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(viii) Other Health Service Records
- A lot of information is also found in the records of hospital out patient departments, centres and subcenters, polyclinics, private practitioners, mother and child health centres, school health records, diabetic and hypertensive clinics, etc.
(ix) Population Survey
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The term "health survey" is used for survey relating to any aspect of health - morbidity, mortality, nutritional status etc.
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When the main variable to be studied is diseases suffered by the people the survey is referred to as "morbidity survey".
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Types of survey covered under health surveys are:
- Survey for evaluating the health status of a population.
- Survey for investigation of factors affecting health and disease
- Survey relating to administration of health services.
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Survey methods: Health survey can be broadly classified into 4 types
- Health interview survey (face to face)
- Health examination survey
- Health records survey
- Mailed questionnaire survey.
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The survey is carried out by teams consisting of doctors, technicians and interviewers.
(x) Environmental Health Data
- ...that relating to the environment
Explain easily population survey
Population Survey - Easy Explanation 🏥
What is a Population Survey?
Think of it like this: A population survey is when researchers go out and collect health information from a group of people to understand how healthy (or unhealthy) they are.
The general term used is "Health Survey" - it covers ANY aspect of health:
- Who is sick? (morbidity)
- Who is dying and why? (mortality)
- Are people eating properly? (nutritional status)
Special Type: Morbidity Survey
When the main focus is diseases - finding out which diseases people are suffering from - it is called a "Morbidity Survey".
Why Do We Conduct Health Surveys? (3 Purposes)
| Purpose | Simple Meaning |
|---|---|
| Evaluate health status | "How healthy is this population overall?" |
| Investigate factors | "What is causing disease in this area?" |
| Administration of health services | "Are our hospitals/clinics working well?" |
4 Methods of Health Survey
1. 🗣️ Health Interview Survey (Face to Face)
- A trained person visits homes and asks questions directly
- Example: "Do you have fever? Any chronic illness?"
2. 🩺 Health Examination Survey
- People are physically examined by doctors
- Blood tests, BP measurement, height/weight, etc.
3. 📁 Health Records Survey
- Data is collected from existing hospital/clinic records
- No need to visit people - records already exist
4. ✉️ Mailed Questionnaire Survey
- A printed questionnaire is sent to people by post/mail
- People fill it and send it back
Who Conducts the Survey?
A team of three types of people:
- 👨⚕️ Doctors - for medical expertise
- 🔬 Technicians - for lab/technical work
- 🗒️ Interviewers - for collecting information from people
Simple Summary
A population survey = asking/examining people to find out the health status of a community, so that the government and health authorities can plan better healthcare.
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