6. National Health Examination and Interview Survey

6. National Health Examination and Interview Survey

Objectives

1）Determine health and nutritional status; prevalence of major diseases and risk factors for diseases；

2）Examine the distribution of health status by time, geographic region, age and sex and related factors；

 

Methodology

1） Appropriate components and sample size national representative；

® Sampling weights

2） Using the most current Census information for sampling

3） sample design

             ® Probability sampling design

             ® Stratification

             ® Clustering

             ® Single stage random sample

             ® Multi-stage cluster sampling

 

Questionnaire development

Design procedure：Literature review® Mission of the survey ®Health indicator demand ® Draft® Reviewed by experts®Pretest ®Finalize

 

Questionnaire items

1) Health status; 2) Utilization of health care services;

3) Health insurance coverage; 4) Health-related behaviors (e.g., smoking, alcohol)

5) Risk factors;  6) Injuries & poisonings

7) Demographic & socioeconomic data

 

Data Collection Procedures

n      Personnel employing and training

n      a letter or announcement to introduce the survey

n      Data collected from 1)Interview; 2) Health Examination; 3)laboratory tests based on blood and urine samples

n      Techniques to facilitate and encourage participation

n      Direction from professional supervisors

 

Data analysis

STATA and SPSS

Benefits

1)      Provide data for epidemiological studies and health sciences research

2)      help develop sound public health policy

3)      direct and design health programs and services

4)      expand the health knowledge for the Nation