Waist circumference percentiles for Canadian youth 11-18 y of age

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Abstract

Objective:

To develop age- and sex-specific waist circumference reference data for Canadian youth.

Design:

Cross-sectional population survey.

Setting:

1981 Canada Fitness Survey.

Subjects:

Nationally representative sample of 3064 youth (1540 boys and 1524 girls) 11-18 y of age.

Interventions:

Waist circumference was measured with a flexible anthropometric tape.

Main outcome measures:

Smoothed and weighted 5th, 10th, 25th, 50th, 75th, 90th, and 95th waist circumference percentiles derived from LMS regression.

Results:

Waist circumference increases with age in both boys and girls, and boys have higher values of waist circumference than girls at every age and percentile level.

Conclusions:

These reference data can be used to identify youth with an elevated risk of developing obesity-related disorders and can serve as a baseline for future studies of temporal trends in waist circumference.

Sponsorship:

This research was funded by the Heart and Stroke Foundation of Ontario (Grant #T4946).

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