Table 2.

Interrupted time series models on changes in total and out-of-pocket spending on mental health services among individuals diagnosed with eating disorders, 2007–2012

	Coefficient	Standard Error	P-Value	Effect through first year post-parity enforcement
				Estimate	Fa	p-value
Total mental health spending
Average total mental health spending per month among individuals with eating disorders				1,271.92	26.35	<.001
Parity	14.58	26.18	.580
Time	−3.85	.49	<.001
Parity*Time	4.94	1.01	<.001
Out-of-pocket mental health spending
Average out-of-pocket mental health spending per month among individuals with eating disorders				112.99	1.46	.234
Parity	4.71	9.72	.630
Time	−.54	.19	.007
Parity*Time	.25	.39	.522
Outpatient mental health spending
Average outpatient mental health spending per month among individuals with eating disorders who had outpatient use				543.86	2.95	.093
Parity	−3.72	33.21	.911
Time	−.69	.64	.286
Parity*Time	2.65	1.31	.049
Inpatient mental health spending
Average inpatient mental health spending per month among individuals with eating disorders who had inpatient use				35,589.00	5.13	.029
Parity	3,471.00	1,667.00	.043
Time	−37.05	31.24	.242
Parity*Time	−27.31	63.87	.671

^adf=1, 44

Note: Estimates for first year post-parity reflect the effect of parity through the first year of parity enforcement.