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Nutrition and Health Survey in Taiwan (NAHSIT)

發布單位:發布單位:監測研究及健康教育組

  • 瀏覽數:瀏覽數:17885
  • 修改日:修改日:2024/06/07
  • 發布日:發布日:2015/01/27

Background
     Diet and nutrition are major determinants of health. The nutritional status of the population is an important indicator of the nation’s health. The Nutrition and Health Survey is essential to monitor nutrition and health status of the population and to inform policy making and program evaluation. 
Taiwan launched the planning for national nutrition surveys since 1980. In 1980-81 and 1986-88, household surveys for dietary intake and children's physical development, as well as actual measuring and weighing of the food were conducted. Since 1993, the government has conducted a series of Nutrition and Health Survey in Taiwan. The protocol of the survey in 1993-1996 included 24-hour dietary recall of participants aged 13 to 64 and dietary habits of children aged 4-12. Target population of the surveys in the following years were seniorcitizens in 1990-2000, elementary school students in 2001-2002, children aged 0-6 and adults aged over 19 in 2005-2008, junior and senior high school students in 2010-2011, and elementary school students in 2012. 

   The Nutrition and Health Survey in Taiwan (NAHSIT) was initially managed and funded by the 
former Bureau of Food and Drug, Department of Health. The Health Promotion and Administration 
(HPA) took over the responsibility in 2013. A major redesign of the survey was undertaken in that year (2013) aiming to establish a stable and continuous monitoring system for health and nutritional status of the citizen. The current sampling design is featured with its national representative sampling design of the whole population for every single year and the data accumulated over years can potentially be city/county representative. The most recent wave of NAHSIT after the redesign was conducted during 2013-2016 and 2017-2020.2021-2024 is the third wave of investigations. Due to the COVID-19 pandemic, the NAHSIT operations were suspended in May 2021 to abide by the Central Epidemic Command Center (CECC) issued pandemic prevention and measures. And the development of a digital investigation model will be carried out. A new model of this survey will be expected to be launched in January 2022.

 

Aim of the Survey
The primary aim of NAHSIT is to establish a long-term, stable and regular monitoring system, 
which can monitor the national health and nutrition status. The data can be applied as a reference for nutrition and health policymaking.

 

Sampling Design
NAHSIT uses a multistage, stratified, clustered, probability sampling design to select participants represent for the civilian, non-institutionalized Taiwan population of all ages. 

 

Survey method
      Face to face interview is conducted in respondents’ homes. Health measurements are performed 
at an appropriate site in each township, some measurements are implemented in specially-designed and equipped mobile stations, which travel to locations throughout Taiwan.

 

Content of the Survey
Risk factors, those aspects of a person’s lifestyle, constitution, heredity, or environment that may increase the chances of developing a certain disease or condition, will be examined.
        The diseases, medical conditions, and healthindicators to be studied include:

1. Behavior indicators
● Diet behavior (nutrients, salt and ssbs intake)
● Diet belief
● Physical activity
● Weight control 
● Using behavior of tobacco, alcohol, and betel nuts
2. Health outcome indicators
● Nutrition (vitamins and minerals)
● Obesity 
● Body composition  (muscle, body fat )(the bone density will not be included since 2021)
● Metabolic syndrome
● Cardiovascular disease (hypertension, Hyperlipidemia, heart disease)
● Anemia
● Diabetes
● Kidney disease
● Physical functioning
● Medical and Reproductive history
● Respiratory disease (asthma, chronic bronchitis, emphysema)
● Environmental exposure

 

 Survey Result
      Results of the survey are published in the format of survey reports, press releases, and conference or journal papers. Some of the statistical indicators are collected and can be accessed from the Statistical Yearbook of Health Promotion.

 

Survey Results and Products
    ●NAHSIT Report 2013-2016
    ●NAHSIT Report 2017-2020

 
video1 video2 video3
影片一:國民營養狀況變遷調查
調查沿革
影片二:調查簡介與抽樣設計
NAHSIT 2013-2016
影片三:SUDAA簡介

video4 video5 video6
影片四:24小時飲食資料之蒐集
、處理,與分析實例
影片五:問卷資料說明
及分析實例
影片六:政策應用實例說明
及資料使用申請

 Related Links
  Survey Content
  Apply for NAHSIT 2013-2016 data

 Survey Results and Products
  NAHSIT Report 2013-2016
  NAHSIT Report 2017-2020
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