Table 2.

Results of univariable and multivariable analyses with complete case analysis: N = 6789.

INDEPENDENT VARIABLES (REFERENCE CATEGORY)	UNADJUSTED β (UNSTANDARDIZED REGRESSION COEFFICIENT)	STANDARD ERROR OF UNADJUSTED β	UNADJUSTED R²	ADJUSTED β (UNSTANDARDIZED REGRESSION COEFFICIENT)	STANDARD ERROR OF ADJUSTED β	ADJUSTED R²(% OF TOTALR²EXPLAINED)
Physician-related variables
Physician age	−0.24^*	0.04	0.005^*	−0.16^*	0.04	0.002 (0.6)^*
Years in medical practice^†	−0.25^*	0.04	0.006^*
Male physician sex	8.55^*	0.82	0.016^*	6.20^*	0.72	0.006 (1.7)^*
Additional postgraduate training after family medicine residency	6.97^*	0.82	0.011^*	3.22^*	0.68	0.002 (0.6)^*
Payment via fee-for-service only	−10.12^*	0.78	0.024^*	−7.88^*	0.68	0.016 (4.6)^*
Availability of health care resources to main practice setting
Specialists	−2.08^*	0.40	0.004^*	−1.13^*	0.35	0.001 (0.3)^‡
Hospital beds	1.09^*	0.37	0.001^‡	0.97^‡	0.36	0.001 (0.3)^‡
Practice organization
No. of different types of allied health professionals in main practice setting	−2.84^*	0.30	0.013^*	1.33^*	0.31	0.002 (0.6)^*
Main practice setting (private office)			0.010^*			0.009 (2.6)^*
• Community clinic, CHC, CLSC	−12.32^*	1.55		−11.87^*	1.50
• Academic family medicine teaching unit	2.24^§	2.22		8.97^*	1.90
Practice type (solo practice)			0.019^*			0.007 (2.0)^*
• Family physician group practice	6.58^*	0.93		5.35^*	0.81
• Family physician–specialist group practice	−7.30^*	1.49		1.95^§	1.32
Geographic variables			0.095^*			0.110 (31.3)^*
Population served (urban)
• Semiurban	16.43^*	0.96		17.20^*	0.86
• Rural	24.57^*	1.03		23.96^*	0.97
Provinces (Quebec)			0.195^*			0.195 (55.6)^*
• Newfoundland and Labrador	28.75^*	2.83		26.89^*	2.59
• Prince Edward Island	35.07^*	3.62		29.91^*	3.28
• New Brunswick	39.73^*	2.63		37.65^*	2.40
• Nova Scotia	34.64^*	2.00		34.54^*	1.85
• Ontario	21.87^*	0.96		27.31^*	0.94
• Manitoba	26.33^*	2.16		26.07^*	1.97
• Saskatchewan	47.54^*	2.16		48.29^*	1.99
• Alberta	33.54^*	1.39		35.52^*	1.31
• British Columbia	40.00^*	1.14		43.68^*	1.14

CHC—community health centre, CLSC—centre local de services communautaires.
↵* P < .001.
↵† Excluded or not significant in multivariable model.
↵‡ P < .01.
↵§ P > .05 (not significant).