Table 1

 Demographic characteristics and prevalences of radiographic hip osteoarthritis stratified for sex

VariableMen (n = 1499)Women (n = 2086)Total (n = 3585)
BMI, body mass index; MJS, minimal joint space.
Age (years) (mean (SD))65.5 (6.5)66.3 (7.2)66.0 (6.9)
BMI (kg/m2) (mean (SD))25.9 (2.8)26.6 (4.0)26.3 (3.6)
Height (cm) (mean (SD))175.5 (6.6)162.4 (6.5)167.9 (9.2)
Lower limb disability (⩾0.5) (%)8.216.312.9
Lower limb disability (⩾1.0) (%)4.79.67.6
Morning stiffness (%)24.936.931.9
Hip pain (left and/or right) (%)7.114.911.7
    Right5.611.08.7
    Left4.59.97.6
Total hip replacement at baseline
    Unilateral (n (%))20 (1.0)69 (2.6)89 (2.0)
    Bilateral (n (%))6 (0.4)18 (0.9)24 (0.7)
Kellgren (%)
    ⩾grade 27.86.47.0
    ⩾grade 31.21.51.4
MJS (%)
    ⩽2.5 mm6.88.17.5
    ⩽2.0 mm2.63.33.0
    ⩽1.5 mm1.21.51.4
Croft grade (%)
    ⩾grade 339.130.033.9
    ⩾grade 44.54.44.4