Table 1.

Consolidated criteria for reporting qualitative studies (COREQ): 32-item checklist

No	Item	Guide questions/description
Domain 1: Research team and reflexivity
Personal characteristics
1.	Interviewer/facilitator	Which author/s conducted the interview or focus group? JK, ME
2.	Credentials	What were the researcher's credentials? For example, PhD, MD PhD
3.	Occupation	What was their occupation at the time of the study? Research Associate
4.	Gender	Was the researcher male or female? Female (JK); Male (ME)
5.	Experience and training	What experience or training did the researcher have? Coverage of qualitative methodology and interview technique in PhD. Formal training on qualitative research methods from at BSc/BA and MSc.
Relationship with participants
6.	Relationship established	Was a relationship established prior to study commencement? No
7.	Participant knowledge of the interviewer	What did the participants know about the researcher? for example, personal goals, reasons for doing the research Both JK and ME had met the interviewees on several occasions. ME recruited them to the study and JK conducted process evaluation while they were delivering the intervention.
8.	Interviewer characteristics	What characteristics were reported about the interviewer/facilitator? for example, Bias, assumptions, reasons and interests in the research topic None
Domain 2: study design
Theoretical framework
9.	Methodological orientation and Theory	What methodological orientation was stated to underpin the study? for example, grounded theory, discourse analysis, ethnography, phenomenology, content analysis Study was underpinned by self-determination theory. Qualitative analysis was conducted using a framework analysis
Participant selection
10.	Sampling	How were participants selected? for example, purposive, convenience, consecutive, snowball Purposive sampling for qualitative focus groups. All dance instructors delivering the intervention and all school contacts were interviewed/
11.	Method of approach	How were participants approached? for example, face-to-face, telephone, mail, email Focus groups were conducted face to face Interviews with dance instructors conducted face to face One interview with a school contact was conducted via telephone. The remaining interviews were conducted face to face.
12.	Sample size	How many participants were in the study? Semi-structured interviews were conducted with all dance instructors who delivered the intervention (n=10) and school contacts (n=9) in intervention schools. A focus group (n=9) was conducted with girls who participated in each intervention school (n=59).
13.	Non-participation	How many people refused to participate or dropped out? Reasons? Twelve participants withdrew from the study. 6 no longer wanted to participate 4 had illness(es) 1 relocated 1 excluded from school
Setting
14.	Setting of data collection	Where was the data collected? for example, home, clinic, workplace All focus groups conducted in schools. One school contact interview conducted via phone, all remaining conducted in school. Dance instructor interviews conducted in a range of settings.
15.	Presence of non-participants	Was anyone else present besides the participants and researchers? No
16.	Description of sample	What are the important characteristics of the sample? for example, demographic data, date Focus group: All Year 7 girls. Dance instructor interviews: All female School contacts: All teaching staff. One male, the remaining female.
Data collection
17.	Interview guide	Were questions, prompts, guides provided by the authors? Was it pilot tested? Yes. No pilot conducted with final version of interview guide.
18.	Repeat interviews	Were repeat interviews carried out? If yes, how many? No
19.	Audio/visual recording	Did the research use audio or visual recording to collect the data? Audio recordings made for each interview/focus group.
20.	Field notes	Were field notes made during and/or after the interview or focus group? No.
21.	Duration	What was the duration of the interviews or focus group? Average length Focus group: average length=42.38 min (range=30.35–50.23 min) Dance instructor interviews: average length=67.20 min (range=41.35–91.36 min) School contact interviews: average length=29.35 min (range=22.07–38.41 min)
22.	Data saturation	Was data saturation discussed? Yes
23.	Transcripts returned	Were transcripts returned to participants for comment and/or correction? No