Vegetarian Diet and Chronic Degenerative Diseases in the Tzu Chi Health Study (TCHS) and the Tzu Chi Vegetarian Study (TCVS)
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 18,064
- 试验地点
- 1
- 主要终点
- Stroke
研究概览
简要总结
To investigate the prospective association between a vegetarian diet and chronic degenerative diseases in two cohorts of Taiwanese Buddhists
详细描述
The Tzu Chi Vegetarian Study (TCVS) recruited 12062 community volunteers of the Buddhists Tzu Chi Foundation throughout Taiwan in the year 2005. All participants completed a self-administered questionnaire on basic information, medical history, lifestyle, and diet.
The Tzu Chi Health Study (TCHS) recruited 6002 participants who came to the Buddhist Tzu Chi Dalin General Hospital for health examination. All participants were interviewed on basic information, medical history, lifestyle, and diet. Biochemical and anthropometric data was collected through a health examination:
Biochemical variables: CBC, fasting glucose, lipid profile (TCH, LDL, HDL, TG), BUN, Cr, ALT, AST, and UA. In addition, homocysteine, serum vitamin B12, folate, and C-reactive protein (CRP) are available for 1500 subjects.
Blood: Extra blood samples have been obtained and stored for 3500 subjects and will be available for future investigation.
Anthropometric variables: body weight, height, waist circumference, % body fat (with BIA), blood pressure, pulse wave velocity, bone mineral density through DXA (at spine for female and hip for male), lung function test (spirometric), abdominal sonography, colonoscopy, esophageal-gastro-duodenal-scopy, chest X-ray, KUB.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 —(Adult, Older Adult)
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Participants who consent to be followed.
排除标准
- •Participants with inaccurate ID which make linkage to NHIRD impossible.
- •Participants already with study outcome (disease) prior to enrollment in the study.
- •Participants with missing covariates
结局指标
主要结局
Stroke
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of stroke are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of stroke are identified using ICD-9 code: 430-438, where hemorrhagic stroke is defined by ICD9 430-432 and ischemic stroke is defined by ICD9 433-434.
Gout
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of gout are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of gout are identified using ICD-9 code: 274.
Cataract
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of cataract are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of cataract are identified using ICD-9 code: 366.
Urinary tract infections (UTI)
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of UTI are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of UTI are identified using ICD-9 code: 599.0, 595, 590.
Gallstone disease
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of gallstone disease are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of gallstone diseases are identified using ICD-9 code: 574.
Dementia and mild cognitive impairment
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of dementia are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of dementia and mild cognitive impairment are identified using ICD-9 code: 290.0, 290.1,290.4, 331.0, 331.1, 331.82, 331.83.
Depression
时间窗: From enrollment to time of disease occurrence, death of any cause, or end of study period (December 31st 2014).
Incidence of depression are ascertained by linking individual participants' baseline data to the the National Health Insurance Database. Cases of depression and are identified using ICD-9 code: 296.2, 296.3, 300.4 and 311.
Medical expenditures
时间窗: From enrollment to December 31st 2014.
Actual medical expenditure associated with different dietary patterns are analyzed. Medical expenditures are obtained and computed from the National Health Insurance Database claim data for outpatient treatment, inpatient treatment, and dental treatment. This also includes costs associated with laboratory work and medication prescription.
次要结局
未报告次要终点
