Table 2.
Proportion of individuals invited who were adequately screened†, according to gender, age, IMD quintile‡, hub, and screening round.
| SI | SI + N | Adjusted odds ratio | p value | |
|---|---|---|---|---|
| % (n) | % (n) | (95% CI) | ||
| Total | 58.5 (44,904) | 56.7 (41,822) | 1.00 (0.96–1.03) | 0.80 |
| Gender | ||||
| Female | 60.9 (23,811) | 59.3 (22,499) | 1.01 (0.96–1.05) | 0.77 |
| Male | 56.1 (21,093) | 54.0 (19,323) | 0.98 (0.94–1.03) | 0.50 |
| Age (median split) | ||||
| <65 years | 55.2 (19,014) | 53.3 (18,264) | 1.01 (0.97–1.05) | 0.67 |
| ≥65 years | 61.2 (25,890) | 59.7 (23,558) | 0.98 (0.92–1.04) | 0.45 |
| IMD quintile | ||||
| 1st quintile (0–8.49, least deprived) | 66.8 (11,411) | 64.6 (11,005) | 0.98 (0.93–1.04) | 0.57 |
| 2nd quintile (8.50–13.79) | 62.7 (11,080) | 62.1 (10,253) | 1.00 (0.94–1.06) | 0.91 |
| 3rd quintile (13.80–21.35) | 59.4 (9,601) | 58.3 (8,911) | 1.05 (0.97–1.13) | 0.24 |
| 4th quintile (21.36–34.17) | 52.9 (7,083) | 50.7 (6,535) | 1.00 (0.94–1.06) | 0.95 |
| 5th quintile (34.18–87.80, most deprived) | 46.0 (5,580) | 42.4 (4,966) | 0.92 (0.86–0.98) | 0.02 |
| Hub | ||||
| Midlands and North West | 57.6 (12,163) | 53.4 (11,439) | 0.95 (0.88–1.03) | 0.22 |
| Southern | 60.2 (10,069) | 61.5 (12,712) | 1.00 (0.91–1.10) | 0.98 |
| London | 49.2 (4,327) | 45.4 (3,864) | 1.00 (0.95–1.05) | 0.95 |
| North East | 60.8 (7,837) | 59.1 (7,716) | 0.98 (0.90–1.06) | 0.56 |
| Eastern | 61.2 (10,508) | 60.5 (6,091) | 1.07 (0.99–1.16) | 0.08 |
| Screening round | ||||
| Prevalent first time invitees | 49.8 (6,231) | 50.2 (7,678) | 1.03 (0.99–1.08) | 0.14 |
| Prevalent previous nonresponders | 14.3 (3,284) | 14.0 (3,113) | 0.97 (0.90–1.04) | 0.35 |
| Incident episodes | 85.7 (35,389) | 85.6 (31,031) | 0.99 (0.94–1.04) | 0.64 |
SI: standard information; SI + N: standard information plus narrative leaflet
†Returned a gFOBt kit (or kits) within 18 weeks of being sent the invitation, with a definitive “normal” (no further investigation required) or “abnormal” (requiring referral for further investigation, usually colonoscopy) screening test result available at the time of data extraction.
‡546 (274 SI and 272 SI + N) individuals missing an IMD score, 301 of these were adequately screened (149 SI and 152 SI + N).