Table 2.

Distribution of selected characteristics by history of menopausal symptoms among controls

CharacteristicsNever had menopausal symptoms (n = 51)Ever had menopausal symptoms, but not severe symptoms (n = 214)Ever had severe symptoms (n = 180)
n (%)n (%)n (%)
Age, y
 55–5912 (23.5)54 (25.2)63 (35.0)
 60–646 (11.8)59 (27.6)50 (27.8)
 65–6914 (27.4)51 (23.8)44 (24.4)
 70–7419 (37.3)50 (23.4)23 (12.8)
First-degree family history of breast cancer
 No37 (80.4)173 (82.8)152 (87.4)
 Yes9 (19.6)36 (17.2)22 (12.6)
BMI, kg/m2
 <23.413 (25.5)55 (25.9)44 (24.4)
 23.4–26.414 (27.5)62 (29.3)37 (20.6)
 26.5–31.017 (33.3)50 (23.6)44 (24.4)
 ≥31.17 (13.7)45 (21.2)55 (30.6)
Recency of alcohol consumption
 Never users21 (41.2)69 (32.7)77 (43.0)
 Former users8 (15.7)33 (15.6)26 (14.5)
 Current users22 (43.1)109 (51.7)76 (42.5)
 <1 drinks/day6 (27.3)23 (21.1)14 (18.4)
 ≥1 drink/day16 (72.7)86 (78.9)62 (81.6)
Type of menopause
 Natural22 (43.1)136 (63.6)98 (54.5)
 Induced16 (31.4)26 (12.1)33 (18.3)
 Simple hysterectomy13 (25.5)52 (24.3)49 (27.2)
Age at menopause, y
 <459 (26.5)19 (12.3)28 (22.0)
 45–5420 (58.8)109 (70.8)73 (57.5)
 ≥555 (14.7)26 (16.9)26 (20.5)
Recency of menopausal HT use
 Never15 (29.4)48 (22.4)24 (13.3)
 Former15 (29.4)58 (27.1)50 (27.8)
 Current unopposed estrogen16 (31.4)58 (27.1)67 (37.2)
 Current E + P5 (9.8)50 (23.4)39 (21.7)
Duration of HT use, y
 Never15 (29.4)48 (22.4)24 (13.3)
 <14 (7.8)20 (9.4)12 (6.7)
 1–49 (17.7)31 (14.5)32 (17.8)
 5–93 (5.9)46 (21.5)38 (21.1)
 10–142 (3.9)26 (12.1)25 (13.9)
 ≥1518 (35.3)43 (20.1)49 (27.2)