Association Between Dietary Patterns, Weight Loss, and Handgrip Strength Among Qatari Adults with a History of Bariatric Surgery: Results from the Qatar Biobank Study
Cross-sectional analysis finds dietary quality influences muscle strength and weight loss outcomes in bariatric surgery patients.
Key Points
This study aims to explore the links between dietary patterns, weight loss, and handgrip strength in adults who have undergone bariatric surgery.
Analyzed data from 1888 adults (62.3% women, mean age 38.8 years) from the Qatar Biobank study
Identified dietary patterns using factor analysis of a food frequency questionnaire
Measured handgrip strength (HGS) using dynamometry and calculated relative HGS (RHGS) based on HGS/BMI.
Mean weight loss after bariatric surgery was 27.6 kg (23.4%)
Greater weight loss correlated with lower HGS (Q4 vs. Q1: −1.29 (95%CI −2.26 to −0.33)) but higher RHGS (Q4 vs. Q1: 0.10 (0.06 to 0.13))
Higher adherence to a 'prudent diet' linked to increased HGS (Q4 vs Q1: 1.07 (0.18 to 1.96)), while a 'traditional diet' correlated with decreased HGS (Q4 vs. Q1: −1.27 (−2.19 to −0.35)).