Table 1.

Summary of characteristics of the NHIS, HINTS, BRFSS, and CHIS

CharacteristicNHISHINTSBRFSSCHIS
Mode of administration (2005)In-person interviewsRDD landline telephone interviewsaRDD landline telephone interviewsbRDD landline telephone interviewsc
Sample size (adults; 2005)31,4285,586328,48543,020
Overall response rate (adults; 2005)69%21%37%27%
Language of administrationEnglish, SpanishEnglish, SpanishEnglish, SpanishEnglish, Spanish, Chinese, Korean, Vietnamese
RepresentativenessNationally representative; oversamples African-American, Asian, and Hispanic respondentsNationally representative; oversamples African-American and Hispanic respondentsRepresentative of states and territories; oversampling varies by stateRepresentative of California; oversamples Korean and Vietnamese respondents
Geocoding (use restricted in some cases)Census region, census division, state, county, zip code, census block/tract, municipalityCensus region, census division, designated market area, rural urban continuum codeState, county, some metropolitan and micropolitan statistical areas (MMSA)Stratum, county, zip code, census tract, latitude, longitude, address and cross streets
Existing data linkagesNCHS-linked mortality data, Medicare enrollment and claims, Social Security benefit history; MEPSNoneNoneNone
Estimates available for researchersData briefs and Health E-statsHINTS briefs and item-specific estimatesSurveillance summariesInteractive AskCHIS
Websitewww.cdc.gov/nchs/nhis.htmhints.cancer.govhttp://www.cdc.gov/brfsswww.chis.ucla.edu

Abbreviations: MEPS, Medical Expenditure Panel Survey; NCHS, National Center for Health Statistics; RDD, random-digit dial.

  • aIn 2007/2008, HINTS was administered through RDD interviews and mailing surveys to a national address–based sample; in 2011/2012, 2012/2013, and 2013, the survey was administered through mailing to a national address–based sample.

  • bIn 2011, BRFSS added cell phones as part of their regular sample.

  • cIn 2007, CHIS added cell phones as part of their regular sample.