Table 2 Measurement tools and their subscales identified in the included studies

Patient Practitioner Orientation Scale (PPOS)

The scale contains 18 items scored on a 6-point Likert scale (1 = strongly disagree to 6 = strongly agree) where higher scores indicate higher attitudes towards patient centred care. The scale consists of two subscales (sharing and caring) each with 9 questions. The overall score is computed as the mean of the scores for the 18 items. Sharing and caring scores are computed as the mean of the score for their respective scales

26

Adapted-Patient Practitioner Orientation Scale

The scale contains 9 items scored on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient centred care

1

CR-Patient Practitioner Orientation Scale

The scale contains 11 items scared on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient centred care

1

Patient Practitioner Orientation Scale- D12

The scale contains 12 items scored on a 6-point Likert scale (1 = strongly disagree to 6 = strongly agree) where higher scores indicate higher attitudes towards patient centred care. The scale consists of two subscales (sharing and caring) each with 6 questions. The overall score is computed as the mean of the scores for the 12 items. Sharing and caring scores are computed as the mean of the score for their respective scales

1

Readiness for Interprofessional Learnnig Scale (RIPLS)

The scale contains 26 items, 5 of which assess attitudes towards patient centred care scored on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient centred care

5

Doctor-Patient Scale

The scale contains 48 items scored on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient-centred care

4

Interprofessional attitudes scale (IPAS)

The scale contains 27 items scored on a 7-point Likert scale (1 = strongly disagree to 7 = strongly agree) where higher scores indicate more attitudes towards patient centred care

2

Patient-centredness Multi-choice Questionnaire (PMQX)

The scale contains 10 items. The details of the scoring were not reported

1

Health Beliefs Attitudes Survey (HBAS)

The scale contains 15 items scored on a 6-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient centred care

1

Nelson-Jones and Patterson Counsellor Attitude Scale

The scale contains 70 items. Participants are asked to read each item and to respond by indicating that they agreed with, disagreed with or could not decide about each item

1

Tucker-Culturally Sensitive Health Care Inventory Provider Form (T-CSHCI)

The scale contains 53 items of which 23 items assesses attitudes towards patient centred care scored on a 4-point Likert scale (1 = strongly disagree to 4 = strongly agree) where higher scores indicate more attitudes towards patient-centred care

1

No name reported (Beach et al. 2007)

The scale contains 9 items scored on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient centred care

1

No name reported (Ster et al. 2015)

The scale contains 60 items scored of which 1 item assesses attitudes towards patient centred care scored on a 7-point Likert scale (1 = total disagreement to 7 = total agreement) where a higher score indicates more attitudes towards patient centred care

1

No name reported (Stoner et al. 2018)

The scale contains 22 items of which 9 assesses attitudes towards patient centred care scored on 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicates more attitudes towards patient centred care

1

No name reported (Hauer 2010 et al.)

The scale contains 9 items scored on a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree) where higher scores indicate more attitudes towards patient centred care

1

No name reported (Welch Bacon 2018 et al.)

The scale contains 71 items of which 11 assesses attitudes towards patient centred care scored on a 4-point Likert scale (1 = strongly disagree to 4 = strongly agree) where higher scores indicate more attitudes towards patient centred care

1