Table 3.

Univariable and multivariable regression models for under-surveillance compared to appropriate surveillance

	Total Number (N) N=75	Unadjusted OR (95% CI)	Mutually Adjusted OR (95% CI)
Male Sex	56 (74.7%)	2.39 (1.20–4.75)	2.55 (1.01–6.45)
Age at last endoscopy (per 10 years)	59.8 ± 15.2	0.90 (0.74–1.22)	0.74 (0.54–0.90)
Caucasian Race	67 (89.3%)	0.59 (0.18–1.89)	—
Michigan referring provider for second endoscopy			—
University of Michigan GI	52 (70.3%)	Ref
University of Michigan PCP	22 (29.7%)	0.55 (0.28–1.08)
BMI > 30 kg/m2 (n=140)	24 (36.9%)	0.60 (0.31–1.18)	0.39 (0.15–0.99)
Long segment BE (n=136)	17 (26.2%)	3.84 (1.41–10.5)	6.03 (1.76–20.6)
Family History of EAC (n=151)	2 (2.7%)	0.67 (0.11–4.11)	—
Year of 2nd Endoscopy			—
2002–2005	13 (17.3%)	Ref
2006–2011	62 (82.7%)	0.81 (0.33–1.98)
>2012	0 (0%)	—
Household Income	N=66		—
$19,000–$45,000	13 (19.7%)	Ref
$45,001–$57,600	14 (21.2%)	1.08 (0.35–3.32)
$57,601–$74,000	19 (28.8%)	0.70 (0.26–1.91)
$74,001–142,000	20 (30.3%)	0.60 (0.23–1.63)
Charlson Comorbidity Index
0	35 (46.7%)	Ref	Ref
1	17 (22.7%)	1.17 (0.53–2.54)	1.86 (0.69–5.04)
≥2	23 (30.7%)	3.94 (1.58–9.84)	4.32 (1.25–14.9)
Distance to UM (n=145)
1 mi – 13 mi	18 (25.0%)	Ref	Ref
14 mi – 23 mi	28 (38.9%)	1.50 (0.69–3.29)	1.79 (0.67–4.77)
24 mi – 47 mi	14 (19.4%)	1.88 (0.71–4.96)	2.97 (0.88–9.98)
> 47 mi	12 (16.7%)	9.67 (1.94–48.3)	7.31 (1.18–45.2)