Influence of activity on quality of life scores after RYGBP.

Gastric bypass is one of the medically acceptable interventions for weight loss for the obese. Quality of life greatly improves after surgery. Most improvements in quality of life (QOL) after these surgeries are attributed to the weight loss. Few studies have demonstrated any contribution of other variables to positive outcomes in QOL. The purpose of this study was to suggest variables that improve QOL in this post-surgical population. The Arizona Activity Frequency Questionnaire, the Arizona Food Frequency Questionnaire, and the SF-36 survey were sent to all of the Roux-en-Y gastric bypass procedure (RYGBP) patients who had surgery 1-5 years prior to the study and performed through the same bariatric surgery center (n = 805; respondents = 265; 33%). Analysis was performed through ANOVA testing to determine relationships between selected behaviors and the SF-36 of the respondents. Comparisons of differences in SF-36 scores were analyzed using the variables of hours of activity/day (HOAD) and energy in activity/day (EEAD). Patients with more EEAD and HOAD demonstrated significantly better SF-36 scores in both mental component and physical component scores (p = 0.05) when compared to those with less EEAD or HOAD. Outcomes measured by the SF-36 tool were improved after RYGBP, if the patient expended more energy/day or was active more hours/day. The post-bariatric surgery populations will have improved QOL if the patients expend more energy and are active more hours as demonstrated in activity/day after their surgery.