Table 5. Adjusteda RRs and 95% CIs for acceptance of diagnostic test in 9133 women with positive FOBt.
| n cases accepted/invited | RR (95% CI) | |
|---|---|---|
| 7911/9133 (87%) | ||
|
Socioeconomic level (tertiles) | ||
| Least deprived | 2484/2840 (88%) | 1.00 |
| Medium | 2640/3028 (87%) | 1.00 (0.98–1.02) |
| Most deprived | 2735/3202 (85%) | 0.99 (0.97–1.01) |
|
Ethnic group | ||
| White | 7483/8595 (87%) | 1.00 |
| Black | 66/75 (88%) | 1.01 (0.93–1.10) |
| South Asian | 120/149 (81%) | 0.93 (0.86–1.01) |
|
Smoking status | ||
| Never | 3693/4216 (88%) | 1.00 |
| Past | 2377/2744 (87%) | 0.99 (0.97–1.00) |
| Current | 1391/1649 (84%) | 0.96(0.94–0.99) |
|
Body mass index (kg m−2) | ||
| <25 | 2848/3292 (87%) | 1.00 |
| 25–29 | 2777/3164 (88%) | 1.02 (0.99–1.04) |
| 30+ | 1856/2172 (86%) | 0.99 (0.97–1.01) |
|
Full-term pregnancy | ||
| Never | 872/1014 (86%) | 1.00 |
| Ever | 7026/8105 (87%) | 1.01 (0.98–1.04) |
|
Oral contraceptive use | ||
| Never | 2837/3290/ (86%) | 1.00 |
| Ever | 4984/5741 (87%) | 1.00 (0.98–1.02) |
|
HT use | ||
| Never | 3448/3983 (87%) | 1.00 |
| Ever | 4374/5049 (87%) | 1.00 (0.98–1.02) |
|
Strenuous exercise (per week) | ||
| <1 | 4764/5542 (86%) | 1.00 |
| 1+ | 2858/3241 (88%) | 1.02 (1.00–1.04) |
|
Alcohol (g per week) | ||
| <20 | 4188/4885 (86%) | 1.00 |
| 20+ | 3657/4170 (88%) | 1.02 (1.01–1.04) |
|
Region | ||
| South | 3949/4550 (87%) | 1.00 |
| Midlands | 1738/2007 (87%) | 1.00 (0.98–1.02) |
| North | 2224/2576 (86%) | 1.00 (0.97–1.03) |
Abbreviations: CI=confidence intervals; FOBt=faecal occult blood testing; HT=hormone therapy; RR=relative risks.
a
Adjusted by age at invitation and calendar year categories, and all other factors listed above as appropriate.