Table A.
Descriptive Statistics of Adults Age 25 Years and Older Who Had a Usual Source of Care
| Patient Characteristics | Had USC and at Least One Visit (N = 19,172) | Given Instruction (N = 15,140) | Given Forms to Fill Out (N = 11,562) | |||
|---|---|---|---|---|---|---|
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| Mean | Standard Error | Mean | Standard Error | Mean | Standard Error | |
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| Year | ||||||
| 2011 | 0.253 | 0.006 | 0.251 | 0.006 | 0.251 | 0.007 |
| 2012 | 0.238 | 0.004 | 0.241 | 0.004 | 0.241 | 0.005 |
| 2013 | 0.261 | 0.004 | 0.261 | 0.005 | 0.257 | 0.006 |
| 2014 | 0.248 | 0.006 | 0.247 | 0.007 | 0.251 | 0.007 |
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| Gender | ||||||
| Female | 0.427 | 0.004 | 0.424 | 0.004 | 0.414 | 0.005 |
| Male | 0.573 | 0.004 | 0.576 | 0.004 | 0.586 | 0.005 |
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| Age | ||||||
| 25–44 | 0.252 | 0.006 | 0.241 | 0.007 | 0.262 | 0.007 |
| 45–64 | 0.443 | 0.007 | 0.447 | 0.008 | 0.447 | 0.009 |
| 65–74 | 0.192 | 0.005 | 0.196 | 0.005 | 0.188 | 0.006 |
| 75+ | 0.113 | 0.005 | 0.116 | 0.005 | 0.102 | 0.005 |
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| Marital status | ||||||
| Married | 0.645 | 0.008 | 0.647 | 0.008 | 0.662 | 0.009 |
| Widowed | 0.083 | 0.003 | 0.082 | 0.003 | 0.073 | 0.003 |
| Divorced | 0.134 | 0.004 | 0.136 | 0.005 | 0.130 | 0.005 |
| Separated | 0.018 | 0.001 | 0.017 | 0.001 | 0.016 | 0.002 |
| Never married | 0.120 | 0.004 | 0.117 | 0.005 | 0.119 | 0.005 |
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| Education | ||||||
| No high school | 0.086 | 0.004 | 0.082 | 0.004 | 0.067 | 0.004 |
| High school | 0.255 | 0.006 | 0.248 | 0.007 | 0.229 | 0.007 |
| Some college | 0.288 | 0.005 | 0.292 | 0.006 | 0.285 | 0.006 |
| College degree | 0.221 | 0.006 | 0.224 | 0.006 | 0.242 | 0.007 |
| Postgraduate | 0.150 | 0.005 | 0.155 | 0.006 | 0.178 | 0.006 |
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| Race | ||||||
| NH Black | 0.089 | 0.005 | 0.086 | 0.005 | 0.078 | 0.004 |
| NH White | 0.767 | 0.010 | 0.777 | 0.010 | 0.800 | 0.009 |
| Hispanic | 0.080 | 0.006 | 0.077 | 0.006 | 0.068 | 0.005 |
| Asian | 0.044 | 0.006 | 0.041 | 0.006 | 0.037 | 0.005 |
| Others | 0.020 | 0.002 | 0.019 | 0.002 | 0.017 | 0.002 |
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| Uncomfortable speaking English | ||||||
| No | 0.972 | 0.002 | 0.974 | 0.002 | 0.981 | 0.002 |
| Yes | 0.028 | 0.002 | 0.026 | 0.002 | 0.019 | 0.002 |
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| Perceived health status | ||||||
| Excellent | 0.188 | 0.005 | 0.169 | 0.005 | 0.183 | 0.006 |
| Very good | 0.346 | 0.005 | 0.338 | 0.006 | 0.344 | 0.006 |
| Good | 0.298 | 0.004 | 0.309 | 0.005 | 0.299 | 0.006 |
| Fair | 0.127 | 0.004 | 0.137 | 0.005 | 0.130 | 0.005 |
| Poor | 0.042 | 0.002 | 0.046 | 0.002 | 0.044 | 0.003 |
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| Perceived mental health status | ||||||
| Excellent | 0.335 | 0.006 | 0.326 | 0.006 | 0.337 | 0.007 |
| Very good | 0.316 | 0.005 | 0.312 | 0.006 | 0.315 | 0.006 |
| Good | 0.257 | 0.005 | 0.266 | 0.005 | 0.254 | 0.006 |
| Fair | 0.075 | 0.003 | 0.079 | 0.003 | 0.077 | 0.003 |
| Poor | 0.017 | 0.001 | 0.018 | 0.002 | 0.017 | 0.002 |
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| Take ≥5 drugs | ||||||
| No | 0.568 | 0.006 | 0.529 | 0.007 | 0.543 | 0.008 |
| Yes | 0.432 | 0.006 | 0.471 | 0.007 | 0.457 | 0.008 |
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| Census region | ||||||
| South | 0.366 | 0.013 | 0.363 | 0.013 | 0.367 | 0.014 |
| Midwest | 0.227 | 0.013 | 0.232 | 0.014 | 0.233 | 0.014 |
| Northeast | 0.213 | 0.012 | 0.209 | 0.012 | 0.207 | 0.012 |
| West | 0.194 | 0.011 | 0.196 | 0.010 | 0.193 | 0.011 |
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| Weight categories | ||||||
| Underweight | 0.012 | 0.001 | 0.012 | 0.001 | 0.013 | 0.002 |
| Normal | 0.289 | 0.005 | 0.280 | 0.006 | 0.297 | 0.006 |
| Overweight | 0.347 | 0.005 | 0.344 | 0.006 | 0.343 | 0.006 |
| Obese | 0.352 | 0.006 | 0.364 | 0.007 | 0.347 | 0.008 |
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| Insurance | ||||||
| Any private | 0.754 | 0.006 | 0.758 | 0.007 | 0.779 | 0.007 |
| Public only | 0.211 | 0.006 | 0.208 | 0.006 | 0.191 | 0.006 |
| Uninsured | 0.035 | 0.002 | 0.034 | 0.002 | 0.030 | 0.002 |
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| Income | ||||||
| Poor | 0.084 | 0.003 | 0.083 | 0.003 | 0.077 | 0.003 |
| Near poor | 0.036 | 0.002 | 0.036 | 0.002 | 0.031 | 0.002 |
| Low income | 0.108 | 0.003 | 0.103 | 0.003 | 0.096 | 0.004 |
| Middle income | 0.279 | 0.006 | 0.277 | 0.006 | 0.273 | 0.007 |
| High income | 0.493 | 0.008 | 0.501 | 0.009 | 0.523 | 0.009 |
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| Smoker | ||||||
| No | 0.861 | 0.004 | 0.861 | 0.005 | 0.868 | 0.005 |
| Yes | 0.139 | 0.004 | 0.139 | 0.005 | 0.132 | 0.005 |
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| Metropolitan statistical area | ||||||
| Yes | 0.850 | 0.016 | 0.851 | 0.016 | 0.852 | 0.017 |
| No | 0.150 | 0.016 | 0.149 | 0.016 | 0.148 | 0.017 |
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| Provider gender | ||||||
| Male | 0.691 | 0.007 | 0.685 | 0.007 | 0.679 | 0.008 |
| Female | 0.309 | 0.007 | 0.315 | 0.007 | 0.321 | 0.008 |
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| Provider race | ||||||
| NH White | 0.745 | 0.011 | 0.749 | 0.010 | 0.767 | 0.010 |
| Asian | 0.114 | 0.008 | 0.113 | 0.008 | 0.105 | 0.008 |
| Hispanic | 0.058 | 0.004 | 0.056 | 0.004 | 0.051 | 0.004 |
| NH Black | 0.036 | 0.002 | 0.034 | 0.002 | 0.033 | 0.003 |
| Others | 0.047 | 0.003 | 0.048 | 0.003 | 0.044 | 0.003 |
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| Practice location | ||||||
| Office | 0.885 | 0.006 | 0.883 | 0.006 | 0.887 | 0.007 |
| Hospital (non-ED) | 0.115 | 0.006 | 0.117 | 0.006 | 0.113 | 0.007 |
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| Provider specialty | ||||||
| General practitioner | 0.693 | 0.009 | 0.686 | 0.009 | 0.679 | 0.009 |
| Internal medicine | 0.200 | 0.008 | 0.208 | 0.008 | 0.210 | 0.009 |
| NP/PA | 0.039 | 0.004 | 0.039 | 0.004 | 0.040 | 0.004 |
| Other | 0.068 | 0.003 | 0.067 | 0.003 | 0.071 | 0.004 |
Note. Weighted mean and standard errors were estimated using the Stata's svy:proportion command. Only complete cases used in the multivariate regression analysis are used. The “Given Instruction” column reflect the estimation sample of those who answered the question of whether the instructions were easy to understand. ED = emergency department; NH = non-Hispanic; NP = nurse practitioner; PA = physician's assistant; USC = usual source of care.