Table 2.
Association of Up-to-date Breast Cancer Screening Status with Insurance Coverage in Women in Rural Oregon
| Proportion UTD1 n/N(%) | Adjusted2 Odds Ratios (95% CI) for UTD | |||||
|---|---|---|---|---|---|---|
| Clinical Breast Exams | Clinical Breast Exam | |||||
| Overall UTD | UTD by Health Maintenance Visits | Overall UTD | UTD by Health Maintenance Visits3 | |||
| Last Recorded Insurance | No Visits | At least 1 Visit | No Visits | At least 1 Visit | ||
| Unknown Insurance Status | 83/259 (32%) | 2/133 (2%) | 81/126 (64%) | 0.57 (0.25 – 1.31) | 0.19 (0.04 – 0.83) | 1.93 (1.17 – 3.18) |
| Uninsured | 41/130 (25%) | 4/108 (4%) | 37/63 (59%) | 0.76 (0.39 – 1.48) | 0.44 (0.14 – 1.34) | 1.37 (0.74 – 2.53) |
| Medicaid or Medicaid+Private | 28/107 (26%) | 2/61 (3%) | 26/46 (57%) | 0.98 (0.41 – 2.31) | 0.57 (0.13 – 2.61) | 1.74 (0.88 – 3.47) |
| Medicare or Medicare+Private | 76/319 (24%) | 13/176 (7%) | 63/143 (44%) | 1.63 (1.04 – 2.56) | 2.28 (1.11 – 4.72) | 1.12 (0.73 – 1.75) |
| Private | 283/1003 (28%) | 33/485 (7%) | 250/518 (48%) | Referent | Referent | Referent |
| Total | 511/1859 (27%) | 54/963 (6%) | 457/896 (51%) | |||
| Mammography Screening | Mammography Screening | |||||
| Overall UTD | UTD by Health Maintenance Visits | Overall UTD | UTD by Health Maintenance Visits3 | |||
| Last Recorded Insurance | No Visits | At least 1 Visit | No Visits | At least 1 Visit | ||
| Unknown Status | 67/259 (26%) | 8/133 (6%) | 59/126 (47%) | 0.59 (0.35–1.02) | 0.38 (0.17–0.87) | 0.95 (0.57–1.58) |
| Uninsured | 38/171 (22%) | 5/108 (5%) | 33/63 (52%) | 0.44 (0.24–0.79) | 0.20 (0.08–0.51) | 1.04 (0.57–1.89) |
| Medicaid or Medicaid+Private | 31/107 (29%) | 11/61 (18%) | 20/46 (43%) | 0.67 (0.41–1.09) | 0.73 (0.36–1.47) | 0.61 (0.32–1.16) |
| Medicare or Medicare+Private | 103/319 (32%) | 35/176 (26%) | 68/143 (48%) | 0.73 (0.53–1.02) | 0.89 (0.56–1.41) | 0.60 (0.39–0.90) |
| Private | 443/1003 (44%) | 126/485 (26%) | 317/518 (61%) | Referent | Referent | Referent |
| Total | 682/1859 (37%) | 185/963 (19%) | 497/896 (55%) | |||
1
ACS guidelines recommend annual screenings for women over 50 years old. Analysis limited to women without history of bilateral mastectomy, or recent abnormal mammogram.
2
Adjusted for BMI, age, smoking status, number of patient visits, length of contact with clinic, family history of cancer, ethnicity, and asthma and arthritis co-morbidity. Clinic was included as a random effect.
3
Health maintenance visits within 2 years of last contact with clinic.