Relationship between waist circumference and percentage of subjects with and risk of, dysglycaemia.

Risk is expressed as an odds ratio (95% confidence intervals) compared against group 1, with adjustment for age;

**

P<0.005,

***

P<0.0001 versus group 6;

†

P<0.05 versus group 5;

‡

P<0.05 versus group 4;

§

P<0.05,

§§

P<0.005 versus group 1.