Table 2 The associations between weight-adjusted-waist index and fractures

Hip fractures (continuous)

1.30 (1.14, 1.50)

1.22 (1.04 1.40)

1.05 (1.01, 1.10)

Hip fractures (quartile)

 Quartile 1

Reference

Reference

Reference

 Quartile 2

1.44 (1.00, 2.06)

1.32 (1.02, 1.80)

1.35 (0.95, 1.81)

 Quartile 3

1.81 (1.28, 2.51)

1.33 (1.17, 1.62)

1.32 (1.03, 1.85)

 Quartile 4

2.06 (1.47, 2.81)

1.59 (1.21, 1.97)

1.68 (1.11, 2.01)

 P for trend

< 0.001

0.016

0.005

 Wrist fractures (continuous)

0.96 (0.94, 0.98)

0.99 (0.94, 1.05)

0.97 (0.94, 1.06)

Wrist fractures (quartile)

 Quartile 1

Reference

Reference

Reference

 Quartile 2

0.79 (0.70, 0.88)

0.79 (0.70, 0.89)

0.83 (0.72, 0.93)

 Quartile 3

0.88 (0.79, 0.99)

0.93 (0.82, 1.05)

0.92 (0.77, 1.05)

 Quartile 4

0.88 (0.77, 0.97)

0.91 (0.80, 1.04)

0.85 (0.78, 1.02)

 P for trend

0.045

0.471

0.205

 Spine fractures (continuous)

1.25 (1.15, 1.37)

1.17 (1.05, 1.30)

1.09 (1.06, 1.13)

Spine fractures (quartile)

 Quartile 1

Reference

Reference

Reference

 Quartile 2

1.15 (0.89, 1.44)

0.99 (0.76, 1.29)

0.83 (0.64, 1.11)

 Quartile 3

1.39 (1.03, 1.75)

1.11 (0.87, 1.47)

1.04 (0.76, 1.34)

 Quartile 4

1.55 (1.23, 2.00)

1.35 (1.03, 1.67)

1.32 (1.05, 1.55)

 P for trend

< 0.001

0.015

< 0.001