Table 1.
Characteristics of study population (n = 303)
| Characteristics | Distribution |
|---|---|
| Age at urine collection, years (mean,standard deviation) |
55.0 (11.9) |
| BMI at urine collection, kg/m2 (mean,standard deviation) |
26.6 (5.8) |
| Height at CTS baseline survey, inches (mean,standard deviation) |
65.0 (2.7) |
| Packyears of smoking (mean,standard deviation) |
4.0 (10.0) |
| Pillyears of aspirin use (mean,standard deviation) |
0.69 (2.0) |
| Coffee consumption, average grams/day (mean,standard deviation) |
238.2 (184.7) |
| Coffee consumption, average times/day (mean,standard deviation) |
0.97 (0.72) |
| Strenuous exercise, 3-years prior to baseline, hours/wk (mean,standard deviation) |
1.6 (2.4) |
| Strenuous exercise, lifetime prior to baseline, hours/wk (mean,standard deviation) |
2.2 (2.3) |
| Age at first full-term pregnancy, years (mean,standard deviation) |
27.0 (4.9) |
| Parity, total number of live and still births (mean,standard deviation) |
1.7 (1.4) |
| Race/ethnicity (n,%) |
|
| Non-Hispanic white |
258 (85.1) |
| Hispanic |
18 (5.9) |
| Black |
3 (1.0) |
| Asian & Pacific Islander |
13 (4.3) |
| Other/unknown |
11 (3.6) |
| Menopausal Status, at baseline(n,%) |
|
| Postmenospausal |
131 (43.2) |
| Premenopausal or Perimenopausal |
147 (48.5) |
| Unknown |
25 (8.3) |
| Alcohol Consumption, year prior to baseline (n, %) |
|
| None |
86 (28.4) |
| <20 g/day |
176 (58.1) |
| ≥20 g/day |
27 (8.9) |
| Unknown |
14 (4.6) |
| Tobacco Smoke Exposure, at baseline (n, %) |
|
| None |
61 (20.1) |
| Passive only |
142 (46.9) |
| Former active smoker |
86 (28.4) |
| Current active smoker |
12 (4.0) |
| Unknown |
2 (0.7) |
| Oral contraceptive use, at baseline (n, %) |
|
| Never |
81 (26.7) |
| Former |
198 (65.4) |
| Current |
16 (5.3) |
| Unknown |
8 (2.6) |
| Antidepressant use, daily use for at least 2 months at baseline |
|
| Yes |
29 (9.6) |
| No |
237 (78.2) |
| Unknown |
37 (12.2) |
| Hormone therapy use, at baseline (n, %) |
|
| Premenopausal |
142 (46.9) |
| Peri/post-menopausal, never used |
34 (11.22) |
| Peri/post-menopausal, prior use |
16 (5.3) |
| Peri/post-menopasual, current use |
71 (23.4) |
| Other/unknown |
40 (13.2) |
| Regular aspirin use, years at baseline |
|
| None |
240 (79.2) |
| <1 |
11 (3.6) |
| 1 |
2 (0.7) |
| 2 |
4 (1.3) |
| 3-4 |
7 (2.3) |
| 5-9 |
6 (2.0) |
| 10+ |
31 (10.2) |
| Unknown/missing |
2 (0.7) |
| Regular aspirin use, days/week at baseline |
|
| None |
240 (79.2) |
| 1-3 |
41 (13.5) |
| 4-6 |
9 (3.0) |
| 7 |
12 (4.0) |
| Unknown |
1 (0.3) |
| Daily Use of Calcium Blockers, in 2000 |
|
| Yes |
4 (1.3) |
| No |
246 (81.2) |
| Unknown |
53 (17.5) |
| Neighborhood Urbanization |
|
| Urban |
120 (39.6) |
| Rural |
183 (60.4) |
| Hours of sleep/night |
|
| <5 hours |
3 (1.0) |
| 5-6 hours |
63 (20.8) |
| 7-9 hours |
226 (74.6) |
| 10+ hours |
4 (1.3) |
| Unknown |
7 (2.3) |
| Neighborhood Socioeconomic Status (mean, range) |
|
| Median Family Income ($) |
76,782 (37,337-140,387) |
| Percent of population below poverty level |
6.8 (0.0 – 37.6) |
| Percent of adults age 25+ with college degree |
34.3 (1.5 – 79.0) |
| Percent of adults without a high school degree |
14.6 (1.2 – 56.8) |
| Percent of adults employed in a professional occupation | 44.3 (6.7-74.3) |