Table 1 Demographic and clinical characteristics of women in the UKWCS by fifth of intake of acrylamide
From: Dietary acrylamide intake and risk of breast cancer in the UK women's cohort
Acrylamide intake | |||||
|---|---|---|---|---|---|
Fifth | 1 | 2 | 3 | 4 | 5 |
Mean ( μ g day−1) | 6 | 11 | 15 | 20 | 32 |
Range ( μ g day−1) | 0–9 | 9–13 | 13–17 | 17–23 | 23–150 |
Mean age (years) (s.d.) | 52.8 (9.2) | 52.7 (9.1) | 52.5 (9.3) | 51.6 (9.3) | 51.4 (9.5) |
Mean BMI (kg m−2) (s.d.) | 24.0 (4.2) | 24.5 (4.4) | 24.4 (4.1) | 24.6 (4.6) | 24.8 (4.5) |
Mean physical activity (hours per day) (s.d.) | 0.3 (0.5) | 0.3 (0.5) | 0.3 (0.5) | 0.2 (0.4) | 0.2 (0.5) |
Mean age at menarche (years) (s.d.) | 12.8 (1.7) | 12.8 (1.6) | 12.8 (1.6) | 12.8 (1.6) | 12.9 (1.6) |
Current HRT use (%) | 1336 (20%) | 1386 (21%) | 1348 (20%) | 1239 (19%) | 1206 (18%) |
Current OCP use (%) | 251 (4%) | 232 (3%) | 278 (4%) | 264 (4%) | 266 (4%) |
Nulliparous (%) | 1954 (29%) | 1614 (24%) | 1394 (21%) | 1346 (20%) | 1240 (18%) |
Postmenopause (%) | 3776 (56%) | 3716 (55%) | 3620 (54%) | 3360 (50%) | 3300 (49%) |
Incident breast cancer (%) | 220 (3%) | 213 (3%) | 219 (3%) | 211 (3%) | 218 (3%) |
Mean total energy intake (MJ) (s.d.) | 8.0 (2.4) | 8.9 (2.4) | 9.6 (2.4) | 10.4 (2.6) | 12.1 (3.3) |
Mean ethanol intake (g day−1) (s.d.) | 9.0 (11.4) | 9.1 (10.5) | 8.7 (10.6) | 8.5 (10.1) | 8.0 (10.1) |
Current smoker (%) | 684 (11%) | 682 (10%) | 710 (11%) | 718 (11%) | 846 (13%) |
No education >14 years (%) | 840 (14%) | 951 (15%) | 1038 (17%) | 1076 (17%) | 1291 (21%) |
