A general survey and the results of some medical investigations of the spa treatment at Ginzan Spa may be summarized as follows:
1) Of 115 persons with whom we consulted, women were larger in number, the majority of them being from 20 to 40 years old and suffering from digestive diseases.
2) The spa visitors are mostly inhabitants of Yamagata Prefecture (especially of Yamagata City), the majority being farmers.
3) 25.7% of the spa visitors come to this hot spring with a specific purpose of balneological therapy, 35.8% come for rest, 31.2% for recreation and 5.7% for the purpose of after-care.
4) Those who visit Ginzan Spa for the first time were 52.4%, the rest being those who visited this spa over two times.
Only 4.8% of them had consultation with or were under the direction of physician.
5) The length of time they stay at this spa for curative treatment is comparatively short. 56.5% of them stay for less than 5 days and 26.4% from 6 to 8 days.
6) About 69% of the spa visitors bathe 4 to 6 times a day for curative treatment, 20.4% less them 3 times and 10.6% more than 7 times a day.
7) Only 17.1% of the spa visitors drink hot spring water for curative treatment.
8) Symptoms of bathing reaction were observable in 30% of the spa visitors, though small in number and slight in degree.
9) Hot spring bathing in this spa (at 42°C for 5 minutes) is effective in lowering both the maximal and minimal blood pressure; the higher the blood pressure is, the greater the degree of lowering.
