DIET INVESTIGATION OF DUST EXPOSURE WORKERS INHONG KONG AND THE EFFECTS OF NUTRITIONON LUNG FUNCTION / 营养学报

ABSTRACT

417 employees of construction and quarry site at 8 quarry companies were investigated in Hong Kong. All the respondents were interviewed with a diet questionnaire which included the following foods a) meat; b) liver; c) lung; d) blood; e) fish and shellfish; f) eggs; g) fresh fruits; h) beans and peas; i) carrots; j) leafy green vegetables; k) milk and ic-ecream; 1) cream and butter; m ) fried foods; n ) margarine; o) lard; p) whloe wheat. Each subjects lung function was measured by Vitalograph as the machine which recorded the measure value, predict value according to the six, age and hight of the subject. FYCC (FVC meaure value/FVC predict value), FEV1 (FEV1 measure value/FEV1 predict value) and FEV1- FVCM (FEVl/FVC) were used as indicators for luug function in the paper and the demarcation between normal and poor lung function was 80% for FVCC and FEV1C while 75% for FEV1FVCM of predict value. The investigation results showed that the workers could pay more attention to food and health. They selected balanced diet and took more high-protein, high-vitamins and high-fiber foods such as fish, vegetables and fruits while high-fat or high-cholesterol foods such as animal viscera and lard were less taken. The results of Chi-squre analysis for dietary intake and lung function showed1) None of the differences of food intakes between normal and poor FVCC reached statistical significance; 2) There were si-gnificent differences between normal and poor FEV1C in the intakes of liver and lung (P