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Table 2 Association between agency survey completion and interview participation, n = 194

From: Factors influencing the long-term sustainment of quality improvements made in addiction treatment facilities: a qualitative study

  Agencies interviewed (n = 33) Agencies not interviewed (n = 161) p
Mean (SD) Mean (SD)
Baseline 8.2 (3.8) 7.2 (3.5) .134
+ 9 months 6.3 (3.6) 5.4 (4.1) .257
+ 18 months 7.1 (3.9) 5.6 (4.0) .042
+ 27 months 6.5 (4.5) 4.7 (4.0) .021
  1. Surveys asked agency staff about the use of promising practices and other measures of intervention engagement. Multiple respondents at each agency were encouraged. Means represent the number of agency staff completing surveys at each time period