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This important paper by Pederson and colleagues provides evidence of a relationship between GP burnout and patient multimorbidity in practices in Denmark.1 This relationship was significant in unadjusted analysis, but disappeared when adjusted for patient age and sex, leading the authors to conclude that the burden of multimorbidity of older patients added to ‘actual work pressure’. This conclusion, if correct, means that practices with older patients have greater work pressure, and GPs in such practices will be at greater risk of burnout.
Before such a conclusion can be reached, there are critical points to consider. It is established that multimorbidity is more common and occurs at an earlier age in deprived areas in high-income countries,2,3 including Denmark.4 A previous study by the same group showed higher burnout in GPs working in deprived areas.5 These studies seem incompatible with the current findings.
The answer is likely to lie in how multimorbidity was defined and measured in this study. Multimorbidity was operationalised as two or more physical chronic conditions, as recorded in secondary care data. Such a definition will have two effects: to underestimate the true prevalence of multimorbidity in primary care and to exclude the contribution that mental health conditions make to multimorbidity (usually defined as two or more mental and/or physical conditions).
Our conjecture is that the management of mental–physical multimorbidity is more challenging than physical multimorbidity, especially if physical conditions are concordant. In our previous work, the common physical conditions in those with multimorbidity aged >75 years were all concordant: hypertension, coronary heart disease, chronic kidney disease, diabetes, and stroke.6 In deprived areas, where patients are younger, the common physical morbidities are discordant (chronic pain, asthma, hypertension).6 The combination of discordant physical conditions, a range of mental illnesses (for example, addiction, depression),6 and the social problems that patients present in deprived areas7 demands a holistic generalist response and has been shown to lead to increased GP stress.7 It is essential that this is fully taken into account before reaching conclusions around the relationship of GP burnout to multimorbidity.
- © British Journal of General Practice 2020