Table 4.

Relationship Between Home Health Agency Accreditation Status, Changes in Accreditation Status, and Quality of Care

	Timely imitation of care		Hospitalization		ED visits
	Coef.	P	Coef.	P	Coef.	P
Model 1
Accreditation status (comparison: not accredited)
Accredited	−0.18	0.258	−0.43	0.000	−0.79	0.000
Time^	0.72	0.000	−0.24	0.000	0.12	0.000
Model 2
Accreditation status change (comparison: lost accreditation) *
Remain unaccredited	0.73	0.061	0.12	0.637	−0.35	0.137
Received accreditation	1.25	0.006	−0.01	0.964	−0.34	0.189
Kept accreditation	1.87	0.000	−0.04	0.864	−0.77	0.000
Accreditation status at baseline year/accredited	−1.49	0.000	−0.33	0.007	−0.46	0.001
Time^	0.68	0.000	−0.35	0.000	0.08	0.000

^{^}The time variable indicated the calendar year in analysis.

^*Status changes between 2 years, e.g., changes of accreditation status from 2015 to 2016, 2016 to 2017, etc.

ED visits, emergency department visits.

All models were controlled for agency characteristics and considering clustering of repeated measures within each agency