Mid-range theory of the nursing diagnosis Overweight.

OBJECTIVE:To build a mid-range theory for the nursing diagnosis Overweight in adolescents and young adults. METHODS:A methodological study in the light of the theoretical frameworks of Roy and of Lopes, Silva and Herdman. A total of 3,925 articles were retrieved and assessed using the State of the Art Through Systematic Review software. The final sample consisted of 28 articles. RESULTS:The findings converged to 3 essential attributes, 13 antecedents, and 7 consequences. A mid-range theory was built consisting of an illustrated diagram, 11 propositions, and 12 causal relationships. FINAL CONSIDERATIONS:From the creation of the theory, it was possible to better understand the nursing diagnosis Overweight within the context of adolescents and young adults. Understanding nursing phenomena contributes to nursing science's advancement and strengthening.