Abstract
The purpose of the present study was to determine the psychological impact of the Staged Nutrition and Activity Counseling (SNAC) trial; a multi-site, physician-delivered intervention. Participants were eligible for the study if they were between the ages of 30-85 and had elevated BP and BG. Participants (n = 65) attended 5 study visits over the course of 12-months. At each visit, they received a Step Test and Exercise Prescription (STEP™), and were counseled on adopting a Mediterranean style diet. In addition, they completed the following questionnaires: 1) Physical Activity Self Efficacy (PASE); 2) Food Self Efficacy (FSE); 3) Decisional Balance for Physical Activity (DBPA); 4) Decisional Balance for Food (DBF) and; 5) quality of life (QOL; SF-36). No changes were reported in DBPA or DBF across time (P > 0.05). However, both PASE (P = 0.000) and FSE (P = 0.008) improved over time and were sustained at 6- and 12-months respectively. In terms of QOL, the role-physical (P = 0.000), general health (P = 0.000), vitality (P = 0.000), and mental health (P = 0.002) dimensions of the SF-36 all improved from baseline and were sustained at the 12-month visit. Based on the results, for patients with elevated BP and BG, physician-delivered STEP™ plus nutritional counseling may be effective at improving some of the psychological precursors to adopting a physically active and healthy lifestyle.
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