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:
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 “poor”, “average” (reference category),
“excellent”.
chronic: Number of chronic conditions.
adl: Factor indicating whether the individual has a condition that limits activities of daily living
(“limited”) or not (“normal”).
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 10,000.
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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