Table 5 Underlying principles cited in relation to socioeconomic enquiries

 Reducing health & healthcare inequalities

[26, 29, 42, 57, 61, 63, 72, 73, 83, 84, 86, 93, 94, 122,123,124,125,126,127]

 Duties and potential roles of doctors

[32, 53, 73, 100, 128, 129]

 Patient-centeredness

[13, 20, 26, 27, 72, 127, 130,131,132,133,134,135,136,137]

 Evidence-based medicine

[67, 138]

 Relevance of measurement and data to healthcare performance

[14, 43, 86]