The purpose of this study was to examine sex differences in subjective symptoms of fatigue (SSF) in high school and college students by considering the relationship between subjective feeling of fatigue and life habits.
A questionnaire on SSF (54 items), dealing with subjective feeling of fatigue and life habits (frequency of exercise, going to sleep, waking in the morning and physical condition) was administered to 5622 healthy students aged 15-20 yr, and data of 5335 properly completed questionnaires was analyzed.
The following was determined :
1) Sex differences were confirmed in most SSF items. SSF complaints for females was generally higher than that of males.
2) The relationship between SSF and the age was low in both sexes.
3) Subjective feeling of fatigue is somewhat related to SSF.
4) The going to sleep last night influence on SSF was different in both sexes and related largely to the next day SSF in males.
5) Waking this morning and today's physical condition are related to SSF in both sexes.
6) In males, the influence of exercise habits on SSF regarding drowsiness is relatively large.