RESUMO
A one-year educational program at the worksite was designed to reassess individual physical activities and acquire knowledge of hyperlipoproteinemia in workers aged 30, 35 and 40 who had increased serum cholesterol (CHO) or triglyceride (TG). A total of 420 subjects were selected in 8 yr. The mean percentage of attendance for the program consisting of measuring maximum oxygen uptake, a lecture on a healthy life, an eating-experience class and measuring serum lipid was 86, 59, 35 and 61%, respectively. The male subjects (214 subjects for 1 yr and 125 subjects for 5 yr) who had measured maximum oxygen uptake before the program and serum lipids before and after the program were studied. They were divided into three groups according to their lipoprotein phenotypes to compare the effect of the education on their blood lipid levels. In the type IIa group, the CHO value and low density lipoprotein (LDL)-CHO had decreased about 10 mg/dl at 1 yr (n = 117) and the latter remained decreased at 5 yr (n = 69). The CHO value had decreased in the type IIb group (n = 44) both at 1 (n = 44) and 5 yr (n = 25) although the TG value was decreased only at 1 yr. The average HDL value was significantly increased in the type IV group (n = 53) although the TG value was not improved in 5 yr (n = 32). The type IIb group showed an increase in BMI, increased % fat and decreased estimated maximum oxygen uptake value compared to those in the type IIa group. The number of smokers was the greatest in the type IV group. We observed different effects of the education on the blood lipid values and also different physique and life-habits among groups of three lipoprotein phenotypes in the workers before the middle age. It might be necessary to evaluate the effects of the educational program for ameliorating serum lipids in regard to the individual lipoprotein-phenotypes.
