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Background Obesity prevalence is increasing globally. Bariatric surgery is an effective treatment for severe and complex obesity resulting in significant and sustained weight loss. In Sweden, most bariatric surgery patients are referred by primary care physicians. We aimed to explore barriers for physicians to refer patients with severe and complex obesity for bariatric surgery. Methods A questionnaire survey was in 2019 emailed to 1100 primary care physicians in the Skåne and Kronoberg regions in south Sweden. The survey focused on referral patterns, knowledge and attitudes towards bariatric surgery and concerns about postoperative complications. We created different statistical indices for referral patterns, knowledge, attitudes and concerns about bariatric surgery. To analyze the correlation between these indices, we did Spearman’s correlations and regression analyses. Results Of 1100 email respondents, we received 157 (14%) completed surveys. Among 157 physician respondents, 73% answered that they had good knowledge about the referral criteria for bariatric surgery, whereas 55 and 60% answered correctly to two items on criteria for bariatric surgery. A majority of respondents (84%) stated that their patients initiated referral to bariatric surgery. Half of the respondents had concerns about postoperative medical and surgical complications, but another half had a positive attitude to bariatric surgery as a treatment for obesity comorbidities. Almost half of the respondents (44%) answered that they needed to learn more about bariatric surgery. We found significant positive correlations between high knowledge and referral patterns (r = 0.292, p p p Conclusion According to this Swedish survey among primary care physicians, high levels of concerns about bariatric surgery among physicians seemed to be a barrier to refer patients with severe and complex obesity for bariatric surgery. Since high knowledge about obesity and bariatric surgery correlated negatively to concerns and positively to favorable attitudes to bariatric surgery, more knowledge about obesity and bariatric surgery is warranted.

Background The prevalence of obesity, as well as use of bariatric surgery, has increased worldwide. The aim of the present study was to investigate the potential differences in the use of bariatric surgery among Swedes and immigrants in Sweden and whether the hypothesized differences remain after adjustment for socioeconomic factors. Methods A closed cohort of all individuals aged 20–64 years was followed during 2001–2010. Further analyses were performed in 2 periods separately (2001–2005 and 2006–2010). Age-standardized cumulative incidence rates (CR) of bariatric surgery were compared between Swedes and immigrants considering individual variables. Cox proportional hazards models were used in univariate and multivariate models for males and females. Results A total of 12,791 Swedes and 2060 immigrants underwent bariatric surgery. The lowest rates of bariatric surgery were found in immigrant men. The largest difference in CR between Swedes and immigrants was observed among low-income individuals (3.4 and 2.3 per 1000 individuals, respectively). Adjusted hazard ratios (HRs) were lower for all immigrants compared with Swedes in the second period. The highest HRs were observed among immigrants from Chile and Lebanon and the lowest among immigrants from Bosnia. Except for Nordic countries, immigrants from all other European countries had a lower HR compared with Swedes. Conclusions Men in general and some immigrant groups had a lower HR of bariatric surgery. Moreover, the difference between Swedes and immigrants was more pronounced in individuals with low socioeconomic status (income). It is unclear if underlying barriers to receive bariatric surgery are due to patients' preferences/lack of knowledge or healthcare structures. Future studies are needed to examine potential causes behind these differences.

The aim of the present study was to examine demographic and socioeconomic differences and time trends of bariatric surgery in Sweden during 1990-2010.An open cohort of all individuals aged 20-64 years was followed between 1990 and 2010. Socioeconomic differences were examined during two periods: 1990-2005 and 2006-2010 using cumulative rates in a closed cohort. Hazard ratios (HRs) of bariatric surgery were calculated in these two periods using Cox regression models.A majority of the 22,198 individuals that underwent bariatric surgery were women (76.3 %). Women were more likely to undergo surgery in younger ages (30-39 years), while men were more likely to undergo surgery around 10 years later (40-49 years). The number of surgeries increased substantially during the second period. During the whole period, the dominating surgical method was gastric bypass contributing to 69.4 % of the procedures. HRs for bariatric surgery were highest for individuals with intermediate educational level and intermediate-low income in both periods. For married/cohabiting and/or employed individuals, the HRs were highest during the first period whereas an opposite pattern was seen in the second period.Individuals in the lowest socioeconomic groups undergo bariatric surgery less often than those with intermediate income and educational level, although previous research has shown that those with low socioeconomic status have the highest rates of morbid obesity. The failure to identify eligible individuals for surgery may result in negative effects on those individuals with the largest need for weight loss.