We conducted two questionnaire surveys targeting vocational college students in Sapporo, We examined how their attendance at nutritional lectures and practicum affects their BMI, mental health, and health habits one year after. The first questionnaire survey was conducted in April 2003 with 182 new students, and the second one in June 2004 with 108 who promoted to the 2nd grade. The categories inquired were health habits (including intake frequency by food groups, dietary behaviors, daily physical activity, sleep), dietary environment (accessibility to food and health information), interests in foodtaking, self rated health, BMI and basic attributes. For the index of mental health, GHQ-28 was used. The response rate was 100%. Compared with the first year, the results of the second one showed improvements in health habits (such as nutritional balance and daily physical activities), dietary environment (such as accessibility to food and health information), interests in food-taking, and mental health (especially in social activities). On the other hand, there was no notable improvement in dietary behaviors or BMI. Some health-related indexes also showed the improvement among the students who have obtained credits in the nutritional lectures and practicum. These findings suggest the importance of introducing nutritional lectures and practicum among vocational college students, since they are expected to be "experts" in the area of health and social welfare in the near future. Follow-up surveys will be needed to see whether and how the habits be sustained in the future.
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