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Investigation of the association between coffee and risk of RA—results from the Swedish EIRA study
Arthritis Research & Therapy ( IF 4.9 ) Pub Date : 2022-07-26 , DOI: 10.1186/s13075-022-02862-2
Helga Westerlind 1 , Justine Dukuzimana 1 , Xiaomin Lu 1 , Lars Alfredsson 2 , Lars Klareskog 3 , Daniela Di Giuseppe 1
Affiliation  

Studies on the association between coffee, a modifiable lifestyle factor, and rheumatoid arthritis (RA), a chronic autoimmune disease primarily affecting the joints, have been conflicting. The aim of the present study was to study the association between coffee consumption and risk of RA in the context of different lifestyle factors. We included 2184 cases (72% women, mean age 55 years) newly diagnosed with RA during 2005–2018 in Sweden and 4201 controls matched on age, sex, and residential area. Data on coffee consumption was collected through a food frequency questionnaire and categorized into < 2 (reference), 2–< 4, 4–< 6, and ≥ 6 cups/day. We calculated odds ratios (OR) with 95% confidence intervals (CI) for coffee consumption and risk of RA, in a crude model (taking matching factors into account), and then adjusted first for smoking and further for BMI, educational level, alcohol consumption, and physical activity. We also stratified analyses on sex, smoking, rheumatoid factor, and anti-CCP2 status. In the crude model, high coffee consumption was associated with increased risk of RA (OR = 1.50, 95% CI 1.20–1.88 for ≥ 6 cups/day compared to < 2 cups). After adjusting for smoking, the OR decreased and was no longer statistically significant (OR = 1.16, 95% CI 0.92–1.46) and decreased further in the full model (OR = 1.14 95% CI 0.89–1.45). This pattern held true in all strata. The findings from this large, population-based case-control study did not support a significant association between coffee consumption and risk of RA as a whole nor within different subgroups.

中文翻译:

调查咖啡与 RA 风险之间的关系——瑞典 EIRA 研究的结果

关于咖啡(一种可改变的生活方式因素)与类风湿关节炎(RA)(一种主要影响关节的慢性自身免疫性疾病)之间关联的研究一直相互矛盾。本研究的目的是在不同生活方式因素的背景下研究咖啡消费与 RA 风险之间的关联。我们纳入了 2005-2018 年期间在瑞典新诊断为 RA 的 2184 例(72% 女性,平均年龄 55 岁)和 4201 名年龄、性别和居住区匹配的对照。通过食物频率问卷收集咖啡消费数据,并将其分为< 2(参考)、2–< 4、4–< 6 和 ≥ 6 杯/天。我们在粗略模型(考虑匹配因素)中计算了咖啡消费和 RA 风险的 95% 置信区间 (CI) 的优势比 (OR),然后首先针对吸烟进行调整,然后再针对 BMI、教育水平、饮酒和身体活动进行调整。我们还对性别、吸烟、类风湿因子和抗 CCP2 状态进行了分层分析。在粗略模型中,高咖啡摄入量与 RA 风险增加相关(OR = 1.50,95% CI 1.20–1.88 ≥ 6 杯/天与 < 2 杯相比)。调整吸烟后,OR 下降且不再具有统计学意义(OR = 1.16, 95% CI 0.92–1.46),并且在完整模型中进一步下降(OR = 1.14 95% CI 0.89–1.45)。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。和身体活动。我们还对性别、吸烟、类风湿因子和抗 CCP2 状态进行了分层分析。在粗略模型中,高咖啡摄入量与 RA 风险增加相关(OR = 1.50,95% CI 1.20–1.88 ≥ 6 杯/天与 < 2 杯相比)。调整吸烟后,OR 下降且不再具有统计学意义(OR = 1.16, 95% CI 0.92–1.46),并且在完整模型中进一步下降(OR = 1.14 95% CI 0.89–1.45)。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。和身体活动。我们还对性别、吸烟、类风湿因子和抗 CCP2 状态进行了分层分析。在粗略模型中,高咖啡摄入量与 RA 风险增加相关(OR = 1.50,95% CI 1.20–1.88 ≥ 6 杯/天与 < 2 杯相比)。调整吸烟后,OR 下降且不再具有统计学意义(OR = 1.16, 95% CI 0.92–1.46),并且在完整模型中进一步下降(OR = 1.14 95% CI 0.89–1.45)。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。高咖啡摄入量与 RA 风险增加相关(OR = 1.50,95% CI 1.20–1.88 ≥ 6 杯/天与 < 2 杯相比)。调整吸烟后,OR 下降且不再具有统计学意义(OR = 1.16, 95% CI 0.92–1.46),并且在完整模型中进一步下降(OR = 1.14 95% CI 0.89–1.45)。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。高咖啡摄入量与 RA 风险增加相关(OR = 1.50,95% CI 1.20–1.88 ≥ 6 杯/天与 < 2 杯相比)。调整吸烟后,OR 下降且不再具有统计学意义(OR = 1.16, 95% CI 0.92–1.46),并且在完整模型中进一步下降(OR = 1.14 95% CI 0.89–1.45)。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。这种模式适用于所有阶层。这项基于人群的大型病例对照研究的结果不支持咖啡消费与 RA 风险之间的显着关联,无论是在整体上还是在不同的亚组中。
更新日期:2022-07-26
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