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Coding NCHS Survey Questions on Disability using the International Classification of Functioning, Disability, and Health. Gerry E. Hendershot, Ph.D. Consultant on Disability and Health Statistics. Overview. International Classification of Functioning, Disability, and Health (ICF)
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Coding NCHS Survey Questions on Disability using the International Classification of Functioning,Disability, and Health Gerry E. Hendershot, Ph.D. Consultant on Disability and Health Statistics
Overview • International Classification of Functioning, Disability, and Health (ICF) • United Nations reporting categories • Illustrations of coding NCHS survey questions to ICF categories • Summary of NCHS survey coverage of ICF/UN categories
The ICF • Approved by World Health Assembly • Available in six official languages • Searchable Web and CD versions • www.who.int/icidh
Body function&structure (Impairment) Activities (Limitation) Participation (Restriction) Environmental Factors Personal Factors Health Condition (disorder/disease)
ICF Classification Part 1: Functioning and Disability Part 2: Contextual Factors Parts Activities and Participation Body Functions and Structures Environ-mental Factors Personal Factors (Not covered) Components Item levels: 1st 2nd 3rd Item levels: 1st 2nd 3rd Item levels: 1st 2nd 3rd Domains and categories at different levels
d4500, Walking short distances • d450, walking: Moving along a surface on foot, step by step, so that one foot is always on the ground, such as when strolling, sauntering, walking forwards, backwards, or sideways. • d4500, walking short distances: walking for less than a kilometre, such as walking around rooms or hallways, within a building or for short distances outside.
1. Seeing, even with glasses 2. Hearing, even with aid 3. Speaking, includes talking 4. Moving/mobility, includes walking, climbing, standing 5. Body movement, includes reaching, crouching, kneeling 6. Gripping/holding, includes using fingers to grip objects 7.Learning, including intellectual difficulties, retardation 8. Behavioral, includes psychological, emotional 9. Personal care, includes bathing, dressing, feeding UN disability categories
NHIS on walking • By yourself and without using aids, do you have any difficulty walking a quarter of a mile (that is about 2 or 3 blocks)? [ If yes] How much difficulty do you have, some, a lot, or are you unable to do it?
NHANES on walking • By yourself and without anyspecial equipment, how much difficulty do you have walking for a quarter of a mile [that is about 2 or 3 blocks]? No difficulty, some difficulty, much difficulty, unable to do?
b230, hearing functions • Sensory functions relating to sensing the presence of sounds and discriminating the location, pitch, loudness and quality of sounds. Inclusions: functions of hearing, auditory discrimination, localization of sound source, lateralization of sound, speech discrimination; impairments such as deafness, hearing impairment and hearing loss
LSOA on hearing • Do you NOW have deafness in both ears? Deafness in one ear? Any other trouble hearing with one or both ears?
NNHS on hearing • Does … have any difficulty in hearing (when wearing a hearing aid)? Is …”s hearing (when wearing a hearing aid) partially, severely, or completely impaired, as defined on this card? Deaf: “can hear only a few words a person says or loud noises.”