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. Author manuscript; available in PMC: 2013 Nov 5.
Published in final edited form as: J Am Dent Assoc. 2008 Dec;139(12):1657–1666. doi: 10.14219/jada.archive.2008.0108

TABLE 4.

Multivariable analyses of factors associated with NTDC visits to EDs and POs.*

Characteristic Adjusted Rate Ratio (95% CI) for NTDC Visits to
Emergency Department Physicians’ Offices

Gender
 Female Referent Referent
 Male 0.91 (0.83, 0.99) 1.00 (0.91, 1.10)

Age
 ≤ 18 years old Referent Referent
 > 18 years old 4.20 (3.76, 4.70) 3.70 (3.31, 4.12)

Race/ethnicity
 White Referent Referent
 Native American 2.04 (1.50, 2.76) 1.58 (1.18, 2.11)
 African-American 1.71 (1.51, 1.94) 0.79 (0.68, 0.93)
 Asian/Pacific Islander 0.20 (0.10, 0.41) 0.81 (0.58, 1.14)
 Latino 0.89 (0.72, 1.11) 1.04 (0.86, 1.26)
 Other 1.41 (0.82, 2.43) 1.77 (1.14, 2.75)
 Unknown 1.06 (0.95, 1.19) 0.84 (0.75, 0.94)

DHPSA
 None Referent Referent
 Partial 1.18 (1.04, 1.32) 0.95 (0.84, 1.07)
 Entire 1.20 (1.04, 1.39) 1.33 (1.17, 1.51)

UIC
 Metropolitan Referent Referent
 Micropolitan 0.99 (0.84, 1.16) 1.00 (0.87, 1.16)
 Rural 0.72 (0.61, 0.85) 0.93 (0.81, 1.07)
*

Statistically significant findings are highlighted in bold.

Adjusted rate ratios were derived from Poisson regression models.

UIC = Urban Influence Code DHPSA = Dental Health Professional Shortage Area