Table 2.

Multivariable logistic regression models with probability of performing any urinary diversions or any continent urinary diversions as the outcome.

	At Least One Urinary Diversion (n=5,096)			At Least One Continent Urinary Diversion (n=1,868)
	OR	95% CI	p Value	OR	95% CI	p Value
Age in years	0.96	0.95, 0.98	<0.0005	1.03	0.99, 1.07	0.16
Volume of UD		not applicable		1.20	1.16, 1.24	<0.0005
Year of certification	1.05	1.01, 1.10	0.018	1.02	0.94, 1.11	0.6
Specialty
General		reference			reference
Andrology	0.42	0.23, 0.77	0.005	0.35	0.04, 2.70	0.3
Endourology	1.00	0.76, 1.32	>0.9	1.27	0.75, 2.14	0.4
Female	1.44	1.04, 2.00	0.029	1.02	0.57, 1.83	0.9
Oncology	3.89	3.04, 4.99	<0.0005	1.36	0.94, 1.96	0.11
Urolithiasis	1.10	0.67, 1.81	0.7	1.56	0.63, 3.85	0.3
Certification
Original certification		reference			reference
1st recertification	0.80	0.64, 1.00	0.05	0.81	0.52, 1.27	0.4
2nd recertification	0.92	0.63, 1.36	0.7	0.62	0.28, 1.37	0.2
Practice area size
Less than 100,000		reference			reference
100,000 - 250,000	1.50	1.15, 1.97	0.003	0.76	0.42, 1.37	0.4
250,001 - 500,000	1.70	1.29, 2.25	<0.0005	0.84	0.47, 1.51	0.6
500,001 - 1,000,000	1.75	1.33, 2.31	<0.0005	0.90	0.51, 1.59	0.7
Over 1,000,000	1.69	1.32, 2.15	<0.0005	1.01	0.61, 1.68	>0.9
Unknown	1.62	1.22, 2.14	0.0008	0.70	0.39, 1.26	0.2
Practice type
Private vs non-private practice	0.91	0.79, 1.04	0.16	0.60	0.46, 0.78	<0.0005
Region
Northeast vs other regions	0.71	0.61, 0.82	<0.0005	0.71	0.52, 0.97	0.033

Abbreviations: OR = odds ratio, CI = confidence interval