Table 4. Frequency distributions and odds ratios for being up-to-date with colorectal tests as of March 31, 2010 among Ontarians 50–64 years of age with intellectual and developmental disabilities, by sociodemographic and health care utilization characteristics.
| Up-to-date with colorectal tests* (n = 5049) | Not up-to-date with colorectal tests* (n = 10,742) | Unadjusted OR (95% CI) | Adjusted † OR (95% CI) | |||
|---|---|---|---|---|---|---|
| n | % | n | % | |||
| Age group, years | ||||||
| 60–64 | 1345 | 26.6 | 2381 | 22.2 | 1.40 (1.28–1.52) | 1.36 (1.25–1.49) |
| 55–59 | 1754 | 34.7 | 3542 | 33.0 | 1.22 (1.13–1.32) | 1.21 (1.12–1.31) |
| 50–54 | 1950 | 38.6 | 4819 | 44.9 | 1.00 | 1.00 |
| Sex | ||||||
| Female | 2523 | 50.0 | 4763 | 44.3 | 1.26 (1.17–1.34) | 1.15 (1.07–1.23) |
| Male | 2526 | 50.0 | 5979 | 55.7 | 1.00 | 1.00 |
| Residence | ||||||
| Urban | 4116 | 81.5 | 8693 | 80.9 | 1.04 (0.95–1.13) | 1.02 (0.93–1.11) |
| Rural | 933 | 18.5 | 2049 | 19.1 | 1.00 | 1.00 |
| Neighbourhood income quintile ‡ | ||||||
| 5 (highest) | 672 | 13.4 | 1284 | 12.2 | 1.20 (1.07–1.34) | 1.16 (1.04–1.30) |
| 4 | 780 | 15.5 | 1585 | 15.0 | 1.13 (1.02–1.25) | 1.10 (0.99–1.23) |
| 3 | 905 | 18.0 | 1704 | 16.1 | 1.22 (1.10–1.34) | 1.19 (1.07–1.31) |
| 2 | 1045 | 20.8 | 2287 | 21.7 | 1.05 (0.95–1.15) | 1.03 (0.93–1.13) |
| 1 (lowest) | 1617 | 32.2 | 3703 | 35.1 | 1.00 | 1.00 |
| Resource utilization band ‖ | ||||||
| Very high morbidity | 804 | 15.9 | 1235 | 11.5 | 10.56 (8.07–13.83) | 7.48 (5.68–9.85) |
| High morbidity | 1105 | 21.9 | 1709 | 15.9 | 10.49 (8.04–13.68) | 7.40 (5.64–9.71) |
| Moderate morbidity | 2655 | 52.6 | 5221 | 48.6 | 8.25 (8.37–10.68) | 5.80 (4.45–7.55) |
| Low morbidity | 364 | 7.2 | 1243 | 11.6 | 4.75 (3.59–6.29) | 3.56 (2.68–4.74) |
| Healthy users | 58 | 1.1 | 312 | 2.9 | 3.02 (2.07–4.40) | 2.39 (1.63–3.51) |
| Non-users | 63 | 1.2 | 1022 | 9.5 | 1.00 | 1.00 |
| Enrolled with or seeing a physician in a primary care patient enrolment model | ||||||
| Yes | 3850 | 76.3 | 6547 | 60.9 | 2.06 (1.91–2.22) | 1.71 (1.58–1.85) |
| No | 1199 | 23.7 | 4195 | 39.1 | 1.00 | 1.00 |
CI: Confidence interval
OR: Odds ratio
*Fecal occult blood test in previous two years (April 1, 2008-March 31, 2010); sigmoidoscopy in previous five years (April 1, 2005-March 31, 2010); or colonoscopy in previous ten years (April 1, 2000-March 31, 2010)
†Models adjusted for all variables shown in table
‡209 missing values
‖A validated measure of morbidity that defines an individual’s expected use of health care resources [24]