Patterns of utilization and effects of hospital-specific factors on physical, occupational, and speech therapy for critically ill patients with acute respiratory failure in the USA: results of a 5-year sample

Table 3 Multivariate analysis: association of insurance status, geographic region, and teaching status on therapy orders

Variable		Physical therapy		Occupational therapy		Speech therapy
Variable		N	OR (95% CI)	N	OR (95% CI)	N	OR (95% CI)
Payor	Medicaid	21,583	–	14,059	–	12,117	–
	Medicare	100,852	1.02 (0.99–1.05)	59,535	0.96* (0.94–0.97)	49,448	0.87* (0.86–0.89)
	Private	35,138	1.04* (1.01–1.07)	22,682	1.01 (0.98–1.03)	16,494	0.80* (0.79–0.81)
	Self-pay	9361	0.88* (0.86–0.89)	6291	0.89* (0.85–0.93)	5071	0.88* (0.86–0.89)
	Other	7230	1.13* (1.12–1.15)	4965	1.20* (1.14–1.25)	3852	0.98 (0.93–1.03)
	Charity	1447	0.94 (0.86–1.03)	780	0.90* (0.84–0.95)	788	0.88*(0.80–0.97)
Region	Midwest	31,648	–	25,259	–	15,695	–
	West	29,744	0.85* (0.74–0.98)	15,027	0.57* (0.43–0.77)	14,550	1.09 (0.93–1.28)
	Northeast	85,611	0.76* (0.66–0.88)	49,306	0.26* (0.19–0.36)	41,050	0.79* (0.67–0.94)
	South	28,608	0.79* (0.70–0.88)	18,720	0.32* (0.25–0.40)	16,475	0.79* (0.70–0.90)
Teaching status	Private	89,597	–	51,832	–	43,661	–
Teaching status	Academic	86,014	1.20* (1.8–1.22)	56,480	1.81* (1.47–2.23)	44,109	1.16* (1.07–1.26)

Reference groups included Medicaid insurance status, Midwest region, and private teaching status. *Indicates results at a 0.05 significance level

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