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. 2022 Feb 7;17(2):e0263498. doi: 10.1371/journal.pone.0263498

Table 2. Matrix domains and operational definitions.

Domains Definition
Knowledge: SMA structure and content Respondents’ understanding of how SMA were structured at their site impact of SMAs
Knowledge: Patient referrals Organizational processes for referring patients to SMAs
Attitude: Effect on patients Influence of SMAs specific to patients
Attitude: Experience of providers How leading SMA affected provider
Practice: Suggested improvements Respondents’ suggestions for improvements