Table 2.

Multivariate models for the odds of providing obstetric care (2005–2006 to 2011–2012)

VARIABLES	MODEL

	DELIVERIES, OR (95% CI)	ANY OBSTETRIC CARE, OR (95% CI)
Female sex	0.84 (0.72–0.98)^*	1.46 (1.27–1.69)^†
Year (continuous)	0.92 (0.89–0.95)^†	0.92 (0.89–0.95)^†
Female sex–year interaction	1.05 (1.02–1.09)^‡	1.02 (0.99–1.04)
Rurality-time interaction
• Metropolitan	0.98 (0.94–1.01)	1.01 (0.98–1.04)
• Urban	0.97 (0.93–1.00)	0.96 (0.92–1.00)^*
Age, y
• 35 to < 45 y	0.76 (0.69–0.85)^†	0.78 (0.71–0.86)^†
• 45 to < 55 y	0.79 (0.70–0.88)^†	0.76 (0.68–0.84)^†
• 55 to < 65 y	0.63 (0.55–0.71)^†	0.68 (0.61–0.76)^†
• ≥ 65 y	0.36 (0.30–0.44)^†	0.50 (0.44–0.58)^†
Rurality
• Metropolitan	0.29 (0.24–0.35)^†	0.52 (0.43–0.63)^†
• Urban	0.71 (0.58–0.87)^*	0.84 (0.68–1.04)
International training	1.30 (1.08–1.56)^*	1.69 (1.39–2.05)^†
Rurality-training interaction
• Metropolitan-international	0.70 (0.55–0.89)^*	0.80 (0.64–0.99)^*
• Urban-international	0.80 (0.63–1.02)	0.87 (0.68–1.10)
Higher proportion of alternative payments	0.35 (0.30–0.41)^†	0.30 (0.27–0.33)^†
Higher proportion of contacts with female patients aged 18–44 y	14.26 (10.78–18.87)^†	2.79 (2.18–3.58)^†
Higher proportion of contacts with patients with ≥ 1 major ADGs	0.44 (0.73–1.20)	0.34 (0.28–0.41)^†
Higher proportion of contacts with patients in the lowest income quintile	0.48 (0.32–0.60)^†	0.67 (0.53–0.86)^*