TABLE VI.

Logistic regression model predicting high costs after cancer treatment

Predictora	Reference group	Population having ...
		Low costs before cancer		High costs before cancer
		Adjusted OR estimate	95% CI	Adjusted OR estimate	95% CI
Age	45–64 Years
18–44 Years		0.98	0.90 to 1.07	0.77c	0.65 to 0.92
65–74 Years		1.75b	1.66 to 1.85	1.77b	1.61 to 1.95
75–84 Years		2.43b	2.27 to 2.61	2.21b	1.99 to 2.45
85+ Years		2.49b	2.17 to 2.86	2.79b	2.38 to 3.28
Sex	Men
Women		0.91c	0.85 to 0.97	1.02	0.93 to 1.12
Neighbourhood income quintile	5 (highest)
1 (lowest)		1.17b	1.08 to 1.25	1.34b	1.19 to 1.50
2		1.07	1.00 to 1.15	1.20c	1.07 to 1.35
3		1.03	0.96 to 1.10	1.15d	1.03 to 1.29
4		1.00	0.94 to 1.07	1.03	0.92 to 1.16
Cancer site	Breast
Bones and joints		0.59	0.33 to 1.05	0.43	0.18 to 1.04
Brain and other nervous system		1.75b	1.32 to 2.32	0.91	0.63 to 1.32
Digestive system		0.98	0.90 to 1.07	0.79c	0.69 to 0.92
Endocrine system		0.71b	0.62 to 0.80	0.59b	0.48 to 0.73
Eye and orbit		0.63d	0.42 to 0.96	0.72	0.40 to 1.31
Female genital system		0.77b	0.69 to 0.85	0.64b	0.54 to 0.77
Leukemia		1.12	0.94 to 1.34	0.80	0.61 to 1.06
Lymphoma		1.06	0.93 to 1.20	0.87	0.70 to 1.06
Male genital system		1.01	0.91 to 1.12	0.77c	0.65 to 0.92
Miscellaneous malignancy		1.00	0.79 to 1.27	0.65d	0.47 to 0.91
Myeloma		2.91b	2.07 to 4.09	1.30	0.86 to 1.97
Oral cavity and pharynx		0.58b	0.49 to 0.68	0.68c	0.52 to 0.89
Respiratory system		0.88d	0.78 to 0.99	0.72b	0.61 to 0.84
Skine		0.45b	0.39 to 0.51	0.58b	0.47 to 0.71
Soft tissue, including heart		0.81	0.61 to 1.07	0.72	0.48 to 1.09
Urinary system		1.11	0.99 to 1.26	0.86	0.72 to 1.03
Cancer stage	I
0		0.94	0.52 to 1.68	0.72	0.36 to 1.43
II		1.18b	1.10 to 1.27	1.19c	1.06 to 1.33
III		1.74b	1.60 to 1.88	1.36b	1.19 to 1.56
IV		2.73b	2.44 to 3.05	1.40b	1.17 to 1.67
Unknown		1.13c	1.04 to 1.22	1.15d	1.03 to 1.29
Comorbidities	0
1		1.21b	1.13 to 1.28	1.09	0.94 to 1.26
2		1.54b	1.44 to 1.64	1.69b	1.47 to 1.95
3		1.75b	1.62 to 1.90	2.39b	2.06 to 2.76
≥4		2.50b	2.26 to 2.76	4.13b	3.56 to 4.79
Rurality	Urban
Rural		0.99	0.92 to 1.06	0.97	0.87 to 1.09
Continuity of care index	Low
High		0.91b	0.86 to 0.95	0.89c	0.82 to 0.96
Primary care model	Traditional FFS
Enrolment FFS		0.93	0.87 to 1.01	0.94	0.83 to 1.06
Enrolment capitation		0.97	0.89 to 1.05	1.02	0.89 to 1.17
Team capitation		1.07	0.99 to 1.16	1.07	0.94 to 1.22
Other		1.04	0.84 to 1.30	1.12	0.82 to 1.54
Length of cancer episode		1.01b	1.01 to 1.02	1.01d	1.00 to 1.02
Visits per month to ...
Specialist, non-cancer-related		1.09b	1.08 to 1.10	1.08b	1.06 to 1.09
Family physician, non-cancer related		1.06b	1.04 to 1.08	1.08b	1.06 to 1.11
Family physician, cancer related		1.02	0.99 to 1.05	0.95b	0.92 to 0.98
Specialist, cancer-related, and Oncology		1.03b	1.02 to 1.04	1.01	0.99 to 1.03

^aThe predictive models were adjusted for Local Health Integration Network; however, any effects were nonsignificant (data not shown).

^bp < 0.001.

^cp < 0.01.

^dp < 0.05.

^eExcluding basal and squamous cell.

OR = odds ratio; CI = confidence interval; FFS = fee-for-service.