Measurements in the Health ABC Study

**Core Components of the Health ABC Clinic Examination and Interview by Study Year**
Clinic Examination	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Year 8&10
DEXA - whole body / hip	WB/H	WB	WB/H	WB	WB/H	WB	WB/H
Wt / ht / circumferences	X	wt	wt	wt/ht	wt	X	X
Physical performance	X			X		X	X
Exercise tolerance - LDCW	X	X		X		X	X
20-meter walks	X	X	X	X	X	X	X
Grip strength	X	X		X		X	X
Knee extensor strength	X	X		X		X	X
Blood pressure	X	X	X	X	X	X	X
ECG	X			X
Ankle-brachial blood pressure	X			X
Spirometry	X				X
Medication use	X	X	X		X	X	X
Joint evaluation		X			X	X
Cognitive function
3MS - Teng	X		X		X		X
Digit-Symbol Substitution	X				X		X
Blood / urine collection	X	X	B	B		B	X
OGTT	X
Fasting glucose/insulin	X	G		G		X	X
Cholesterol HDL/LDL/total	X			T		X	X
Triglycerides	X					X	X
Cytokines	X
HgA1c	X			X
Albumin / Creatinine	X
Blood Count			X
Interview
Physical function	X	X	X	X	X	X	X
Physical activity	X	X	X	X	X	X	X
Work / volunteer / caregiving	X	X	X	X	X	X	X
Social / intellectual activity	S					S/I	S/I
Social network	X		X
Wt hx / change / intensions	X	X	X	X	X	X	X
Appetite / diet	X	X	A	A	A	A	A
Smoking / ETOH	X		S		S		X
Sleep habits	X		X		X		X
Fatigue symptoms					X	X	X
Apathy						X	X
Depressive symptoms	X	X	X	X	X	X	X
Anxiety symptoms	X		X		X	X	X
Control beliefs / mastery	X	X	X	X	X	X	X
Dx medical conditions / sx	X	X	X	X	X	X	X
Eyesight	X		X			X	X
Finances / income / insurance	X				X
Disease & Death Adjudication	X	X	X	X	X	X	X

**Special Features - Measures and Substudies in Health ABC in Years 1 through 6**
Additional Clinic Measures	Year 1	Year 2	Year 3	Year 4	Year 5	Year 6	Funding Source
Thigh and Abdominal CT	X					X	NIDDK/NIA
Arterial Pulse Wave Velocity	X						NIA contract
Dental/Peridontal Exam		X	X				NIA contract
Knee x-ray / MRI		X	X	X	X	X	NIA/NIAMS
Vision			X				NIA contract
Acuity
Contrast sensitivity
Depth perception
Olfaction			X				NIA contract
Ultrasound of the heel		X			X		NIA contract
Literacy			X				NIA contract
Arterial Venous Blood Gas			X				NIA contract
Isometric knee strength			X		X		NIA contract
Knee extensor muscle fatigue			X				NIA contract
Audiometric Testing					X		NIA contract
Ankle Strength				X			NIA contract
Executive Control Function			X		X		NIA contract
Peripheral Neuropathy				X			NIA contract
Monofilament
Peroneal nerve conduction
Vibration perception
Sit and Reach Flexibility						X	NIA contract
Substudies
Energy Expenditure		X	X				NIDDK
Doubly-labeled water
Resting metabolic rate
Bereavement	X	X	X	X	X	X	NIA contract
Cognitive Vitality			X		X	Year 7	NIA contract
Selective Reminding Test
Salthouse battery
Personality
Social / Intellectual activity
Weight Change			X	X			NIA contract

Descriptions of the clinical examinations, measurements and substudies can be found on the Health ABC web page.

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