Table 4 Relationship between adiposity measures and risk of primary knee and hip replacement

Weight (per 10 kg)

1.58 (1.51 to 1.65)

<0.001

1.22 (1.15 to 1.30)

<0.001

<0.0001

Body mass index (per 5 kg/m²)

1.88 (1.76 to 2.00)

<0.001

1.26 (1.15 to 1.38)

<0.001

<0.0001

Waist circumference (per 10 cm)

1.62 (1.53 to 1.72)

<0.001

1.10 (1.01 to 1.19)

0.03

<0.0001

Waist-to-hip ratio (per 0.1 unit)

1.43 (1.29 to 1.58)

<0.001

1.01 (0.85 to 1.19)

0.92

0.0004

Fat mass (per 10 kg)

1.88 (1.76 to 2.00)

<0.001

1.29 (1.18 to 1.41)

<0.001

<0.0001

Percentage fat (per 10%)

2.84 (2.47 to 3.26)

<0.001

1.37 (1.19 to 1.57)

<0.001

<0.0001