Table 2 Associations of body roundness index with psoriasis among adults aged ≥ 20 years (N = 8479)

Per 1 unit increase

3.09(2.55,3.64)

1.11(1.06,1.18)

< 0.001

1.11(1.05,1.17)

< 0.001

1.11(1.05,1.17)

< 0.001

Quintiles

 Q1(< 3.42)

1.88(1.13,2.62)

1(Ref.)

1(Ref.)

1(Ref.)

 Q2(3.42 to < 4.45)

2.72(1.67,3.77)

1.46(0.78,2.74)

0.240

1.40(0.74,2.71)

0.294

1.45(0.77,2.76)

0.256

 Q3(4.45 to < 5.45)

3.36(2.10,4.61)

1.82(1.04,3.17)

0.039

1.75(1.01,3.04)

0.051

1.74(1.02,2.98)

0.047

 Q4(5.45 to < 6.96)

3.59(2.42,4.77)

1.95(1.18,3.23)

0.012

1.89(1.13,3.14)

0.018

1.87(1.13,3.11)

0.019

 Q5(> 6.96)

4.13(3.00,5.27)

2.25(1.40,3.63)

0.001

2.16(1.31,3.57)

0.004

2.04(1.26,3.29)

0.005

P for trend

< 0.001

< 0.001

0.002