Table 2 Multivariable regression analysis on the association between dietary niacin intake and BPH risk, weighted

Dietary niacin

1.05(1.01,1.09)

0.01

1.04(1.01,1.07)

0.02

1.04(1.01, 1.07)

0.02

Dietary niacin categories

T1

Reference

Reference

Reference

T2

3.25(1.60,6.61)

0.002

2.77(1.34, 5.73)

0.01

2.91(1.38, 6.15)

0.01

T3

2.83(1.29,6.23)

0.01

2.22(1.16, 4.28)

0.02

2.34(1.24, 4.42)

0.01

P for trend

0.017

0.024

0.015