抄録
Health examinations on 38, 477 workers working in 519 small plants and thier 9, 928 family members in western Japan were intended during 8 months from April to November 1959, but 22.8% of the former and 51.9% of the latter failed to undergo the examination. Rate of this failure was higher in the districts where especially small industries gathered, while it was low in those where many larger industries having their own health insurance schemes were situate. 964 workers corresponding to 3.2% of the examinees were found to have further minute examinations necessary. Out of these only 668 (69.3%) actually underwent that examination by which 14.4%, 34.4%, 14.9%, 30.0% and 6.3% were classed as A, B, C, D, and "no findings" respectively, according to the seriousness of the disease. Family members who underwent the mass examination were 4769, of which 234 were examined minutely with the result that 12, 44, 58, and 37 were classed as A, B, C, and D respectively. To 103 out of 215 who necessitated medical supersvision isoniazid glucuronate were given daily by an amount from 0.6 to 1.0 gram for twelve months, and examinations were done with an interval of three months. Through X-ray examinations, 17 cases of improvement (16.5%), 83 stationary cases (80.6%), 3 cases of aggravation (2.9%) were found. As to the sedimentation rate of red blood corpuscles and the change of body weight nothing notable was found. Light nausea was the main side effect.
