Saturday, January 24, 2009

The Tokelau Island Migrant Study: Gout

Gout is a disorder in which uric acid crystals form in the joints, causing intense pain. The body forms uric acid as a by-product of purine metabolism. Purines are a building block of DNA, among other things. Uric acid is normally excreted into the urine, hence the name.

On Tokelau between 1971 and 1982, gout prevalence fell slightly. In migrants to New Zealand, gout prevalence began at the same level as on Tokelau but increased rapidly over the same time period. Here are the prevalence data for men, from Migration and Health in a Small Society: the Case of Tokelau (I don't have data for women):

This paper found that the age-standardized risk of developing gout was 9 times higher in New Zealand than on Tokelau for men, and 2.7 times higher for women.

The Tokelau Island Migrant Study: Background and Overview
The Tokelau Island Migrant Study: Dental Health
The Tokelau Island Migrant Study: Cholesterol and Cardiovascular Health
The Tokelau Island Migrant Study: Weight Gain
The Tokelau Island Migrant Study: Diabetes
The Tokelau Island Migrant Study: Asthma

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