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. Author manuscript; available in PMC: 2020 Feb 14.
Published in final edited form as: Res Aging. 2019 Jul 4;41(9):845–867. doi: 10.1177/0164027519860268

Table 3.

Prevalence Ratios (PR) and 95% Confidence Intervals (CIs) of Dental Services Use for the Whole Sample.

Crude Model
Multivariate Model
Variables PR [95% CI] p Value PR [95% CI] p Value
Predisposing characteristics
 Race/ethnicity (reference: White)
  Hispanics 0.62 [0.61, 0.64] <.0001 0.74 [0.72, 0.77] <.0001
  Black 0.63 [0.61, 0.64] <.0001 0.73 [0.072, 0.075] <.0001
  Other 0.83 [0.078, 0.87] <.0001 0.83 [0.79, 0.88] <.0001
 Sex (reference: male)
  Female 1.10 [1.08, 1.12] <.0001 1.15 [1.13, 1.17] <.0001
 Age polynomials
  Age 0.91 [0.85, 0.97] .0028 0.91 [0.85,0.96] .0020
  Age2 1.002 [1.001, 1.003] .0008 1.002 [1.001, 1.002] .0006
  Age3 1.00 [1.00, 1.00] .0002 1.00 [1.00, 1.00] .0002
 Married/partnered (reference: yes)
  No 0.87 [0.86, 0.88] <.0001 0.99 [0.97, 1.00] .1262
 Smoking status (reference: never smoked)
  Past smoker 0.73 [0.71, 0.75] <.0001 0.82 [0.80, 0.85] <.0001
  Current smoker 0.92 [0.90, 0.94] <.0001 0.97 [0.95, 0.98] .0003
 Birthplace (reference: U.S.-born)
  Foreign-born 0.85 [0.83, 0.88] <.0001 1.09 [1.06, 1.12] <.0001
Enabling resources
 Health insurance (reference: no)
  Yes 1.25 [1.23, 1.26] <.0001 1.15 [1.13, 1.16] <.0001
 Education (reference: ≤high school)
  ≥College 1.48 [1.45, 1.51] <.0001 1.25 [1.22, 1.27] <.0001
 Household income (reference: 0–25 K)
  25–50 K 1.22 [1.20, 1.24] <.0001 1.13 [1.11, 1.15] <.0001
  50–75 K 1.35 [1.32, 1.37] <.0001 1.21 [1.18, 1.23] <.0001
  75–150 K 1.44 [1.42, 1.47] <.0001 1.25 [1.23, 1.28] <.0001
  150 K+ 1.51 [1.48, 1.55] <.0001 1.27 [1.24, 1.30] <.0001
Need factors
 Follow-up edentulism (reference: yes)
  No 1.71 [1.63, 1.80] <.0001 1.35 [1.29, 1.41] <.0001
 Self-rated health 1.09 [1.09, 1.10] <.0001 1.04 [1.03, 1.05] <.0001
 # of chronic conditions 0.96 [0.95, 0.96] <.0001 1.00 [0.99, 1.00] .1296
 Instrumental activities of daily living (0–5) 0.94 [0.93, 0.95] <.0001 0.99 [0.98, 0.99] .0014
 Activities of daily living (0–5) 0.94 [0.93, 0.94] <.0001 0.98 [0.97, 0.99] <.0001

Note. (N = 20,488). PRs and 95% CIs were estimated from Poisson generalized linear mixed-effects models. Both crude and adjusted PRs were presented.