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Visits to Physician Office
--------------------------

Description
~~~~~~~~~~~

a cross-section

*number of observations* : 4406

*observation* : individuals

*country* : United States

Usage
~~~~~

::

    data(OFP)

Format
~~~~~~

A dataframe containing :

ofp
    number of physician office visits

ofnp
    number of nonphysician office visits

opp
    number of physician outpatient visits

opnp
    number of nonphysician outpatient visits

emr
    number of emergency room visits

hosp
    number of hospitalizations

numchron
    number of chronic conditions

adldiff
    the person has a condition that limits activities of daily living ?

age
    age in years (divided by 10)

black
    is the person african–american ?

sex
    is the person male ?

maried
    is the person maried ?

school
    number of years of education

faminc
    family income in 10000\\$

employed
    is the person employed ?

privins
    is the person covered by private health insurance ?

medicaid
    is the person covered by medicaid ?

region
    the region (noreast, midwest,west)

hlth
    self-perceived health (excellent, poor, other)

Source
~~~~~~

Deb, P. and P.K. Trivedi (1997) “Demand for Medical Care by the Elderly:
A Finite Mixture Approach”, *Journal of Applied Econometrics*, **12**,
313-326..

References
~~~~~~~~~~

Cameron, A.C. and Trivedi P.K. (1998) *Regression analysis of count
data*, Cambridge University Press,
`http://cameron.econ.ucdavis.edu/racd/racddata.html <http://cameron.econ.ucdavis.edu/racd/racddata.html>`_,
chapter 6.

Journal of Applied Econometrics data archive :
`http://jae.wiley.com/jae/ <http://jae.wiley.com/jae/>`_.

See Also
~~~~~~~~

``Index.Source``, ``Index.Economics``, ``Index.Econometrics``,
``Index.Observations``
