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LSTbook (version 0.6)

CRDS: Smoking and lung function among youths

Description

Data from the Childhood Respiratory Disease Study collected in the late 1970s to examine the effects of smoking and exposure to second-hand smoke. on pulmonary functions in youths.

Usage

data(CRDS)

Arguments

Format

A data.frame with one row for each of 645 youngsters.

  • age in years

  • FEV (forced expiratory lung volume) in liters

  • height in inches

  • sex

  • smoker whether or not the youngster smokes