Table 2.

Multivariate logistic regression model of PEG tube placement among CORI users in the United States. Note: Procedure indication and geographic region were not included in the model.

Variable	Odds ratio (95% confidence interval)	p-value
Patient
Age (years)
Infant (< 1 year)	Reference
1-9	0.37 (0.32-0.43)	<0.001
10-19	0.09 (0.07-0.10)	<0.001
20-29	0.09 (0.07-0.11)	<0.001
30-39	0.05 (0.04-0.06)	<0.001
40-49	0.06 (0.05-0.08)	<0.001
50-59	0.11 (0.09-0.13)	<0.001
60-69	0.15 (0.12-0.18)	<0.001
70-79	0.24 (0.20-0.29)	<0.001
80-89	0.40 (0.33-0.48)	<0.001
≥90	0.83 (0.68-1.02)	0.08
Race/Ethnicity
White	Reference
Hispanic	1.21 (1.13-1.28)	<0.001
Black	2.24 (2.12-2.36)	<0.001
Asian/Pacific Islander	1.16 (1.02-1.32)	0.03
American Indian	1.00 (0.83-1.20)	1.0
Multiracial	1.78 (1.29-2.45)	<0.001
Unknown	1.35 (1.14-1.59)	<0.001
Sex
Female	Reference
Male	1.44 (1.39-1.50)	<0.001
Procedure
Setting
Outpatient	Reference
Inpatient	7.91 (7.56-8.28)	<0.001
Emergency	0.47 (0.07-3.36)	0.5
Unknown	3.07 (2.92-3.24)	<0.001
Fellow involvement	2.09 (1.98-2.20)	<0.001
Endoscopy Site
Type
Community/HMO1	Reference
Academic	0.92 (0.87-0.97)	0.004
VA2/Military	0.66 (0.62-0.71)	<0.001
Provider
Sex
Female	Reference
Male	0.67 (0.64-0.71)	<0.001
Unknown	0.95 (0.81-1.12)	0.5
Race/Ethnicity
White	Reference
Asian/Pacific Islander	1.57 (1.49-1.65)	<0.001
Hispanic	0.81 (0.70-0.93)	0.003
Black	1.03 (0.75-1.41)	0.9
American Indian	0.35 (0.05-2.50)	0.3
Unknown	0.90 (0.85-0.94)	<0.001
Specialty
Gastroenterology	Reference
Pediatric gastroenterology	0.90 (0.77-1.04)	0.1
General practitioner/pediatrician	1.05 (0.88-1.25)	0.6
Surgery	6.69 (6.18-7.24)	<0.001
Other	3.22 (2.63-3.94)	<0.001
Unknown	1.41 (1.18-1.69)	<0.001
Years since medical school graduation
3-9	Reference
10-19	0.98 (0.92-1.05)	0.5
20-29	0.79 (0.73-0.84)	<0.001
30-39	0.67 (0.62-0.73)	<0.001
40-49	0.73 (0.66-0.82)	<0.001
Unknown	0.76 (0.66-0.88)	<0.001

¹HMO: Health maintenance organization.

²VA: Veterans Administration.