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National Health Interview Survey (NHIS)
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| Study Number |
S09_6901 |
| Background of Dataset |
| Purpose of the Data Set |
To provide general health statistics on the Nation's
population. |
| Criteria(s) for Inclusion/Exclusion |
Includes civilian, noninstitutionalized
population of all 50 states and the District of Columbia since
1957. |
| Age Range Included |
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| Method(s) of Data Gathering |
Face to face household interview survey conducted
continuously throughout the year. |
| Sampling Frame/Design |
National probability sample of the civilian, noninstitutionalized
population of all 50 states and the District of Columbia. |
| Limitation(s) of Study |
Large sampling errors of estimates for small populations. |
|
Year(s) Available
|
1969-Present. |
| Number of Observations |
36,000-47,000 households, including 92,000-125,000
persons. |
| Unit of Observation |
Household, Person, Doctor Visits, Hospitalizations
and Health Conditions. |
| Publisher |
National Center for Health Statistics (NCHS), CDC |
| Contact Information/Web Address |
http://www.cdc.gov/nchs.htm |
| Condition of Use |
Publicy Available. |
| Contents of Database |
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Key Linking Variables
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•Patient identifier
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•Physician identifier
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•Health facility identifier
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•Geographic identifier
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•Other identifier
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| Demographics Information |
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•Sex
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Yes. |
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•Race
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Yes. |
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•Geographic location
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•Income
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Yes. |
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•Education
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•Employment status
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•Others
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Behavioral. |
| Access/Utilization Information |
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| Unit of Utilization |
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| Source of Information |
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•Self reported
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•Parent
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•Medical provider
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•Billing/encounters
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•Other source
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| Health Insurance Information |
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•Insurance status
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•Insurance type
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•Other information
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| Health Care Utilization |
Yes. |
| >Type |
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| 1) Outpatient |
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•Date of visits
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•Number of visits
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•Referrals information
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•Specialty visits
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•Other outpatient utilization
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2) Inpatient
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•Admission/discharge dates
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•Number of admissions
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•Length of stay
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•Admission status (transfer, ER admissions...etc)
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•Discharge status
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•Other information
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3) Emergency room
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•Date of visits
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•Number of visits
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•Other information
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4) Pharmacy
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•Date of prescription
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•Drug information
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•Other information
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5) Other utilization
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•Home care services
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•Long term care
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•Other services
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| >Medical Codes |
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•CPT codes
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•ICD-9 codes
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•DRG codes
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•Other codes
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| Health Care Facility Information |
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•Location
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•Number of beds
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•Number of MDs
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•Other information
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| Physician Information |
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•Specialty
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•Name
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•License Number
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•Other information
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| Cost/Expenditure Information |
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•Unit of cost
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•Charges/costs/payments
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•Total
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•Allied and additional services
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•Pharmacy
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•Out-of-pocket payments
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•Other information
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| Other Information |
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| • |
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