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Grip strength reference values for Canadians aged 6 to 79: Canadian Health Measures Survey, 2007 to 2013
1Health Analysis Division, Statistics Canada, Ottawa, Ontario.
Background:
Grip strength is a measure of overall muscular strength and has been associated with disability, morbidity and mortality. Normative data are used to interpret an individual's grip strength measurements, but Canadian reference values are not available for a wide age range.
Data And Methods:
The data pertain to 11,108 respondents aged 6 to 79 to the 2007-to-2013 Canadian Health Measures Survey, whose right-hand and left-hand grip strength were measured with a handgrip dynamometer. Quantile regression was used to develop reference equations for males and females for maximum, right-hand and left-hand grip strength for selected percentiles as a function of age, height and weight.
Results:
Reference values for grip strength increased through childhood and adolescence, peaked around age 40, and then declined. Reference values were higher for males than for females; differences between the sexes were smaller during childhood than in adolescence and adulthood. Differences between reference values for maximum, right-hand and left-hand grip strength varied by age and sex.
Interpretation:
Based on a large, healthy, nationally representative sample, reference equations were developed for grip strength of Canadians from childhood to older adulthood. These equations can be used to determine the reference values that correspond to an individual of a given age, sex, height and weight.
