Abstract
BackgroundEpidemiological data on obesity prevalence are scarce in Romanian population. Consequently, the aim of our study was to evaluate the prevalence of obesity and unhealthy behaviors among school children and adolescents from Bucharest, Romania.MethodsCross-sectional study, 866 participants (53.2% girls, 46.8% boys, age range 6–18 years), selected by systematic sampling with probability-proportionate-to-size from all Bucharest’s schools.Measurements: height, weight and a questionnaire to collect information about life style and eating behavior. Nutritional status was established based on World Health Organization recommendations (WHO), International Obesity Task Force (IOTF), Center for Diseases Control (USA-CDC) cut off values and local standards, respective.ResultsThe prevalence of overweight (including obese) and obesity alone based on different standards, was 31.6% and 11.4% (WHO), 24.6% and 6.2% respectively (IOTF), 25.2% and 10% (USA-CDC), 22.3% and 12.5% (local standards). When using local standards (weight only based), the obese subjects proportion among overweight children raised questions regarding the appropriateness of these standards. Overweight (including obese) prevalence was significantly higher among the boys versus girls: 36.2% vs. 27.6%, ( OR 1.5; 95% CI 1.12-2.03; p value = 0.006) and among the 6–10.9 years vs. 11–17.9 age group, (40.7% vs 26.6%). Almost all the participants (95%) reported at list one unhealthy eating behavior but no significant relationship was found with overweight or obesity only.ConclusionsThis first epidemiological study of obesity prevalence in school children and adolescents showed that 11.4% of Bucharest’s children and adolescents were obese by WHO classification, 6.1% by IOTF cut off values and 10% by CDC classification. Younger children and the boys were more affected no matter which standard we used. In spite of unsignificant relationship to the adiposity status, our data showed a high prevalence of unhealthy eating behaviors reported by the participants. Particular aspects of the overweight versus obesity prevalence, after applying local standards, suggests that international recognized algorithms should be used for constant epidemiological evaluation instead of establishing local criteria.
Highlights
Epidemiological data on obesity prevalence are scarce in Romanian population
The reasons students did not participate in the study were as follows: (a) the subject was absent on the day of evaluation (106 subjects); (b) the parents did not agree with the study (8 for any kind of evaluation and 180 for the eating behavior and lifestyle evaluation only)
The analysis was performed on 866 children and adolescents (78% of 1,108) who were representative of the Bucharest school population (461 girls and 405 boys)
Summary
Epidemiological data on obesity prevalence are scarce in Romanian population. The aim of our study was to evaluate the prevalence of obesity and unhealthy behaviors among school children and adolescents from Bucharest, Romania. Childhood overweight and obesity have reached epidemic proportions in most industrialized countries [1,2]; this aspect is mirrored by a similar phenomenon in the scientific papers on this topic, at least in some countries. Obese children report a lower quality of life and demonstrate more negative self-perceptions, decreased self-worth, increased behavioral problems, and lower perceived cognitive ability [8]. For children who remain obese into young adulthood, life expectancy can be shortened by as many as 20 years and all the associated co morbidities will increase the medical expenses [7,9]. Prevention of childhood overweight is very important but prevention strategy has to be supported by accurate epidemiologic data [1,2]
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