Table 1.

Adjusted effects^a of patient sex/gender and physician certainty on ordering CHD medications and tests

	Medications		Tests only (no medications)	Testsb Urgent
	Urgent	Not urgent
Model 1: all design variables without physician certainty
Patient sex/gender (woman)
Odds ratio	.57	2.42	1.53	.21
(CI)c	(.34, .96)	(.71, 8.27)	(.91, 2.58)	(.04, 1.06)
P-value	.035	.16	.11	.059
Model 2: all design variables with physician certainty
Patient sex/gender (woman)
Odds ratio	.73	2.39	1.26	.37
(CI)	(.42, 1.28)	(.69, 8.29)	(.73, 2.17)	(.07, 2.08)
P-value	.27	.17	.41	.26
Physician certaintyd
Odds ratio	1.41	.98	.79	1.57
(CI)	(1.23, 1.62)	(.76, 1.26)	(.69, .91)	(1.13, 2.18)
P-value	<.001	.88	<.001	.008
Test for interaction: patient gender x physician certainty
P-value	.97	.63	.47	.73

Notes:

^aResults shown are adjusted for all design variables, including patient characteristics (age, race, SES), provider attributes (sex/gender, experience), and priming status.

^bResults for non-urgent tests are not reported due to small cell size (n=4).

^cCI = odds ratio confidence interval

^dOdds ratios and confidence intervals for physician certainty reflect a 10-point increase in certainty on a scale of 0–100. Inverse odds ratios are available upon request.