Table 2.

Trial Data Collection and Analysis Timeline

Phase and Components	Specific Activities
Preintervention phase: Sep 2015-Mar 2017
Quantitative data collection	Baseline surveys (practice survey, practice member survey)
Intervention phase: Dec 2015-Nov 2017
Quantitative data collection: Dec 2015-Nov 2017a	Quarterly ABS reports
Qualitative data collection: Jul 2016-Apr 2017	Interviews with 80 study participants: 41 Facilitators 39 Leaders of facilitator organizations and cooperatives
Postintervention phase: Nov 2016-Apr 2018
Quantitative data collection: Nov 2016-Dec 2017	Postintervention surveys (practice survey, practice member survey)
Qualitative data collection: Sep 2017-Aug 2018	Interviews with 74 facilitators: 28 Previously interviewed during intervention phase 46 Newly interviewed
Analysis phase: Mar 2020-Dec 2021
Quantitative data analyses	Analyses of descriptive data from 162 facilitators (158 external, 4 internal)
Qualitative data analyses	Analyses based on interviews with 36 of 87 facilitators interviewed: 23 More effective facilitators 13 Less effective facilitators

ABS = aspirin use for high-risk patients, blood pressure control, smoking cessation counseling.

^aThe active interventions ranged in duration from 3 to 18 months.