– The JD-R model, which you rightly identify as dominant, uses “burnout” (especially exhaustion) and “engagement” as primary outcome variables. A review aiming to synthesize theoretical applications that does not actively search for these terms risks presenting an incomplete map of the theoretical landscape.
– The antecedents and outcomes you synthesize (Fig. 5) might look different if studies focused on “burnout” as the key mental health indicator were included. For instance, the role of “fun at work” or “serious leisure” might be discussed differently in relation to exhaustion versus general stress.
– The suggested future avenue of studying “levels of burnout” is prescient, but the need for it is arguably underscored by the possibility that the initial search missed existing burnout research.
