Physician Perceptions on Colonoscopy Quality: Results of a National Survey of Gastroenterologists

Table 6

Physician perceptions about colonoscopy surveillance recommendations*.

		Patient preference	Adequacy of the preparation	Difficulty of the procedure	Financial incentives	Malpractice concerns
Sex	𝑃	0.658	0.007	0.821	0.262	0.128
	𝜂^2∗∗	0.001	0.057	0.000	0.009	0.015
Years in practice	𝑃	0.401	0.741	0.091	0.625	0.001
	𝜂^2	0.005	0.001	0.022	0.002	0.073
GI board certification	𝑃	0.981	0.549	0.224	0.036	0.691
	𝜂^2	0.000	0.003	0.011	0.032	0.001
Practice setting	𝑃	0.004	0.328	0.489	0.110	0.002
	𝜂^2	0.062	0.007	0.004	0.018	0.067
Productivity bonus	𝑃	0.343	0.690	0.852	0.372	0.148
	𝜂^2	0.007	0.001	0.000	0.006	0.014
Colonoscopy volume	𝑃	0.991	0.859	0.751	0.260	0.038
	𝜂^2	0.002	0.010	0.015	0.037	0.069
Receive quality feedback	𝑃	0.415	0.728	0.490	0.100	0.185
	𝜂^2	0.005	0.001	0.004	0.019	0.012

∗The root of each question was as follows. “Rate how often you shorten a surveillance recommendation based on…never, rarely, sometimes, usually or always?”
∗∗Eta squared (𝜂²) represents the proportion of the variance in the dependent variable that can be explained by the variance in the independent variable.