
*Total may exceed 1284; several reasons for exclusion at the abstract level were allowed. †A total of 50 articles were included in the data abstraction. These 50 articles represented 33 studies that reported multiple outcomes and multiple follow-ups. ‡Total may exceed 769; several reasons for exclusion at the article inclusion/exclusion review level were allowed. CINAHL = Cumulative Index of Nursing and Alliance Health Literature; PHE = periodic health evaluation.