Epidemiological transition Flashcards
what is the least developed continent as the world?
AFRICA
name 3 countries of low economic development?
ethiopia, kenya, demographic republic of congo
name 2 developing countries?
india china
name 3 developed countries?
USA, UK japan
who was the epidemiological transition model proposed by?
abel omran in 1971
what are the 4 stages of the health transition?
age of pestilence and famine
age of receeding pandemics
age of degenerate and man made diseases
age of delayed degenerative diseases
where does stage 1 usually occur?
usually in low income countries
where does stage 2 usually occur?
developing countries
where does stage 3 usually occur?
countries in transition
where does stage 4 usually occur?
western countries
what is stage 1?
age of pestilence and famine
what is the age of pestilence and famine?
- mortality is high and fluctuates
- low life expentacy of 20-40 yrs
- low growth patterns are associated with wars famine, and epidemic outbreaks
what is stage 2?
receeding pandemics `
what is receeding pandemics?
- rate of mortality declines as disease epidemics occur less frequently
- life expectancy increases and population growth rises
- phase is associated with advances in medicine and healthcare systems
what is stage 3?
age of degenerative and man made disease
what is age of degenerative and man made disease?
- mortality continues to decline and reaches sustainability
- non communicable diseases dominate
- average life expectancy 50 yrs
- fertility is a contributing factor to pop growth
what is stage 4?
age of delayed degenerative diseases
what is age of delayed degenerative diseases?
- life expectancy 70-80
- causes of mortality is same as stage 3 but distributed to older ages because of new treatments
