Data from National Health and Nutrition Examination Survey (NHANES)
NHANES Health Exams Carolyn Petty-Martin Centers for Disease Control and Prevention National Center...
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NHANES Health Exams
Carolyn Petty-Martin
Centers for Disease Control and PreventionNational Center for Health Statistics
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Reception Area/CoordinatorReception Area/Coordinator
• This is where every sample person begins
• By the time a participant reaches this point, the household interview is complete and data are accessible on computer in the MEC
• Each session: 10 survey participants
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Vision Vision
•Measure prevalence of visual acuity impairment• Distance acuity by automated
refraction• Eyeglass prescription verification
(Lensometer)• Near vision acuity• Age Range: 12+
50+ near vision
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BalanceBalance
•Measure the prevalence of balance disorders
• Standard Romberg Test
• Age Range: 40 - 69
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Cardiovascular FitnessCardiovascular Fitness
• Evaluate cardiovascular fitness
• Submaximal treadmill exercise test
• Assess risk for cardiovascular disease due to sedentary habits and poor physical condition
• Age Range: 12 - 49
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Muscular StrengthMuscular Strength
• Assess physical function and musclestrength
• Knee function, strength of knee extensor and flexor muscles (torque angle, velocity)
• Age Range: 50+
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Lower Extremity DiseaseLower Extremity Disease
• Measure prevalence of lower extremity peripheral vascular disease
• Measure prevalence of lower extremity peripheral neuropathy
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Lower Extremity DiseaseLower Extremity Disease
• Measure systolic blood pressure in arm and ankle and calculate ratio of these two pressures.
• Assess sensory perception using monofilament on plantar surface of foot
• Assess prevalence of foot abnormalities (amputations, lesions, bunions)
• Age Range: 40+
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PhysicianPhysician
Present at all times to:
• Counsel participants about significant findings
• Make referrals for serious medical problems
• Deal with medical emergencies
• Measures blood pressure and pulse
• Provide pretest counseling for sexually transmitted disease tests
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• Age Range:• pulse measurement (2 months +)• blood pressure measurement (8 + )• pretest counseling (14 - 49)
PhysicianPhysician
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• Participants have blood samples drawn
• Age Range: 1+
Phlebotomy Phlebotomy
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AudiometryAudiometry
Assess the hearing status of the adult population
• Otoscopy – physical examination outer ear
• Tympanometry – assessment of compliance of eardrum
• Pure-tone air conduction audiometry - assess sensitivity to pure tone signals
• Age Range: 20 - 69
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DentalDental
Estimate prevalence of oral disease
• Visual inspection of surfaces and gums
• Examination for caries, periodontal disease and soft tissue lesions
• Assessment of flurosis and type of dental restorations
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DentalDental
• Orofacial and other pain assessments
• Assessment of traumatic orofacial injuries
• Age Range: measurement varies with age- 3+
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Anthropometry Anthropometry
• Collect data on obesity and overweight
• Monitor patterns of growth and development in children
• Measurements include height, weight, lengths, breadths, girths, (or circumferences) and skinfolds
• Age Range: all ages
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DXA (dual energy X-rayDXA (dual energy X-rayabsorptiometry)absorptiometry)
BIA (bioelectrical impedance BIA (bioelectrical impedance analysis)analysis)
• Two related components that assess body composition and are used to estimate prevalence of overweight and obesity
• DXA allows estimates to be made on the prevalence of osteoporosis and osteopenia
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DXA (dual energy X-ray DXA (dual energy X-ray absorptiometry)absorptiometry)
BIA (bioelectrical impedance BIA (bioelectrical impedance analysis)analysis)
• Age Range: DXA – 8+
BIA – 8 - 49
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DermatologyDermatology
Estimate prevalence of eczematous dermatitis and psoriasis
• Digital photographs of the skin excluding face (back, hands, back of legs, upper underarm)
• Digital camera – 6 million pixels
• Images stored DVD
• Reading by Dermatologist
• Age Range: 20 - 59