|
No EPT (N= 1,176)
|
Past EPT (N= 612)
|
Current EPT (N= 248)
| | |
---|
|
N
|
Mean1
|
SE2
|
N
|
Mean1
|
SE2
|
N
|
Mean1
|
SE2
|
P3
|
---|
Mammographic density (%)
|
1,176
|
17.07
|
0.46
|
612
|
18.99
|
0.45
|
248
|
23.34
|
0.51
|
0.0001
|
Age at screening (years)
|
1,176
|
58.19
|
0.18
|
612
|
59.22
|
0.15
|
248
|
57.33
|
0.15
|
0.0001
|
Body mass index (kg/m
2
)
|
1,176
|
25.44
|
0.13
|
612
|
24.91
|
0.10
|
248
|
24.15
|
0.11
|
0.0001
|
Age at menarche (years)
|
1,169
|
13.16
|
0.04
|
607
|
13.36
|
0.04
|
246
|
13.31
|
0.04
|
0.1025
|
Age at first pregnancy (years)
|
1,049
|
21.75
|
0.25
|
540
|
22.3
|
0.24
|
225
|
22.28
|
0.24
|
0.3602
|
Number of children
|
1,114
|
2
|
0.03
|
587
|
2
|
0.03
|
239
|
2
|
0.03
|
0.7252
|
Education (years)
|
1,164
|
12.75
|
0.10
|
605
|
13.01
|
0.10
|
245
|
12.85
|
0.10
|
0.2807
|
- 1Adjusted for age and BMI, 2standard error, 3analysis of variance.