Table 3 Odd ratios for the prevalence of metabolic syndrome components according to rheumatoid factor quartiles

Q2

OR

1.939 (1.739,2.162)

1.486 (1.345,1.642)

1.403 (1.266,1.555)

0.337 (0.298,0.382)

1.004 (0.906,1.112)

P

 < 0.001

 < 0.001

 < 0.001

 < 0.001

0.944

Q3

OR

2.552 (2.287,2.848)

1.829 (1.651,2.025)

1.007 (0.907,1.118)

0.500 (0.442,0.564)

0.968 (0.871,1.075)

P

 < 0.001

 < 0.001

0.897

 < 0.001

0.539

Q4

OR

3.165 (2.827,3.543)

1.722 (1.549,1.914)

1.135 (1.018,1.266)

0.245 (0.214,0.281)

0.847 (0.760,0.943)

P

 < 0.001

 < 0.001

0.022

 < 0.001

0.002

P for trend

 < 0.001

 < 0.001

0.910

 < 0.001

0.001