through the whole extent of the pas...

through the whole extent of the past few decades, there has been a worldwide increase in the mean material part mass index (BMI), and the percentage of over-weight and obese human frames Various studies have shown a relationship between parents' BMI and their children's BMI. In addition, studies have shown that the BMI is inversely related to physical activity, and reduc physical activity has been identified as a major factor in increasing material substance weight. Other factors that have been reported as affecting carcass mass include educational level and smoking status. Although there are studies assessing the impact of these risk factors in succession body mass, none has evaluated these factors from adolescence into adult-hood. Kvaavik and associates tracked the BMI from adolescence to adulthood in a cluster of persons and examined the meaning of identified risk factors for obesity. They also evaluated changes in lifestyle factors as predictors of adult obesity.

The research was a longitudinal tracking of a cohort of individuals from six schools in Oslo Norway above a period of 18 to 20 years. The baseline data were aggregateed during 1981 when the children were at an average age of 13 years (age range: 11 to 16 years). The data consider probableed at baseline and at follow-up in 1999 included height and weight measurements, sexual maturation, physical fitness, leisure time physical activity, and smoking status. The parents were assessed at the same times through questionnaires that included height, weight, and education of the same height The change in BMI was divided into three categories: (1) 1 to 3 BMI quartiles lower; (2) no change; and (3) 1 to 3 BMI quartiles higher.

The tracking of BMI from age 15 to 33 was high. The adolescent's BMI, the father's BMI, the subject's acknowledge leisure time physical activity, adult smoking, and sex explained a significant class of the variation of the adult BMI. The participants who had a higher BMI as an adolescent had the highest risk for having an adult BMI of 30 or greater. Participants who were in the lowest couple quartiles of BMI at adolescence were les likely to have a high adult BMI. Participants who increased their leisure time physical activity from adolescence into adulthood were les likely to be obese compared with those whose activity even was stable or decreased from one side of to the other the study period. Participants who stopped smoking during the inquiry period were more likely to have a higher BMI than those who continued to smoke

The application of mind findings suggest that adult corpse weight is directly related to adolescent carcass weight. Change in leisure time physical activity above the same time period can predict the risk for being overweight as an adult. According to the authors, the implication of this close attention is that physical activity should be emphasized during adolescence and should include the parents.

Kvaavik E et al. Predictors and tracking of material part mass index from adolescence into adulthood. Follow-up of 18 to 20 years in the Oslo Youth inquiry Arch Pediatr Adolesc Med December 2003;157:1212-18

COPYRIGHT 2004 American Academy of Family Physicians

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