Table 1.

Distribution of sociodemographic and breast cancer risk factors

CharacteristicTotal sample (N = 500)
Sociodemographic factorsn (%)
Ethnicity
 White228 (45.6)
 Mestizo229 (45.8)
 Indigenous43 (8.6)
Educational attainment, years completed
 No schooling43 (8.6)
 1–7287 (57.4)
 858 (11.6)
 9–1164 (12.8)
 ≥1248 (9.6)
Marital status
 Single77 (15.4)
 Married254 (50.8)
 Living with partner33 (6.6)
 Separated/divorced63 (12.6)
 Widowed73 (14.6)
Occupation
 Homemaker/informal job367 (73.4)
 Housemaid/house assistant46 (9.2)
 Merchant38 (7.6)
 Student/other49 (9.8)
Monthly household family income, US dollars
 <206.4281 (56.2)
 ≥206.4219 (43.8)
Mean (95% CI)
Knowledge score2.2 (2.1–2.3)
BCRAT risk factors
Age, y57.1 (56.7–57.6)
Age at menarche, yN (%)
 < 1264 (12.8)
 12–13232 (46.4)
 ≥ 14202 (40.4)
Age at first birth, y
 < 20234 (46.8)
 20–24171 (34.2)
 25–29/nulliparous80 (16.0)
 ≥ 3015 (3.0)
Number of first degree relatives with breast cancer
 0463 (92.6)
 133 (6.6)
 ≥ 24 (0.8)
Number of breast biopsies
 0490 (98.0)
 19 (1.8)
 ≥ 21 (0.2)
Mean (95% CI)
BCRAT 5-year risk of breast cancer0.82 (0.78–0.86)
BCRAT lifetime risk of breast cancer5.08 (4.87–5.28)

NOTE: All estimates are based on participants who have a valid (non-missing) response to each variable.