Table 2:

Mean Testing Likelihood score and associations with clinician characteristics on bivariable analysis. The likelihood test score is the average of 4 individual testing scores provided by the respondent.

Variable	Participants	Mean Testing Likelihood Score, % (SD)	P-value*
All	All (n=552)	55 (19)
Age (years)	<30 (n=171)	54 (17)	0.35
	30–39 (n=208)	54 (20)
	≥40 (n=167)	56 (20)
Study Site	Pacific northwest (n=112)	45 (17)	<0.01
	Mid-Atlantic (n=304)	57 (19)
	Texas (n=136)	58 (19)
Degree and training	MD or DO resident (n=289)	54 (19)	<0.01
	MD or DO attending (n=202)	54 (20)
	NP or PA (n=61)	63 (18)
Type of post-graduate training (MDs and DOs)	Internal Medicine (n=335)	52 (19)	0.04
	Family Medicine (n=142)	56 (19)
Years in Practice (since graduation)	<3 years (n=239)	53 (18)	0.17
	3–9 years (n=160)	55 (19)
	10+ years (n=145)	57 (20)
Ever sued for malpractice	Yes (n=31)	53 (16)	0.63
	No (n=520)	55 (19)
Numeracy Score	Low (n=64)	59 (18)	<0.01
	Medium (172)	58 (21)
	High (n=306)	52 (18)
Risk Taking Score	Low (n=162)	55 (18)	0.60
	Medium (n=201)	55 (21)
	High (n=189)	54 (18)
Fear of Malpractice	Low (n=189)	53 (20)	0.03
	Medium (n=176)	54 (19)
	High (n=183)	58 (18)
Medical Maximizer-Minimizer Scale	Low (n=169)	49 (20)	<0.01
	Medium (n=212)	55 (18)
	High (n=164)	60 (18)
Burnout Score	Very low (n=77)	58 (17)	0.26
	Low (n=277)	54 (19)
	Medium or High (n=190)	55 (20)
The Revised Physicians’ Reactions to Uncertainty Scales
Stress from uncertainty subscale	Low (n=202)	54 (19)	<0.01
	Medium (n=218)	53 (19)
	High (n=128)	59 (20)
Concern about bad outcomes subscale	Low (n=172)	53 (19)	<0.01
	Medium (n=185)	52 (19)
	High (n=194)	59 (19)
There is often uncertainty in the practice of medicine	Disagree / agree slightly (n=131)	62 (20)	<0.01
	Agree moderately (n=188)	53 (19)
	Agree strongly (n=232)	52 (18)

^*p-values are based on ANOVAs, for comparisons across the category