| | BCC framework dimension | Most commonly used reporting methods (, % of total studies) |
| | Design | Audiotaping and observation (, 1.8%) (study 28) | | Audiotaping and checklist (, 1.8%) (study 2) |
| | Training | In-person observation (, 13%) (studies 6, 8, 12, 16, 17, 26, and 28) | | Role play (, 13%) (studies 9, 14, 21, 38, and 42–44) | | Self-report (, 5%) (studies 2, 12, and 36) | | Interviews (, 5%) (studies 24, 25, and 30) | | Audiotaping (, 5%) (studies 5, 43, and 48) |
| | Delivery | Audiotaping (, 40%) (studies 2, 3, 5, 8, 9, 13, 14, 20, 28, 30, 32–36, 39, and 43–48) | | Checklists (, 28%) (studies 3, 11, 12, 14, 16, 18, 21, 26, 27, 34, 37, and 54) | | Interviews (, 11%) (studies 7, 24, 25, 30, 44, and 45) | | In-person observation (, 5%) (studies 8, 12, and 42) | | Supervision (, 13%) (studies 8, 9, 11, 35, and 46–48) | | Online programme data (, 4%) (studies 13 and 15) | | Protocol adherence data (, 2%) (study 17) | | Provider self-report data (, 5%) (studies 38, 42, and 50) |
| | Receipt | Participant self-reported questionnaire (, 53%) (studies 1, 3, 4, 5, 10, 14, 16, 17, 20, 22, 26, 27, 29–32, 35, 37, 38, 40, 42, 43, 46, 48–50, and 53–55) | | Interviews (, 13%) (studies 1, 3, 19, 25, 37, 45, and 54) | | Observations (, 4%) (studies 2 and 9) |
| | Enactment | Participants self-reported questionnaire (, 55%) (studies 1, 3–6, 16, 17, 20, 22, 25–27, 29, 30–33, 35, 37, 38, 40–43, 46, 48–50, 53, and 54) | | Interviews (, 9%) (studies 1, 3, 19, 37, and 45) | | Provider checklists (, 4%) (studies 12 and 21) |
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