Overview of National Health and Nutrition Examination Survey
National Center for Health Statistics National Health and Nutrition Examination Survey OP96S002.
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Transcript of National Center for Health Statistics National Health and Nutrition Examination Survey OP96S002.
![Page 1: National Center for Health Statistics National Health and Nutrition Examination Survey OP96S002.](https://reader035.fdocuments.in/reader035/viewer/2022070402/56649f265503460f94c3da82/html5/thumbnails/1.jpg)
National Center for Health Statistics
National Health and Nutrition Examination
Survey
OP96S002
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National Health and Nutrition Examination
Survey (NHANES)
Objective
To assess the health and
nutritional status of adults and
children in the United States
OP96S022
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National Health and NutritionExamination Surveys
NHES I 1960-62 18-79 yearsNHES II 1963-65 6-11 yearsNHES III 1966-70 12-17 yearsNHANES I 1971-75 1-74 yearsNHANES II 1976-80 6 mo.-74 yearsHHANES 1982-84 6 mo.-74 yearsNHANES III 1988-94 2 mo. +NHANES 1999- All ages
Survey Dates Ages
OP96S025
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NHANES topics
• Cardiovascular disease
• Diabetes, lower extremity disease
• Bone status, osteoporosis
• Oral health
• Vision
• Hearing and balance
• Fitness and strengthOP96S035
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NHANES topics
• Nutrition
• Anthropometry
• Mental health
• Risk behaviors
• Reproductive health
• Environmental exposures
• Infectious diseases
OP96S036
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NHANES survey methods
Eligible population
• Civilian, non-institutionalized household population
• All states and D.C.
• All ages
OP96S030
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NHANES sample design
Oversample
• African Americans
• Mexican Americans
• Adolescents aged 12-19
• Older persons aged 60+
• Pregnant women
• Low income whites
OP96S031
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Stage 4SPs
Stage 1Counties Stage 2
Segments Stage 3
Households
OP96S017
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NHANES information flow
Advanceletter Screening In-home
interviewExam
Biologic Specimens
Lab NCHS Participant
Informed consent
OP96S032
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OP96S033
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OP96S034
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Pentop handheld computer
Pentop handheld computer
Field interviews
OP96S038
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NHANES Mobile Exam Center
OP96S041
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NHANES mobile examination centers
• Standard environment
• Standard equipment
• Standard specimen collection
• Standard staff procedures
• Automated data collection
• Minimal site-specific errorOP96S043
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NHANES Mobile Examination Center
(MEC)staff• Physician
• Dentist
• Dietary interviewers (2)
• Private health interviewers (2)
• Health technicians (3)
• Phlebotomist (1)
• Manager
• CoordinatorOP96S046
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Health Examination
•Exam duration 1-4 hours
•Remuneration $100
•Several examinations, private health interviews
•Participants receive exam findings
OP96S053
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On day of exam Preliminary report of findings; referrals
1-2 weeks Notification of
abnormal values - (letter sent by mail)
NHANES report of findings
Time after exam Report
OP96S047
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4 weeks Sexually transmitted disease test reporting (self-initiated telephone reporting, toll-free line)
12-16 weeks Final report of findings(sent by mail)
NHANES report of findings
Time after exam Report
OP96S048
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NHANES key response rates
1999 2000 2001Current
total
Interviewed 78 85 86 83
MEC examined 71 80 81 78
Percent
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ISIS architecture
h i
Household interviews Westat
home office
T1T1
NCHS
Labs&
graders
T1
MEC
64kb
Fieldoffic
e
NationalFrame Relay
Network
OP96S049
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Data release process
•QA/QC
•Editing/cleanup
•Weighting
•Data preparation
•Documentation
•Confidentiality review
OP96S053
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NHANES data dissemination
Public use files
•1999-2000 NHANES available on internet as of June 21, 2002
Plan for 2001-2002 release in 2004 and 2003-2004 release in 2006
OP96S054
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NHANES web site
http://www.cdc.gov/nchs/nhanes.htm
OP96S058
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Reports and Data Briefs 1999 NHANES
•Blood and hair mercury levels
•Blood lead levels
•Folate status in women
•Prevalence of overweight
•National report on human exposures to environmental chemicals
OP96S053