171 (38.0)	1.529 (0.666~3.507)	0.317
Association senior doctor and above	32 (7.1)	1.000
Working experiences (year)
0-9	164 (36.4)	3.756 (2.026~6.964)	<0.001	3.807 (1.994~7.271)	<0.001
10-19	183 (40.7)	2.276 (1.224~4.234)	0.009	2.244 (1.174~4.289)	0.015
≥20	103 (22.9)	1.000		1.000
Nature of working units
Private dental clinic/hospital	236 (52.4)	0.566 (0.292~1.097)	0.092	1.242 (0.577~2.676)	0.579
Dental department in public general hospital	171 (38.0)	0.451 (0.226~0.901)	0.024	0.670 (0.313~1.436)	0.303
Public specialized dental hospital	43 (9.6)	1.000		1.000

OR: odds ratio. 95% CI: 95% confidence interval. ; ; .