Table 2.

Age, sex, distance to hospital, month and year adjusted associations with community-acquired infections

		Community- acquired bloodstream infection	Community- acquired urinary tract infection	Community- acquired pneumonia
Factors present on admission		OR	OR	OR
Race/Ethnicity (non-Hispanic White as reference)
	Non-Hispanic Black	1.59 (1.29, 1.96)	1.55 (1.35, 1.77)	1.36 (0.96, 1.93)
	Hispanic	1.19 (0.96, 1.47)	1.31 (1.15, 1.49)	0.96 (0.67, 1.37)
	Other	1.10 (0.78, 1.55)	1.14 (0.92, 1.42)	0.62 (0.31, 1.23)
	Missing	1.35 (1.04, 1.76)	1.56 (1.33, 1.83)	1.27 (0.83, 1.94)
Age (1 year increase in age)		1.014 (1.010, 1.018)	1.023 (1.020, 1.026)	1.012 (1.005, 1.019)
Male		1.45 (1.26, 1.67)	0.40 (0.37, 0.44)	1.64 (1.29, 2.09)
Distance to the hospital (<= 2 miles as reference)
	2-5 miles	0.79 (0.66, 0.95)	0.80 (0.71, 0.89)	0.81 (0.59, 1.12)
	>5 miles	0.35 (0.30, 0.42)	0.37 (0.33, 0.40)	0.49 (0.37, 0.63)
Neighborhood Median Household Income (>$75,000 as reference
	$50,001-75,000	1.70 (1.20, 2.43)	1.32 (1.07, 1.63)	1.16 (0.70, 1.92)
	$30,001-50,000	2.00 (1.42, 2.81)	1.59 (1.30, 1.94)	1.34 (0.82, 2.18)
	<=$30,000	2.28 (1.60, 3.26)	1.83 (1.49, 2.26)	1.90 (1.12, 3.20)
Primary payer
< 65 years of age	Private HMO as reference
	Medicaid	1.26 (1.02, 1.55)	1.54 (1.34, 1.76)	1.90 (1.35, 2.67)
>=65 years of age	Medicare Part A + other	0.95 (0.68, 1.34)	1.18 (0.96, 1.46)	1.12 (0.63, 1.99)
	Medicare Part A only	1.01 (0.78, 1.31)	1.39 (1.18, 1.64)	0.98 (0.63, 1.53)
	No Medicare / Private	0.79 (0.56, 1.13)	1.02 (0.82, 1.27)	1.10 (0.63, 1.99)
Comorbidity present on admission
	Diabetes	1.22 (1.04, 1.43)	1.36 (1.24, 1.50)	1.09 (0.82, 1.44)
	Renal failure	4.48 (3.86, 5.21)	2.63 (2.37, 2.91)	3.43 (2.65, 4.45)
	Malignancy	1.63 (1.36, 1.96)	1.13 (0.99, 1.28)	0.98 (0.68, 1.40)
	Transplant history	2.92 (2.07, 4.12)	2.52 (1.96, 3.25)	2.10 (1.11, 3.97)
	Substance abuse	1.14 (0.86, 1.51)	0.98 (0.79, 1.22)	2.40 (1.64, 3.50)
	Chronic dermatitis	2.81 (2.22, 3.55)	1.48 (1.22, 1.80)	0.91 (0.48, 1.71)
Charlson score	2+ vs 0,1	2.63 (2.27, 3.05)	1.58 (1.45, 1.73)	2.66 (2.08, 3.42)
Admission through the ER		7.49 (5.97, 9.41)	5.85 (5.12, 6.68)	3.73 (2.69, 5.17)