|
Characteristic
|
Category
|
Cases
|
Controls
|
OR
|
95%CI
|
P χ2
|
|---|
|
Age* (years)
|
< 48
|
147
|
163
|
1
| | |
| |
≥ 48
|
171
|
110
|
1.72
|
(1.24-2.39)
|
0.001
|
|
Missing data
| |
0
|
0
| | | |
|
Menarche (Age)
|
< 12
|
120
|
93
|
1
| | |
| |
≥ 12
|
120
|
74
|
1.25
|
(0.84-1.86)
|
0.258
|
|
Missing data
| |
78
|
106
| | | |
|
Menopause (Age)**
|
≤ 54
|
98
|
62
|
1
| | |
| |
≥ 55
|
10
|
5
|
0.79
|
(0.25-2.42)
|
0.68
|
|
Missing data
| |
127
|
103
| | | |
|
First Birth (Age)
|
≤ 30
|
161
|
103
|
1
| | |
| |
≥ 31 or nulliparous
|
75
|
68
|
1.41
|
(0.93-2.13)
|
0.09
|
|
Missing data
| |
82
|
102
| | | |
|
Fertile Time¥
|
< 35
|
45
|
35
|
1
| | |
| |
≥ 35
|
60
|
27
|
1.73
|
(0.83-3.42)
|
0.089
|
|
Missing data
| |
3
|
5
| | | |
|
Use of contraceptives †
|
< 2
|
110
|
105
|
1
| | |
| |
≥2
|
92
|
59
|
1.49
|
(0.97-2.27)
|
0.065
|
|
Missing data
| |
116
|
109
| | | |
|
Use of HRT
θ
|
no
|
79
|
43
|
1
| | |
| |
yes
|
25
|
20
|
0.68
|
(0.32-1.44)
|
0.276
|
|
Missing data
| |
4
|
4
| | | |
|
Use of NSAIDs
|
no
|
187
|
154
|
1
| | |
| |
yes
|
31
|
13
|
1.96
|
(0.99-3.88)
|
0.053
|
|
Missing data
| |
100
|
106
| | | |
|
BMI
|
Underweight: ≤ 18.4
|
9
|
1
|
4.13
|
(0.50-33.6)
|
0.28
|
| |
Normal: 18.5 - 24.9
|
98
|
45
|
1
| | |
| |
Overweight: ≥ 25.0
|
159
|
63
|
1.15
|
(0.73-1.83)
|
0.55
|
|
Missing Data
| |
52
|
164
| | | |
|
Smoking Habit
|
no
|
174
|
83
|
1
| | |
| |
yes
|
98
|
38
|
1.23
|
(0.77-1.94)
|
0.42
|
|
Missing data
| |
46
|
152
| | | |
|
Color
|
White
|
131
|
120
| | |
0.619‡
|
| |
Intermediate
|
125
|
96
| | | |
| |
Black
|
62
|
57
| | | |
|
Missing data
| |
0
|
0
| | | |
- * 48 years old is the median of cases + controls; ** Menopausal status: postmenopausal: cases n = 108, controls: n = 67; premenopausal: cases: n = 83, controls n = 103; ¥ Age of Menopause - Age of Menarche (only for women in menopause); † For at least 2 years; θHRT: Hormonal Reposition Therapy (only for women in menopause); NSAIDs: Non-Steroidal Anti-Inflammatory Drugs; BMI: Body Mass Index at diagnosis (patients) or at recruitment (controls), BMI = weight (Kg)/height2 (m2); OR: Odds Ratio; 95%CI: 95% Confidence Interval; P from Chi-square test (Pearson p-value); ‡ P from Fisher test.
