Table 3.

Summary for linear mixed model fit to perceived competence scores.

Variable	Estimated regression coefficient (difference in rankings)	Standard error	95% confidence interval	P
Male vs. female model	0.06	0.02	(0.02, 010)	0.005
No lab coat vs. with white lab coat	−0.32	0.03	(−0.38, −0.27)	0.000
Surgical scrubs vs. business casual (with white lab coat)	0.01	0.03	(−0.05, 0.07)	0.723
Surgical scrubs vs. business casual (no lab coat)	−0.28	0.04	(−0.35, −0.20)	0.000
Male vs. female respondent	−0.09	0.06	(−0.22, 0.05)	0.200
Respondent income	0.03	0.02	(−0.01, 0.07)	0.111
Age of respondent (10-year increase)	−0.06	0.02	(−0.10, −0.02)	0.002
Caucasian vs. URG respondent	0.37	0.12	(0.12, 0.60)	0.002
Dog vs. cat as pet	−0.14	0.09	(−0.33, 0.04)	0.133
Other type of pet vs. dog/cat as pet	−0.26	0.17	(−0.58, 0.06)	0.122

URG, Under-represented groups (all groups except non-Hispanic/Latino white respondents).