Table 2 Associations between urinary 3-PBA level and sleep problems

Males

 Model 1

Reference

2.45(0.78,7.73)

3.20(1.10,9.30)

 Model 2

Reference

2.53(0.81,7.85)

3.33(1.19,9.31)

 Model 3

Reference

2.70(0.90,8.09)

4.04(1.31,12.42)

Females

 Model 1

Reference

1.85(0.72,4.78)

1.34(0.49,3.64)

 Model 2

Reference

1.79(0.66,4.86)

1.19(0.42,3.38)

 Model 3

Reference

1.52(0.54,4.32)

0.94(0.27,3.33)