Table 1.
Characteristics of women who underwent screening clinical breast exam
| All women (n=1000) |
CBE normal (n=933) |
CBE abnormal (n=67) |
P value | |
|---|---|---|---|---|
| Mean age, years (SD) | 37.2 (8.0) | 37.2 (8.0) | 36.5 (8.1) | 0.447 |
| Family history of breast cancer, n (%) | 23 (2.3) | 18 (1.9) | 5 (7.5) | 0.015 |
| Has children, n (%) | 962 (96.2) | 902 (96.7) | 60 (89.6) | 0.003 |
| Post-menopausal, n (%) | 110 (11.0) | 99 (10.6) | 11 (16.4) | 0.142 |
| Currently breastfeeding, n (%) | 139 (13.9) | 130 (13.9) | 9 (13.4) | 0.909 |
| Currently using contraception, n (%) | 550 (55.0) | 530 (56.8) | 20 (29.9) | <0.001 |
| Injectable | 284 (28.4) | 275 (51.9) | 9 (45.0) | 0.545 |
| Oral | 67 (6.7) | 62 (11.7) | 5 (25.0) | 0.074 |
| Intrauterine device | 4 (0.4) | 3 (0.6) | 1 (5.0) | 0.022 |
| Implant | 91 (9.1) | 89 (16.8) | 2 (10.0) | 0.422 |
| Had breast concerns in past 30 days, n (%) | 103 (10.3) | 58 (6.2) | 45 (67.2) | <0.001 |
| Breast lump | 6 (0.6) | 0 (0) | 6 (13.3) | 0.004 |
| Nipple discharge | 12 (1.2) | 2 (3.4) | 10 (22.2) | 0.003 |
| Breast pain | 33 (3.3) | 9 (15.5) | 24 (53.3) | <0.001 |
| Breast Itching | 57 (5.7) | 45(77.6) | 12 (26.6) | <0.001 |
| Mean age at onset of menses, years (SD)a | 15.0 (1.8) | 15.1 (1.6) | 15.0 (1.8) | 0.93 |
| Mean age at birth of first child, years (SD)b | 22.3 (6.4) | 22.4 (6.3) | 20.4 (4.3) | 0.82 |
| Mean age at menopause, years (SD)c | 50 (6.1) | 47.1 (6.1) | 46.1 (6.2) | 0.65 |
CBE=clinical breast exam. SD=standard deviation.
a
870 women (812 CBE normal, 58 CBE abnormal) reported age at onset of menses.
b
948 women (888 CBE normal, 60 CBE abnormal) reported age at birth of their first child.
c
82 women (73 CBE normal, 9 CBE abnormal) reported age at menopause.