Prevalence of Childhood Obesity In Northeastern Ontario: A Cross-sectional Study

Publication: Canadian Journal of Dietetic Practice and Research
12 February 2007

Abstract

Purpose: In Canada, the incidence of childhood obesity has tripled within the past 20 years. The prevalence of obesity in the Timmins, Ontario, student population was studied to gain knowledge for program planning and resource allocation, and to compare Centers for Disease Control and Prevention (CDC) criteria with Cole’s international criteria for childhood obesity.
Methods: Anthropometric measurements of 801 students were taken. Students were chosen from randomly selected schools for each grade. Data were analyzed according to age, gender, and ethnicity. Data were also compared with other studies. Intragroup comparisons were performed using hypothesis testing for significance with the z table and chi-square test.
Results: Overweight and obesity prevalence was 28% according to CDC criteria. No statistical difference was found between genders or among ethnic groups, or between this study and other Canadian studies. In comparison with the CDC criteria, Cole’s international criteria indicated less obesity and increased overweight prevalence. These differences were not statistically significant.
Conclusions: The findings suggest that in the northern Ontario community of Timmins, the prevalence of childhood obesity is of epidemic proportions. When the findings are shared with different agencies, this study will help the health unit to take necessary public health measures to curb the epidemic.

Résumé

Objectif: Au Canada, l’incidence de l’obésité infantile a triplé au cours des 20 dernières années. La prévalence de l’obésité parmi la population écolière de Timmins, Ontario, a été étudiée pour acquérir des connaissances en vue de planifier des programmes et d’allouer des ressources, et pour comparer les critères des Centers for Disease Control and Prevention (CDC) aux critères internationaux de Cole.
Méthodes: Dans des écoles choisies au hasard, des mesures anthropométriques ont été recueillies chez 801 élèves représentant tous les niveaux. Les données ont été analysées selon l’âge, le sexe et l’origine ethnique. Elles ont aussi été comparées à celles d’autres études. Des comparaisons intragroupes ont été réalisées par test d’hypothèse à l’aide de la table z et du test du chi carré.
Résultats: La prévalence de l’excès de poids et de l’obésité se chiffrait à 28% selon les critères des CDC. Aucune différence significative n’a été observée entre les sexes ou les groupes ethniques, ni entre les données de cette étude et celles d’autres études canadiennes. Comparativement aux critères des CDC, les critères internationaux de Cole ont révélé une prévalence moindre d’obésité mais plus élevée d’excès de poids. Ces différences n’étaient pas significatives sur le plan statistique.
Conclusions: Les résultats révèlent que dans la collectivité de Timmins, au nord de l’Ontario, la prévalence de l’obésité infantile prend des proportions endémiques. Lorsque les résultats en seront transmis à d’autres organismes, cette étude aidera le service de santé à prendre les mesures nécessaires pour enrayer l’épidémie.

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Published In

cover image Canadian Journal of Dietetic Practice and Research
Canadian Journal of Dietetic Practice and Research
Volume 67Number 3September 2006
Pages: 143 - 147

History

Version of record online: 12 February 2007

Authors

Affiliations

Foyez Haque, MBBS, MHSc
Porcupine Health Unit, Timmins, ON
Alberto G. de la Rocha, MD, FRCS(C), FACS
Porcupine Health Unit, Timmins, ON
Betty Ann Horbul, BASc, RD
Porcupine Health Unit, Timmins, ON
Patricia Desroches, BSc, RD
Porcupine Health Unit, Timmins, ON
Craig Orrell, BSc, RD
Porcupine Health Unit, Timmins, ON

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