|
Early menarche in a woman increases the risk of developing breast cancer.a
|
Yes
|
99 (19.2)
|
59 (25.3)
|
40 (14.1)
|
0.006*
|
|
No
|
106 (20.5)
|
44 (18.9)
|
62 (21.9)
|
|
Don’t know
|
311 (60.3)
|
130 (55.8)
|
181 (64.0)
|
|
Women who have delayed menopause are at greater risk of breast cancer. a
|
Yes
|
146 (28.3)
|
84 (36.1)
|
62 (21.9)
|
0.002**
|
|
No
|
62 (12.0)
|
24 (10.3)
|
38 (13.4)
|
|
Don’t know
|
308 (59.7)
|
125 (53.6)
|
183 (64.7)
|
|
Use of oral contraceptives increases a woman’s risk of developing breast cancer.a
|
Yes
|
184 (35.7)
|
84 (36.1)
|
100 (35.3)
|
0.876
|
|
No
|
63 (12.2)
|
30 (12.9)
|
33 (11.7)
|
|
Don’t know
|
269 (52.1)
|
119 (51.0)
|
150 (53.0)
|
|
Breastfeeding reduces the risk of developing breast cancer.a
|
Yes
|
255 (49.4)
|
123 (52.8)
|
132 (46.6)
|
0.381
|
|
No
|
69 (13.4)
|
29 (12.4)
|
40 (14.1)
|
|
Don’t know
|
192 (37.2)
|
81 (34.8)
|
111 (39.3)
|
|
Physical exercise reduces the risk of developing breast cancer.a
|
Yes
|
322 (62.4)
|
154 (66.1)
|
168 (59.4)
|
0.287
|
|
No
|
43 (8.3)
|
18 (7.7)
|
25 (8.8)
|
|
Don’t know
|
151 (29.3)
|
61 (26.2)
|
90 (31.8)
|
|
A hard blow to the breast may cause a woman to get breast cancer later in life.b
|
Yes
|
181 (35.1)
|
81 (34.8)
|
100 (35.3)
|
0.565
|
|
No
|
77 (14.9)
|
39 (16.7)
|
38 (13.4)
|
|
Don’t know
|
258 (50.0)
|
113 (48.5)
|
145 (51.3)
|
|
The constant irritation of a tight bra can, over time, cause breast cancer.b
|
Yes
|
129 (25.0)
|
49 (21.0)
|
80 (28.3)
|
0.121
|
|
No
|
89 (17.2)
|
39 (16.7)
|
50 (17.7)
|
|
Don’t know
|
298 (57.8)
|
145 (62.3)
|
153 (54.0)
|
|
In some women, being overweight increases the risk of developing breast cancer.a
|
Yes
|
188 (36.4)
|
101 (43.3)
|
87 (30.7)
|
0.011*
|
|
No
|
86 (16.7)
|
33 (14.2)
|
53 (18.7)
|
|
Don’t know
|
242 (46.9)
|
99 (42.5)
|
143 (50.6)
|
|
A woman who bears her first child before the age of 30 is more likely to develop breast cancer than a woman who bears her first child after the age of 30.b
|
Yes
|
131 (25.4)
|
69 (29.6)
|
62 (21.9)
|
0.067
|
|
No
|
282 (54.7)
|
49 (21.0)
|
54 (19.1)
|
|
Don’t know
|
103 (19.9)
|
115 (49.4)
|
167 (59.0)
|
|
Women with no known risk factors for breast cancer rarely get breast cancer.b
|
Yes
|
167 (32.4)
|
84 (36.1)
|
83 (29.3)
|
0.202
|
|
No
|
60 (11.6)
|
23 (9.9)
|
37 (13.1)
|
|
Don’t know
|
289 (56.0)
|
126 (54.0)
|
163 (57.6)
|
|
Some types of fibrocystic breast disease (noncancerous breast lumps) increase a woman’s risk of breast cancer.a
|
Yes
|
292 (56.6)
|
123 (52.8)
|
169 (59.7)
|
0.074
|
|
No
|
32 (6.2)
|
20 (8.6)
|
12 (4.2)
|
|
Don’t know
|
192 (37.2)
|
90 (38.6)
|
102 (36.1)
|
|
Breast cancer is more common in 65-year-old women than in 40-year-old women.a
|
Yes
|
115 (22.3)
|
52 (22.3)
|
63 (22.3)
|
0.054
|
|
No
|
160 (31.0)
|
84 (36.1)
|
76 (26.9)
|
|
Don’t know
|
241 (46.7)
|
97 (41.6)
|
144 (50.8)
|
|
The most frequently occurring cancer in women is breast cancer.a
|
Yes
|
253 (49.0)
|
113 (48.4)
|
140 (49.5)
|
0.018*
|
|
No
|
107 (20.7)
|
60 (25.8)
|
47 (16.6)
|
|
Don’t know
|
156 (30.3)
|
60 (25.8)
|
96 (33.9)
|
|
Women over age 70 rarely get breast cancer.b
|
Yes
|
159 (30.8)
|
68 (29.2)
|
91 (32.2)
|
0.434
|
|
No
|
88 (17.1)
|
45 (19.3)
|
43 (15.2)
|
|
Don’t know
|
269 (52.1)
|
120 (51.5)
|
149 (52.6)
|
|
Most breast lumps are cancerous.b
|
Yes
|
218 (42.2)
|
96 (41.2)
|
122 (43.1)
|
0.064
|
|
No
|
87 (16.9)
|
49 (21.0)
|
38 (13.4)
|
|
Don’t know
|
211 (40.9)
|
88 (37.8)
|
123 (43.5)
|
