Table 4.

Association between mailed invitation and FOBT completion or mailed invitation and FOBT or colonoscopy completion after adjusting for physician factors

	FOBT completion		FOBT or colonoscopy completion
	OR (95% CI)	p Value	OR (95% CI)	p Value
Mailed invitation
Yes (Pilot)	3.3 (3.1 to 3.6)	<0.0001	2.7 (2.5 to 2.9)	<0.0001
No (controls)	Reference	NA	Reference	NA
Increasing age (per year)	1.0 (1.0 to 1.0)	NS	1.0 (1.0 to 1.0)	0.03
Sex, N (%)
Female	1.0 (0.9 to 1.1)	NS	1.0 (0.9 to 1.1)	NS
Male	Reference	NA	Reference	NA
Practice type, N (%)
FHG	0.7 (0.6 to 0.8)	<0.0001	0.7 (0.7 to 0.8)	<0.0001
FHO/FHN	0.8 (0.7 to 0.9)	<0.0001	0.8 (0.7 to 0.9)	<0.0001
Other PEM	0.8 (0.7 to 1.0)	0.03	0.8 (0.7 to 1.0)	NS
FHO/FHN-FHT	Reference	NA	Reference	NA
Practice size (enrolled patients)
≤1800 patients	1.2 (1.1 to 1.3)	0.0004	1.2 (1.1 to 1.3)	<0.0001
>1800 patients	Reference	NA	Reference	NA

FHG, family health group; FHO/FHN, family health organisations or networks; FHT, family health team; FOBT, faecal occult blood test; NA, not applicable; NS, not significant; Other PEM, other patient enrolled model of care.