National Health Interview Survey in Taiwan

National Health Interview Survey in Taiwan

The major elements of the survey were sampling, questionnaire design, field survey and database construction. This survey incorporated the multistage stratified sampling scheme. Questionnaires include health status, utilization of health care, health behaviors, quality of life, and social economic status.

This survey took a representative sample from each county and municipality in Taiwan using a stratified multi-stage systematic sampling procedure. Within each county/municipality (stratum), samples were selected with probability proportional to population size. Questionnaire design was based on the needs of the Department of Health and Welfare and the public health professionals. Due to different age has different health problems, the questionnaires were divided into 3 parts: under 12, 23-64, and 65+ years. The response rate was 75% in 2013.

Inclusion Criteria:

• All the selected samples were to be interviewed.

Exclusion Criteria:

• severely ill or too frail to answer;
• having cognitive problems;
• having hearing or speaking problems; or
• dementia.