The relationship between obesity index and serum dopamine-β-hydroxylase (DBH) activity, which was considered to be a useful index as a sympathetic nerve activity, was examined on 55 males and 61 females over 19 years old who lived in Shiramine-village, Ishikawa Prefecture. The results obtained were as follows. 1) Frequency of obese persons, whose obesity indexes were over +10%, in females 2) Significant negative correlation between obesity index and serum DBH activity was observed in females. However, there was no significant correlations between them in males.was significantly high, compared with that in males. 3) The serum DBH activities in the obese females under 39 years old were significantly low, compared with that in non-obese females . The serum DBH activities in nonobese females tended to decrease with age. However, in obese females, the changes of the serum DBH activities with age were not observed. These results suggests that the sympathetic nerve activity in obese females might be depressed from youth.
The present study was conducted to reveal the occupational problems of farmers during their seasonal work and their life and health conditions with a view to improving their health. The subjects were 675 farmers working in urban areas away from a rural region with a population of 9237. A questionnaire was mailed to them at the time of seasonal work and of farming and the results are presented as follows. 1. The aging of seasonal workers is advancing rapidly year by year. The main occupation they engaged in was construction (65%). The length of working hours a day was 9-10 hours in 57%. The chief objective for taking up seasonal work was: to acquire more income for daily expenses in 54% and to repay debt in 16%. Fifty-four percent of farmers were sending 80% or more of their monthly pay to their families. 2. Of 498 examinees of the health check conducted prior to their'seasonal work, 24% were found to have some disorders, and cardiovascular diseases accounted for 65.7%. In reply to questionnaire, 150 admitted having pathological histories, 36% took medicine but did not have professional advice, and 33% remained unattended. As it is hard for the farmers to receive continued health care during their seasonal work, it is necessary to provide them with better health service and surveillance as well as better working and living conditions.
In order to investigate the cause of difference in the latest death rate for uterine cancer by prefecture in Japan, relationships between the standardized mortality ratio of uterine cancer in 1979-'81 (SMR) and 23 indices in 1950-'70 and 6 indices in 1980 were studied by correlations, trends and factor analyses (varimax method), and the following results were obtained. 1) Correlation coefficients between SMR and 12 indices including the detection-rate of uterine cancer were positive and significant, and those between SMR and 3 indices were negative and significant. These correlations agreed with the relationships between the trend of age-adjusted death rate of uterine cancer and the trends of the indices with exception of persons per house-hold and public baths per population in 1950-'70, divorce rates and dwellings per population in 1965 and 1970, remarriage/marriage ratio in women and incidence rate of gonorrhea in 1970. 2) Among the partial correlation coefficients between SMR and the significant indices whose relationships of trends agreed with the coefficients, those of average temperature (1950, '60) and spontaneous fetal death rate (1960, '65, '70) were positive and significant. 3) Factor analyses were carried out with the indices used in the partial correlations excluding whose coefficients were significant (1955, '65, '70), and marriage-behaviorfactor and cleanness-factor were extracted as the first factor and the second one. Of the partial correlation coefficients, excluded the influence of the indices whose partial correlation coefficients were significant, between the factor scores and SMR, those of the first factor in 1955, '65, '70 were positive and significant, and those of the second factor in 1955, '65 negative and significant. The above results suggest that spontaneous fetal death rate and marriage-behaviorfactor in the past, in addition to prevalence of uterine cancer and temperature, relate positively to the difference in the latest death rate for uterine cancer by prefecture in Japan, and cleanness-factor negatively to this.