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This cross-sectional study aimed to determine the prevalence of obesity and perceived barriers to weight loss in 1453 Bahraini adults who had used any intervention to lose weight in the past year. We found a high prevalence (78.2%) of overweight and obesity. Females were more likely to have obesity compared to males (81.4% vs. 66.7%). Older individuals aged 36-45 were 3.37 times, and 45 or older were 3.56 times more likely to have obesity. Married participants had higher odds of obesity compared to single participants (OR=1.79). Participants with obesity were more likely to be unemployed compared to students (OR=1.49). The most common contributing factors to weight gain were lack of physical activity (29.5%) and unhealthy diet (29.2%). Participants with obesity were more likely to have relied on dieting (OR=2.53) or exercise (OR=1.47) for weight loss and used medication (OR=5.23). This study highlights the complex relationship between sociodemographic factors, lifestyle behaviors, and obesity and sustaining weight loss.本项横断面研究旨在针对过去一年内曾采取过任意减肥干预措施的1453名巴林成年人，明确其肥胖患病率以及减肥过程中感知到的各类障碍因素。研究结果显示，该人群超重与肥胖的总患病率达78.2%。女性肥胖患病率显著高于男性（81.4% vs. 66.7%）。36~45岁年龄段人群的肥胖发生风险为其他人群的3.37倍，45岁及以上人群的肥胖发生风险则为3.56倍。已婚受试者的肥胖发生风险高于未婚受试者（优势比（Odds Ratio，OR）=1.79）。与学生群体相比，肥胖受试者更易处于失业状态（OR=1.49）。导致体重增加的最常见诱因依次为缺乏体力活动（29.5%）与饮食不健康（29.2%）。肥胖受试者更倾向于通过节食（OR=2.53）、运动（OR=1.47）以及药物干预（OR=5.23）来实现减肥目标。本研究揭示了社会人口学因素、生活方式行为与肥胖及减重维持之间的复杂关联。