Table 3. Frequency distributions and odds ratios for having had a fecal occult blood test in previous two years among Ontarians 50–64 years of age with intellectual and developmental disabilities, by sociodemographic and health care utilization characteristics.

	Fecal occult blood test in previous two years* (n = 2890)		No fecal occult blood test in previous two years* (n = 12,901)		Unadjusted OR (95% CI)	Adjusted † OR (95% CI)
	n	%	n	%
Age group, years
60–64	753	26.1	2973	23.0	1.28 (1.16–1.41)	1.29 (1.16–1.43)
55–59	1016	35.2	4280	33.2	1.20 (1.09–1.31)	1.21 (1.10–1.33)
50–54	1121	38.8	5648	43.8	1.00	1.00
Sex
Female	1444	50.0	5842	45.3	1.21 (1.11–1.31)	1.13 (1.04–1.23)
Male	1446	50.0	7059	54.7	1.00	1.00
Residence
Urban	2381	82.4	10,428	80.8	1.11 (1.00–1.23)	1.10 (0.99–1.23)
Rural	509	17.6	2473	19.2	1.00	1.00
Neighbourhood income quintile ‡
5 (highest)	365	12.7	1591	12.5	1.05 (0.92–1.20)	1.01 (0.88–1.15)
4	432	15.0	1933	15.2	1.02 (0.90–1.16)	0.99 (0.87–1.13)
3	536	18.6	2073	16.3	1.18 (1.05–1.33)	1.14 (1.01–1.29)
2	593	20.6	2739	21.6	0.99 (0.88–1.11)	0.95 (0.85–1.07)
1 (lowest)	956	33.2	4364	34.4	1.00	1.00
Resource utilization band ‖
Very high morbidity	374	12.9	1665	12.9	5.58 (4.02–7.75)	3.51 (2.51–4.89)
High morbidity	563	19.5	2251	17.4	6.21 (4.50–8.57)	3.86 (2.78–5.36)
Moderate morbidity	1600	55.4	6276	48.6	6.33 (4.63–8.66)	3.95 (2.87–5.43)
Low morbidity	266	9.2	1341	10.4	4.93 (3.52–6.89)	3.31 (2.36–4.65)
Healthy users	45	1.6	325	2.5	3.44 (2.22–5.33)	2.50 (1.60–3.89)
Non-users	42	1.5	1043	8.1	1.00	1.00
Enrolled with or seeing a physician in a primary care patient enrolment model
Yes	2324	80.4	8073	62.6	2.46 (2.23–2.71)	2.13 (1.93–2.36)
No	566	19.6	4828	37.4	1.00	1.00

CI: Confidence interval

OR: Odds ratio

*April 1, 2008-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]