Eating- and weight problems in an adolescent population
Eating problems and weight problems are partly associated, and are both common problems in adolescents. Using data from two population-based surveys, the main objective was to study sex-differences in eating- and weight problems in an adolescent population.The main ojectives of the study are adressed thorugh the following quesitons: 1) To study the prevalence of eating problems in an adolescent population 2) To study changes in the BMI-distribution in adolescents 13-18 years in the same geographical area form 1966-69 to 1995-97. 3) To assess sex-specific change in prevalence and extent of overweight and obesity in an adolescent population during 30.year . 4) To study the association between weight-problems, eating problems and psychological factors, in addition to predictors of weight change during adolescence. The follwoing conclusions are made: 1)The prevalence of eating problems in the young- HUNT population varied with the definition chosen. Unnecessary dieting was the most prevalent eating-related problem, while extreme body dissatisfaction was rare. Eating problems were more frequent in girls compared to boys. Opposed to boys, the problems increased with age in girls. 2)From 1966-68 to 1995-97 the change in the BMI-distribution in adolescents 14 -18 years showed an increased dispersion and a skewed distribution. The value of the lowest BMI-percentiles had decreased, while the value of the highest percentile had increased, more so in boys compared to girls. 3)The prevalence of overweight and obesity was 17% in the Nord Trøndelag adolescent population, independent of age and sex.. Mean BMI in girls had not increased, but both prevalence and severity of overweight and obesity had increased in the 30-years period prior to the Young- HUNT study. Interestingly, underweight had also increased, 4)Eating problems were associated with weight problems, oral control (EAT-A) was associated with underweight while food preoccupation was associated with overweight and obesity in both sexes. Low self-esteem was associated with overweight and obesity in both sexes, but no associations were found between anxiety and depression or personality and weight problems. Low degree of oral control predicted unhealthy weight increase, while high degree predicted unhealthy weight reduction in both sexes. The two first articles are published in 2002 and 2007, the two last articles are submitted for publication in 2008,but not yet accepted.