A recent report outlined the health program at the City and Country School and showed the importance of the respiratory diseases as a cause of absence. The following study was undertaken to analyze the factors that might conceivably influence the frequency of respiratory infections in schools.
During the school year 1923-1924, the school had an enrolment of 132 children, aged from 3 to 12 years. Every child was examined by the school physician, and an analysis was made of the stool and urine. In many cases roentgenograms of the chest were made. The mother of each child handed in a diet list for forty-eight hours, which was checked and discussed at the time of the examination. Information about health habits was obtained at this time from the medical and physical histories compiled by the registrar, who also filled out a special questionnaire regarding conditions in the home. A great deal