Table 3 |
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Multivariatea comparisons of residence history of women with breast cancer and controls in Marin County, California, 1997–99 |
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| All women |
Women aged 50 years and over |
Women under 50 years of age |
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|
|
|
|
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| Variable |
(Total N) |
Cases N (%) (285) |
Controls N (%) (286) |
Multivariate OR (95% CI) |
Cases N (%) (201) |
Controls N (%) (201) |
Multivariate OR (95% CI) |
Cases N (%) (84) |
Controls N (%) (85) |
Multivariate OR (95% CI) |
|
|
|
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| Lived in Northeast before age 21 |
|||||||||||
| Never |
189 (66.3) |
205 (71.7) |
1.0 |
137 (68.2) |
145 (72.1) |
1.0 |
52 (61.9) |
60 (70.6) |
1.0 |
||
| Ever |
96 (33.7) |
81 (28.3) |
1.3 (0.88–2.0) |
64 (31.8) |
56 (27.9) |
1.2 (0.69–1.9) |
32 (38.1) |
25 (29.4) |
3.2 (1.3–7.9) |
||
| Lived in Great Lakes region before age 21 |
|||||||||||
| Never |
211 (74.0) |
222 (77.6) |
1.0 |
148 (73.6) |
146 (72.6) |
1.0 |
63 (75.0) |
76 (89.4) |
1.0 |
||
| Ever |
74 (26.0) |
64 (22.4) |
1.1 (0.72–1.7) |
53 (26.4) |
55 (27.4) |
0.79 (0.47–1.3) |
21 (25.0) |
9 (10.6) |
4.6 (1.4–14.7) |
||
| Born in the Northeast |
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| No |
215 (75.4) |
235 (82.2) |
1.0 |
155 (77.1) |
164 (81.6) |
1.0 |
60 (71.4) |
71 (83.5) |
1.0 |
||
| Yes |
70 (24.6) |
51 (17.8) |
1.5 (0.94–2.4) |
46 (22.9) |
37 (18.4) |
1.1 (0.61–2.0) |
24 (28.6) |
14 (16.5) |
6.2 (2.2–17.8) |
||
| Born in the Great Lakes region |
|||||||||||
| No |
236 (82.8) |
244 (85.3) |
1.0 |
166 (82.6) |
164 (81.6) |
1.0 |
70 (83.3) |
80 (94.1) |
1.0 |
||
| Yes |
49 (17.2) |
42 (14.7) |
1.2 (0.73–2.1) |
35 (17.4) |
37 (18.4) |
0.89 (0.48–1.6) |
14 (16.7) |
5 (5.9) |
4.3 (1.0–18.3) |
||
| Years lived in Marin County before age 21 |
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| 0 years |
238 (83.5) |
236 (82.5) |
1.0 |
171 (85.1) |
175 (87.1) |
1.0 |
67 (79.8) |
61 (71.8) |
1.0 |
||
| ≤ 6.2 years |
14 (4.9) |
13 (4.5) |
1.7 (0.72–4.0) |
9 (4.5) |
7 (3.5) |
2.7 (0.85–8.5) |
5 (6.0) |
6 (7.1) |
0.32 (0.06–1.7) |
||
| 6.2 years to 10.75 years |
10 (3.5) |
12 (4.2) |
0.72 (0.27–1.9) |
6 (3.0) |
8 (4.0) |
0.73 (0.21–2.5) |
4 (4.8) |
4 (4.7) |
0.81 (0.12–5.5) |
||
| >10.75 years to 16.6 years |
6 (2.1) |
11 (3.8) |
0.69 (0.22–2.1) |
5 (2.5) |
6 (3.0) |
1.2 (0.30–5.0) |
1 (1.2) |
5 (5.9) |
0.09 (0.01–1.4) |
||
| >16.6 years |
17 (6.0) |
14 (4.9) |
1.3 (0.58–3.1) |
10 (5.0) |
5 (2.5) |
2.2 (0.60–8.0) |
7 (8.3) |
9 (10.6) |
1.1 (0.29–4.6) |
||
| Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
||||||
| 1.9 ± 0.3 |
1.9 ± 0.3 |
1.7 ± 0.3 |
1.3 ± 0.3 |
2.3 ± 0.6 |
3.5 ± 0.7 |
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| Lifetime years lived in Marin County |
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| 2 months to 13 years |
75 (26.3) |
68 (23.8) |
1.0 |
32 (15.9) |
29 (14.4) |
1.0 |
43 (51.2) |
39 (45.9) |
1.0 |
||
| >13 years to ≤ |
24 years |
75 (26.3) |
72 (25.2) |
0.78 (0.46–1.3) |
49 (24.4) |
48 (23.9) |
0.71 (0.32–1.5) |
26 (31.0) |
24 (28.2) |
0.88 (0.32–2.4) |
|
| >24 years to ≤ |
32 years |
61 (21.4) |
74 (25.9) |
0.68 (0.38–1.2) |
54 (26.9) |
62 (30.8) |
0.61 (0.29–1.3) |
7 (8.3) |
12 (14.1) |
0.52 (0.14–2.0) |
|
| >32 years to ≤ |
60 years |
74 (26.0) |
72 (25.2) |
0.78 (0.42–1.4) |
66 (32.8) |
62 (30.8) |
0.77 (0.35–1.7) |
8 (9.5) |
10 (11.8) |
1.2 (0.30–4.6) |
|
| Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
||||||
| 24.2 ± 0.8 |
24.1 ± 0.8 |
27.7 ± 1.0 |
27.4 ± 0.9 |
15.9 ± 1.2 |
16.4 ± 1.3 |
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| Lifetime years lived in other San Francisco Bay Area Countiesb |
|||||||||||
| ≥ 0 years to ≤ 6 years |
161 (56.7) |
147 (51.4) |
1.0 |
111 (55.5) |
111 (55.2) |
1.0 |
50 (59.5) |
36 (42.4) |
1.0 |
||
| >6 years to ≤ 16 years |
61 (21.5) |
71 (24.8) |
0.76 (0.47–1.2) |
43 (21.5) |
43 (21.4) |
1.0 (0.57–1.9) |
18 (21.4) |
28 (32.9) |
0.27 (0.10–0.73) |
||
| >16 years to ≤ |
55 years |
62 (21.8) |
68 (23.8) |
0.84 (0.53–1.3) |
46 (23.0) |
47 (23.4) |
1.0 (0.60–1.8) |
16 (19.0) |
21 (24.7) |
0.30 (0.09–0.94) |
|
| Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
||||||
| 8.8 ± 0.7 |
9.8 ± 0.7 |
9.4 ± 0.8 |
9.6 ± 0.9 |
7.4 ± 1.0 |
10.4 ± 1.2 |
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| Age of first living in Marin County |
|||||||||||
| 0–22 years |
54 (18.9) |
70 (24.5) |
1.0 |
33 (16.4) |
40 (19.9) |
1.0 |
21 (25.0) |
30 (35.3) |
1.0 |
||
| 23–28 years |
83 (29.1) |
68 (23.8) |
1.5 (0.83–2.5) |
63 (31.3) |
53 (26.4) |
1.2 (0.62–2.5) |
20 (23.8) |
15 (17.6) |
2.3 (0.71–7.8) |
||
| 29–36 years |
73 (25.6) |
75 (26.2) |
1.2 (0.69–2.1) |
55 (27.4) |
54 (26.9) |
1.1 (0.54–2.2) |
18 (21.4) |
21 (24.7) |
1.4 (0.48–4.4) |
||
| 37–68 years |
75 (26.3) |
73 (25.5) |
1.3 (0.76–2.3) |
50 (24.9) |
54 (26.9) |
1.1 (0.54–2.3) |
25 (29.8) |
19 (22.4) |
1.3 (0.41–4.0) |
||
| Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
Mean ± SEM |
||||||
| 29.2 ± 0.8 |
28.7 ± 0.8 |
29.8 ± 0.9 |
30.4 ± 0.9 |
27.6 ± 1.4 |
24.7 ± 1.5 |
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|
|
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|
CI, confidence interval; OR, odds ratio. Statistically significant results are shown in bold. aOdds ratios for each variable in this table are adjusted for age and the following variables as categorized in Table 2: family history of breast cancer, benign biopsy history, previous radiation treatment, age at menarche, menopausal status, reproductive history, oral contraceptive use, hormone replacement therapy, highest body mass index after age 21, number of mammograms 1990–94, socioeconomic status before age 21, highest degree, religion, alcohol use, and tobacco use. bOne case had missing information for this variable. |
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|
Wrensch et al. Breast Cancer Res 2003 5:R88 doi:10.1186/bcr605 |
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