Table 3.

Factors associated with dentist’s provision of indirect pulp capping

Predictor variable	OR	95% CI		p value
		Lower	Upper
<Dentist’s individual characteristics>
Years since graduation from dental school*	1.02	0.99	1.05	0.250
Gender (reference: male)	1.75	0.83	3.68	0.143
<Practice characteristics>
City population (reference: non-government-ordinance-designated city)	1.18	0.63	2.20	0.608
Type of practice
Employed by another dentist	1
Self-employed without partners and without sharing of income, costs, or office space	1.66	0.75	3.68	0.213
Practice busyness (reference: not busy)	1.01	0.55	1.83	0.982
<Preference of obtaining evidence>
Internet (reference: Lower frequency)	0.79	0.42	1.50	0.472
Non-academic journal (reference: Lower frequency)	1.48	0.78	2.80	0.235
Textbook (reference: Lower frequency)	5.27	0.997	27.85	0.0504
English-language scientific articles (reference: Lower frequency)	2.28	1.14	4.54	0.019
Clinical practice guideline (reference: Lower frequency)	1.21	0.64	2.29	0.556

CI, confidence interval

Overall predictive accuracy is 64.9%

^*Continuous variable

Outcome variable: Percentages of indirect pulp capping provision (option 1) were dichotomized using the median (30%) as a cut off value.