Eating problems and their risk factors: A 7-year longitudinal study of a population sample of Norwegian adolescent girls

The longitudinal stability of eating problems and their relationships to risk factors were investigated in a representative population sample of 623 Norwegian girls aged 13-14 followed over 7 years (3 time points). Three eating problem symptoms were measured: Restriction, Bulimia-food preoccupation, and Diet, all taken from the 12-item Eating Attitudes Test. The aim of the study was to investigate the stability of these eating problem symptoms both as separate components (as opposed to total symptom load) as well as from a syndrome perspective. Over 7 years, dieting behavior showed the highest correlational stability (0.32). Regarding stable eating problem syndromes, at all 3 time points, 1 group of girls with generalized eating problems was found, characterized by simultaneously pronounced bulimic tendencies and dieting. However, we did not establish individual stability across 7 years for this syndrome group. Through development, eating problem symptoms were associated with characteristic risk factors. Similarities and differences between findings regarding eating problems and eating disorders are discussed.