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Article
October 1995

Consistent but Not the SameEffect of Method on Chronic Condition Rates

Author Affiliations

From the Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY. Dr Jessop is now with the Medical and Health Research Association of New York City Inc.

Arch Pediatr Adolesc Med. 1995;149(10):1105-1110. doi:10.1001/archpedi.1995.02170230059008
Abstract

Objective:  To determine rates of chronic physical conditions for children and youths.

Design:  Secondary analysis of the Health Examination Surveys, cycles 2 and 3, National Center for Health Statistics.

Setting:  National household survey of noninstitutionalized civilians in the United States.

Participants:  Multistage probability samples of children aged 6 to 11 years (cycle 2,1963 to 1965) and youths aged 12 to 17 years (cycle 3, 1966 to 1970), and a longitudinal subsample assessed at both times. Excludes persons with an IQ lower than 80.

Results:  Selected items from developmental and medical histories and screening physical examinations were used to classify those with chronic physical conditions. Rates ofpersons with chronic conditions are 25.2% for the children and 35.3% for the youths. Parental histories produce rates equal to or greater than 11%, and physical examinations produce rates of 15.7% for children and 22% for youths. About 4% in each cycle are identified by both screening physical examination and parental history. Little overlap occurs in identification by the two sources, accounting for the higher rates for the combined indicators. Combining data sources identifies 13% of the longitudinal subsample as having a chronic physical condition at both times.

Conclusions:  Rates of chronic physical conditions seem to be altered by combining different indicators to categorize children. For either source used alone (eg, parental report or physician screening physical examination) the estimate is similar in magnitude, but the composition of the affected group differs. These findings have major implications for research, service, and policy.(Arch Pediatr Adolesc Med. 1995;149:1105-1110)

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