| Co-Investigator(Kenkyū-buntansha) |
ACHARYA Gopal P. Professor, Teaching Hospital, Tribhuvan University, Teaching Hospital, 教授
YOSHIMIZU Yutaka Professor, Faculty of Commerce, Kurume University, 商学部, 教授 (40220727)
ITOH Kazue Associate Professor, Nakamura Gakuen College, 助教授 (80104983)
KOBAYASHI Shigeru Professor, College of General Education, Kyushu University, 教養部, 教授 (30087150)
OGAKI Tetsuro Associate Professor, Institute of Health Science, Kyushu University, 健康科学センター, 助教授 (20101470)
SASAKI Haruka Associate Professor, Institute of Health Science, Kyushu University, 健康科学センター, 助教授 (20090863)
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| Research Abstract |
We have already investigated 4 different areas in Nepal where the people having the different life style from the medical, nutritional, morphological and physiological standpoint of view as the Japan-Nepal collaborative health scientific research. The people living in the mountain areas are said to have still taken salt tea in their life and their salt consumption is said to be more than 15g per day. The purpose of the present investigation is to find out the difference of body composition, blood pressure, blood chemistries, nutrient intakes and physical activities between the people living in the mountain areas and those who had been investigated in the past studies. The identical methods with the previous research will be applied to the present one so that we can compare the data with each other.
The subjects investigated were 173 men and 178 women aged from 20 to 84 years. Body. height and weight, skinfold thickness for estimating %fat of the body and maximal aerobic power (MAP) were
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measured. %Fat was higher in the subjects living in the mountain area than in those in the hilly and the suburban villages. However, no significant difference of MAP was found between the subjects in the mountain area and those in the hilly village in all age groups.
The following results were obtained from the nutrition survey : (1) The diet mainly consisted of rice, pulses and vegetables, and occasionally of pickles. (2) All subjects were habitually drinking salt tea, the approximate amount ranging from 1 to 3 liters per person. The concentration of salt in salt tea was considered to be 0.3-0.4%. (3) High carbohydrate diet was dominant and the protein intake was extremely low, but the fat intake was slightly lower than that of Japan. (4) Protein energy ratio was 7 %, being lower than Japanese. (5) Animal protein ratio was almost zero in most of all subjects, whereas animal fat ratio was more than 60%, most of which were taken from Tibetan tea. (6) The intakes of energy per kg of body weight were considered to be 35-45kcal, which were higher than those of Japanese.
Blood pressure (BP) was measured 3 times consecutively using the semiautomatic BP measuring device. The average of 3 consecutive measurements for systolic and diastolic BP were adopted for the analyses. The subjects were classified into 3 groups according to WHO criteria. The prevalence rates of borderline hypertension and hypertension were 14.2% and 32.5%, respectively. There was no sex difference in the classification of BP. The prevalence rates of hypertension in the mountain area was remarkably higher than those of any other previous studies. Although the high altitudes might be one of the reason for the high incidence of hypertension, further discussion concerning this matter will be necessary. Less
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