1988 年 47 巻 4 号 p. 403-409
Questionaires were sent to 8442 students of elementary school, junior high school and senior high school in Totsukawa Village, Amagasaki city and Yao city.
The responders were divided into three groups : frequent motion sickness, occasional and never any motion sickness.
The answers to the questionaires were classified as background factors or direct factors.
1. Among primary and junior high school students, the group with frequent motion sickness had significantly background and direct factors more than the groups with little or no motion sickness.
2. The frequent motion sickness group of primary and junior high school students had many more background factors and direct factors than did the senior high school students.
3. The factors causing motion sickness were, in general, background factors in primary and junior high school students and direct factors in senior high school students.