The purpose of this study was to examine the incidence of anorexia nervosa and bulimia nervosa among patients in primary care and to evaluate the impact of urbanization, age and sex differences, and changes over time.
During 1985-1989,58 general practitioners, trained in diagnosing eating disorders, registered all of their patients who had diagnoses of anorexia nervosa and/or bulimia nervosa according to strict criteria.
The study population (N=151,781) was 1% of the population of the Netherlands ; the distribution of sexes, ages, geographical locations, and degrees ofurbanization in the study group was representative of the Dutch population.
Main outcome measures were rates of newly detected cases and age-adjusted rate ratios.
The crude annual incidence rate of detected cases in primary care per 100,000 person-years was 8.1 for anorexia nervosa and 11.5 for bulimia nervosa.
The incidence of bulimia nervosa was lowest in rural areas, intermediate in urbanized areas, and highest in large cities ; no rural-urban differences for anorexia nervosa were found.
Over the 5-year period, there was no time trend in the incidence of anorexia nervosa, but the incidence of bulimia nervosa tended to increase.
The incidence rates of eating disorders-as defined by detection rates in primary care-are higher than previously reported.
Urbanization seems to be a risk factor for bulimia nervosa but not for anorexia nervosa.
Mots-clés Pascal : Anorexie mentale, Boulimie, Trouble comportement alimentaire, Etude longitudinale, Incidence, Epidémiologie, Pays Bas, Europe, Mode de vie, Urbanisation, Age, Sexe, Environnement social, Facteur risque, Diagnostic, Homme, Santé mentale
Mots-clés Pascal anglais : Anorexia nervosa, Bulimia, Eating disorder, Follow up study, Incidence, Epidemiology, Netherlands, Europe, Life habit, Urbanization, Age, Sex, Social environment, Risk factor, Diagnosis, Human, Mental health
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 95-0513935
Code Inist : 002B18C01A. Création : 01/03/1996.