Table 7:

Obesity-related knowledge - Multivariable Ordered Logistic Regression

	At least 3 out of 5 questions correct
	OR (95% CI)	P value
Training hours (quartile)
1st	ref	---
2nd	1.06 (0.3 – 4.2)	>0.1
3rd	0.63 (0.1 – 2.7)	>0.1
4th	0.43 (0.1 – 1.9)	>0.1
BMI class
Normal	ref	---
Overweight	3.00 (0.6 – 15.2)	>0.1
Obesity	1.75 (0.3 – 10.1)	>0.1
Overweight/Obesity previously	0.87 (0.2 – 4.0)	>0.1
Specialty
Internal Medicine/Pediatrics	ref	---
Pediatrics	0.30 (0.1 – 1.0)	0.05

OR indicates odds ratio derived from ordered (aka ordinal) logistic regression model, which assumes proportional odds between each level of the dependent variable.

Ref indicates a common reference point to which the other categories where compared to, for interpretation of results.