Table 1

Basic characteristics of women, presented as mean (SD) or number (%)

Current (n=72) Ex-users (n=57) Ever (n=129) Never (n=874) p Value ever vnever
Age (y) (SD)53.5 (4.53)54.6 (6.1)53.9 (5.29)54.3 (6.13)0.64
Age menopause (y) (SD)48.7 (3.73)46.3 (5.6)48.5 (3.77)48.9 (4.18)0.42
Duration HRT (months) (SD)33.4 (26.46)40.7 (32.7)36.6 (29.49)N/A
Height (cm) (SD)161.9 (6.02)161.74 (5.86)161.8 (5.93)161.6 (6.0)0.31
Weight (kg) (SD)66.3 (13.41)66.3 (8.93)66.3 (11.60)67.0 (11.88)0.52
BMI (SD)25.3 (4.68)25.4 (3.47)25.33 (4.18)25.6 (4.32)0.43
Hysterectomy (%)32 (44.4)22 (38.6)54 (41.9)176 (20.1)<0.001
Smoking (%) ever30 (41.7)36 (63.2)66 (51.2)397 (45.4)0.22
Physical activity group (%)Low4 (5.6)3 (5.3)8 (6.3)24 (2.5)0.43
High8 (11.1)6 (10.5)14 (10.9)75 (8.6)
Social classes (%)A/B35 (48.6)19 (33.9)54 (41.9)265 (30.3)
C1 23 (31.9)25 (44.6)48 (37.2)375 (42.9)0.03
C2/D14 (28.1)12 (21.5)25 (19.4)231 (26.4)0.01
BMD femoral neck (SD) (g/cm2)0.80 (0.13)0.77 (0.11)0.79 (0.12)0.76 (0.12)0.03