Table 3 Prevalence of Behavioral Risk Factors and Breast Cancer Screening Among Female Kaiser Permanente Members Aged 40–65 in Marin County and East/Central Costa County, California
Marin | East/Central Contra Costa | p-value | |||
|---|---|---|---|---|---|
Base No. | Percent (95% CI) | Base No. | Percent (95% CI) | ||
Smoking status | 426 | 361 | |||
Never smoked | 48.3 (43.5 – 53.1) | 61.7 (56.6 – 66.8) | p = .0002 | ||
Former smoker | 43.6 (38.8 – 48.3) | 31.2 (26.3 – 36.0) | p = .0004 | ||
Current smoker | 7.7 (5.1 – 10.3) | 7.2 (4.5 – 10.0) | p = .80 | ||
Occasional | 3.1 (1.4 – 4.8) | 2.3 (0.7 – 3.9) | |||
Daily | 4.9 (2.9 – 7.0) | 4.9 (2.6 – 7.2) | |||
Alcohol use in past 12 mos. | 417 | 360 | |||
Never or <1/month | 34.4 (29.8 – 39.0) | 41.9 (36.7 – 47.0) | p < .05 | ||
Averaged > 7 drinks/week | 21.5 (17.5 – 25.4) | 16.1 (12.3 – 19.9) | p = .062 | ||
Averaged > 14 drinks/week | 4.2 (2.3 – 6.0) | 2.7 (1.0 – 4.4) | p = .30 | ||
Exercise | |||||
Usual # days of moderate or strenuous exercise | 426 | 362 | p = .13 | ||
< 1 day/week | 19.4 (15.6 – 23.2) | 23.3 (18.9 – 27.7) | |||
1–2 days/week | 11.9 (8.8 – 15.1) | 15.8 (11.9 – 19.6) | |||
3–4 days/week | 23.9 (19.8 – 27.9) | 19.3 (15.2 – 23.4) | |||
≥ 5 days/week | 44.8 (40.0 – 49.5) | 41.6 (36.5 – 46.8) | |||
Usual # days of ≥30 min of moderate/strenuous exercise | 426 | 362 | p = .16 | ||
< 1 day/week | 31.1 (26.7 – 35.6) | 37.7 (32.6 – 42.7) | |||
1–2 days/week | 11.6 (8.4 – 14.6) | 13.2 (9.7 – 16.8) | |||
3–4 days/week | 20.7 (16.8 – 24.6) | 18.1 (14.0 – 22.1) | |||
≥ 5 days/week | 36.6 (32.0 – 41.2) | 31.0 (26.1 – 35.9) | |||
BMI | 424 | 357 | p = .50 | ||
% Underwt (BMI 14 – < 18.5) | 2.7 (1.1 – 4.3) | 3.6 (1.7 – 5.6) | |||
% Normal-Overwt (BMI 18.5–<30) | 81.5 (77.8 – 85.3) | 78.4 (74.0 – 82.7) | |||
% Obese (BMI ≥ 30) | 15.7 (10.3 – 19.2) | 18.0 (14.0 – 22.0) | |||
Mammogram (ages 41–65) | 418 | 346 | p = .70 | ||
In last 2 years | 88.5 (85.4 – 91.7) | 88.6 (85.1 – 92.0) | |||
> 2 years ago | 8.2 (5.5 – 10.8) | 9.1 (6.0 – 12.2) | |||
Never | 3.3 (1.4 – 5.1) | 2.3 (0.6 – 4.1) | |||