Table 1.1 Survey forms accounting and response rates: N-SSATS 2008
			Number	Percent
Total facilities in survey			17,323	100.0
Closed/Ineligible			1,988	11.5
Eligible			15,335	88.5
Total eligible			15,335	100.0
Nonrespondents			912	5.9
Respondents			14,423	94.1
Excluded from Report1			404	2.6
Roll-ups2			331	2.2
Included in Report			13,688	89.3
Mode of Response			13,688	100.0
Mail			4,501	32.9
Internet			6,627	48.4
Telephone			2,560	18.7
1 Facilities for which client counts were reported by another facility, and no facility information was received from the facility itself. 2 Facilities whose client counts were included in or “rolled into” other facilities’ counts and whose facility characteristics were not reported separately. SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, National Survey of Substance Abuse Treatment Services (N-SSATS), 2008.