Codes and Frequencies
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Description
For sample adults and sample children (and, prior to 2019, all persons), HISTATEE indicates whether a person currently had health insurance coverage from a State-sponsored health plan. The Field Representative's Manual for 1997 forward defined this type of insurance plan as "any other health care coverage run by a specific state, including public assistance programs other than 'Medicaid' that pay for health care."
The "other" in the HISTATEE definition must be interpreted as "other than" the state health care coverage plans identified in their own recoded variables in IPUMS NHIS.
[show more]HIMCAIDE (Covered by Medicaid: Recode) identifies persons who have insurance coverage through Medicaid, a state- and federally-funded program administered by state agencies. Medicaid pays for medical care for low-income families with dependent children and for aged, blind, or permanently and totally disabled individuals with incomes insufficient to meet the costs of medical care. HICHIPE (Covered by Children's Health Insurance Program: Recode) also refers to a state-administered program, which in this case uses federal funds to expand health insurance coverage to uninsured low-income children.
The names of the health care programs run by states differed from state to state, so interviewers were supplied with cards listing "State Names for Medicaid, CHIP, State-/Local-Sponsored, and Other Health Insurance Programs." These linked broad categories of insurance that were studied in the survey to recognizable public health insurance program names. For example, one of the State-sponsored health plans in place in Arkansas in 1999 was the "Arkansas Comprehensive Health Insurance Plan."
HISTATEE is a recoded variable created by the National Center for Health Statistics (NCHS) and included in the original NHIS public use data. HISTATEE, like other recoded health insurance variables in these data, is based on responses to a series of questions and by editing carried out by the NCHS.
Data Collection Process
In the survey for 1997 forward, interviewers first asked, "Are you covered by health insurance or some other kind of health care plan?" Respondents were instructed to "Include health insurance obtained through employment or purchased directly as well as government programs like Medicare and Medicaid that provide medical care or help pay medical bills." In 1997-2003 the survey form instructed interviewers to only read the preceding statement "if necessary."
Individuals who had an affirmative response to the preceding question were asked, "What kind of health insurance or health care coverage do you have?" Respondents selected the appropriate response from a card listing various types of insurance coverage.
[show more]Choices included:
- Private health insurance (2004 forward)
- Private health insurance plan from employer or workplace (1997-2003)
- Private health insurance plan purchased directly (1997-2003)
- Private health insurance plan through a State or local government program or community program (1998-2003)
- Medicare (1997 forward)
- Medi-Gap (1997 forward)
- Medicaid (1997 forward)
- CHIP (Children's Health Insurance Program) (1999 forward)
- Military Health Care/VA (1997-2003)
- Military Health Care (CHAMPUS/TRICARE/CHAMP-VA) (1997-2018)
- Military related health care: TRICARE (CHAMPUS)/VA health care/CHAMP-VA (2019 forward)
- Indian Health Service (1997 forward)
- State-sponsored health plan (1997 forward)
- Other government program (1997 forward)
- Single Service Plan (e.g., dental, vision, prescriptions) (1999-2018)
- No coverage of any type (2000 forward)
Respondents could pick more than one type of insurance and interviewers were instructed to mark all that applied.
Instructions regarding single service plans changed over time.
[show more]Respondents were consistently instructed to exclude private plans that "only provide extra cash while hospitalized." In 1997-1998 respondents were also instructed to "EXCLUDE private plans that ... pay for only one type of service (nursing home care, accidents, or dental care)." Between 1999 and 2018, "Single Service Plan" was added as a possible response, and, consequently, the instructions were changed to read, "INCLUDE those [private plans] that pay for only one type of service (nursing home care, accidents, or dental care)." Beginning in 2019, respondents were asked three separate questions to determine if they had single service plans for dental services, vision services, and/or prescriptions.
Follow-up questions collected information about the names of coverage plans and confirmed the lack of any type of coverage for the uninsured.
[show more]In follow-up questions, interviewers recorded the names of up to four private health insurance plans. If the person was reported as covered by CHIP (beginning in 2000), by a state-sponsored health plan, or by another public program (other than Medicaid) that paid for health care, the interviewer recorded the name of that plan. The placement and wording of these questions about the names of specific government health care plans varied across years.
For persons initially reported as not having health care coverage of any kind, interviewers asked whether the person had Medicare coverage, Medicaid coverage, coverage via a Medicaid program or non-Medicaid state-sponsored health insurance program with the appropriate name for the state, CHAMPUS or CHAMPVA coverage, or any private insurance. For those who acknowledged any such coverage, the interviewer repeated the series of questions mentioned above to determine the specific type of coverage.
During the course of data editing, the NCHS discovered many errors in the responses to questions about insurance coverage. Often, respondents misclassified the type of insurance they had. This might be shown, for example, by a mismatch between the verbatim name of an insurance plan and the type of insurance coverage the person selected from the categories on the card.
Accordingly, the NCHS created a series of recoded insurance variables. For these recoded insurance variables, such as HISTATEE, the data are back-edited, taking into account such factors as the proper classification of the verbatim names of insurance plans and responses to questions about why insurance coverage had stopped. The NCHS strongly advises analysts to use these recoded insurance variables as a more reliable source of information about the types of insurance coverage than is provided by respondents' original and unedited answers about their insurance type.
Related Variables[show more]
In addition to HISTATEE, IHIS contains the following recoded insurance variables: HIHSE (Covered by Indian Health Service: Recode); HIPRIVATEE (Covered by private health insurance: Recode); HIMILITE (Covered by military health insurance: Recode); HICHIPE (Covered by Children's Health Insurance Program: Recode); HIMCAIDE (Covered by Medicaid: Recode); HIMCAREE (Covered by Medicare: Recode); HISTATEE (Covered by Children's Health Insurance Program: Recode); HIOTHGOVE (Covered by other government program: Recode); and HINOTCOVE (No coverage of any type: Recode).
Comparability
The basic meaning and universe for this variable are consistent over time. Comparability may, however, be limited by changes in the questions used to gather the information used for back-editing the data, and by changes in the back-editing procedures used by the NCHS.
Comparability may also be limited by a questionnaire redesign introduced in 2019. The NHIS questionnaire was substantially redesigned in 2019 to introduce a different data collection structure and new content. For more information on changes in terminology, universes, and data collection methods beginning in 2019, please see the user note.
Universe
- 1997-2018: All persons.
- 2019-2023: Sample adults age 18+ and sample children age 0-17.
Availability
- 1997-2023
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Weights
- 1997-2018 : PERWEIGHT
- 2019-2023 : SAMPWEIGHT