Relationships between a walk test, body size and metabolic risk among a New Zealand Māori community

Annals of Human Biology
Elaine RushDavid Simmons

Abstract

Programmes to prevent or delay chronic disease incorporate promotion of physical activity, particularly walking. The objective of this study was to test the associations of the ability to walk quickly with measures of adiposity and metabolic risk including dysglycaemia. Participants (3209), without known diabetes, in a lifestyle trial undertook a 4-minute walk test (4MWT) following measurements of fasting lipids, 75 g oral glucose tolerance test, anthropometry and blood pressure. Lower socio-economic status was defined by possession of a 'community services card' (CSC). Dysglycaemia (diabetes, impaired glucose tolerance and impaired fasting glucose) and metabolic syndrome (MS) were defined by WHO and ATPIII criteria, respectively. Controlling for age, length of the walk-course and height, distance walked during the 4MWT decreased linearly (p < 0.001) with increasing waist, body mass index, %fat mass and MS risk. On average those with dysglycaemia walked 15.2 (95% CI 9.3, 20.8) m less than 'normal' participants independent of gender. In the best-fit regression model, distance walked was associated with reduced distances walked 1.3 (1.2, 1.5) m/year of age, 0.9 (0.8, 1.1) m/kg fat, 15.7 (11.2, 19.5) m with a CSC and 8.0 (5.8,10.2...Continue Reading

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