[Eating habits and bowel transit time].

Bowel transit times of Chokai (Akita Pref.) and Ohasama (Iwate Pref.) peoples were 34.1 and 43.9 hours, respectively, and the difference between the two populations was 0.05 less than p less than 0.10. There was no significant difference in weight of stools passed per day, and they were 191.6 g, and 174.2 g, respectively. Stool weight per excretion of Chokai people was 196.1 g and that of Ohasama people was 167.9 g, and the difference between the two was p less than 0.05. Significant negative correlation between the stool weight and the bowel transit time was observed among Chokai people, but it was not significant among Ohasama people. Dietary fiber was not analysed, but from the view point of intake frequency of each food item or food group, there were no clear differences in eating habits which affect directly to the differences of bowel habits of the two populations.