National Nursing Home Survey
Study Number	S19_99
Background of Dataset
Purpose of the Data Set	Collect information on a national sample of nursing homes and their residents
Criteria(s) for Inclusion/Exclusion	Included only nursing homes with Medicare or Medicaid certification or a state license.
Age Range Included	All ages.
Method(s) of Data Gathering	A combination of interviews and reviews of medical records.
Sampling Frame/Design	Sampling frame was all nursing homes identified in the 1997 survey, supplemented with information from Medicare. A stratified sample of nursing homes, with strata based on nursing home characteristics, was identified. Six current residents and six discharged residents were selected from each facility in the sample of nursing homes.
Limitation(s) of Study
Year(s) Available	1999
Number of Observations	8,215 current residents, 6,913 discharged residents and 1,423 nursing homes.
Unit of Observation	Nursing home, or resident.
Publisher	National Center for Health Statistics
Contact Information/Web Address	http://www.cdc.gov/nchs/about/major/nnhsd/nnhsd.htm
Condition of Use	Users must comply with the data use agreement. A copy is available in DCPM or at http://www.icpsr.umich.edu
Contents of Database
Key Linking Variables
•Patient identifier	No
•Physician identifier	No
•Health facility identifier	No
•Geographic identifier	MSA
•Other identifier
Demographics Information
•Sex	Yes
•Race	Yes
•Geographic location	MSA
•Income	N/A
•Education	N/A
•Employment status	N/A
•Others	Type of permanent residence (e.g., private home, another facility); whether or not living with family; marital status
Access/Utilization Information
Unit of Utilization
Source of Information
•Self reported
•Parent
•Medical provider
•Billing/encounters
•Other source	Chart review and interviews
Health Insurance Information
•Insurance status
•Insurance type
•Other information	Expected source of payment
Health Care Utilization
>Type
1) Outpatient	N/A
2) Inpatient	N/A
3) Emergency room	N/A
4) Pharmacy	N/A
5) Other utilization
•Home care services
•Long term care	Yes.
•Other services	Immunization status for flu, tetanus, pneumonia. Types of services provided by broad categories.
>Medical Codes
•CPT codes
•ICD-9 codes	Yes, for diagnoses
•DRG codes
•Other codes	Reason for discharge from nursing home
Health Care Facility Information
•Location
•Number of beds	Yes, by type of service.
•Number of MDs
•Other information	Type of ownership, services provided, membership in chain, certification, number of FTE staff by various categories.
Physician Information	N/A
Cost/Expenditure Information
•Unit of cost	Nursing home stay (for each resident), and per diem and basic charges for private pay residents (for each nursing home).
•Charges/costs/payments
•Total	Yes
•Allied and additional services
•Pharmacy
•Out-of-pocket payments
•Other information
Other Information
• Detailed descriptions of the type of assistance required, level of care required, aids used, impairment of vision or hearing,