|
Age at blood draw (years)a
|
66.0 (8.1)
|
66.0 (8.0)
|
|
Fasting hours prior to blood drawa
|
13.1 (1.9)
|
13.0 (1.8)
|
|
Current hormone therapy usea
|
99 (35%)
|
185 (35%)
|
|
Ethnicitya
| | |
|
African American
|
35 (12%)
|
65 (12%)
|
|
Caucasian
|
59 (21%)
|
111 (21%)
|
|
Japanese American
|
116 (40%)
|
213 (40%)
|
|
Latina
|
45 (16%)
|
86 (16%)
|
|
Native Hawaiian
|
31 (11%)
|
60 (11%)
|
|
High school education or less
|
97 (34%)
|
189 (35%)
|
|
Body mass index (kg/m2)
|
25.6 (4.9)
|
25.4 (5.4)
|
|
Nulliparous
|
35 (12%)
|
58 (11%)
|
|
Number of full-term pregnancies
|
2.7 (1.8)
|
2.8 (1.8)
|
|
Age at first childbirth
|
23.8 (4.6)
|
23.5 (4.5)
|
|
Age at menarche
|
13.0 (1.6)
|
13.1 (1.6)
|
|
Age at natural menopause
|
49.1 (5.1)
|
49.5 (4.7)
|
|
Smoking status
| | |
|
Never
|
159 (56%)
|
334 (63%)
|
|
Former
|
90 (32%)
|
146 (27%)
|
|
Current
|
35 (12%)
|
52 (10%)
|
|
Pack-years of smoking
|
6.2 (11.2)
|
5.4 (11.0)
|
|
Mother or sister with breast cancer
|
31 (11%)
|
68 (13%)
|
|
Alcohol use
| | |
|
Never
|
170 (60%)
|
347 (65%)
|
|
Ever, below users' median (< 3.4 g/day)
|
58 (20%)
|
95 (18%)
|
|
Ever, above users' median (> 3.4 g/day)
|
58 (20%)
|
93 (17%)
|
|
Hours in moderate or vigorous physical activity per day
|
1.2 (1.3)
|
1.2 (1.3)
|
