The NMES1988 dataset in the AER package contains information on the demand for medical care in the US in 1987 and 1988. Specifically it has the following columns: asexcellentâ€. (aslimitedâ€) or not (asnormalâ€). visits: Number of physician office visits. nvisits: Number of non-physician office visits. ovisits: Number of physician hospital outpatient visits. novisits: Number of non-physician hospital outpatient visits. emergency: Emergency room visits. hospital: Number of hospital stays. health: Factor indicating self-perceived health status levels are aspoorâ€ asaverageâ€ (reference category) chronic: Number of chronic conditions. adl: Factor indicating whether the individual has a condition that limits activities of daily living region: Factor indicating region levels are northeast midwest west other (reference category). age: Age in years (divided by 10). afam: Factor. Is the individual African-American? gender: Factor indicating gender. married: Factor. is the individual married? school: Number of years of education. income: Family income in USD 10000. employed: Factor. Is the individual employed? insurance: Factor. Is the individual covered by private insurance? medicaid: Factor. Is the individual covered by Medicaid?
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