PIE 3

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Author:
Alba123
ID:
301382
Filename:
PIE 3
Updated:
2015-04-23 10:03:42
Tags:
IPE
Folders:
IPE 3
Description:
IPE 3
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  1.  Which are the 3 main factors that affect
    dynamic demography?
     births ,deaths, migrations
  2.  What is dynamic demography useful for?
    • dynamic demography concept.
    • - it studies changes that happen along time in the size, structure, geographical distribution of human populations -> dynamic evolution -> birth, death, migrationit
    • - is useful for health planning and defining priorities in public health
    • - includes: birth, birth rate, syntehtical fecundity index, reproduction rate
  3.  Birth rate concept
    • number of
    • children born alive during 1 year / total population the 1st of july x 1000
    • (raw birth rate)
  4. Definition
    of “born alive”
    • - born alive includes all conception products that once outside the mother's body, can
    • breath or show any other vital sign (heart beat, movements of voluntary
    • muscles) independently of the duration of pregnancy
  5.  Birth rate per continents
    • per 1000vinhabitants:
    • africa:36,2
    • asia: 19,0
    • america: 17,6
    • oceania:16,7
    • europe: 10,3
  6. Fecundity
    rate concept
    • number of
    • born alive during 1 year / women from 15-49 years old at 1st july x 1000
  7. General
    fecundity rate and specific fecundity rate
    general fecundity rate: includes born alive from all women 15-49 years old specifity

    • fecundity rate: it only includes born alive from mothers on a specific age
    • group
  8.  Synthetical fecundity index
    • represents
    • teh average number of children had by women on fertile age
  9.  Raw reproduction rate and net
    reproduction  rate
    raw reproduction rate: average number of daughters per fertile woman net

    • reproduction rate: average number of daughters per fertile woman if women
    • would fulfill specific fecundity rate by age and specific mortality rate
  10. Factors
    affecting birth rate
    • •Biological: age of woman, breast feeding
    • •Social: marriages, size of families
    • •Economical: unemployment, women in professional life, economical recession.
    • •Cultural
    • •Religious
    • •Small houses
  11.   Definition of death
    • definitive
    • cease of vital functions after birth
  12. Definition
    of mortality and raw mortality rate
    • mortality: number of people died in a year
    • raw

    mortality rate: number of people died in one year / total population x 1000
  13. Children
    mortality rate
    • number of
    • children under one year old died during one year / total of born alive in one
    • year x 1000
  14. Motherhood
    mortality rate
    • number of
    • women died at childbirth during one year / total number of births in one year x
    • 1000
  15. Raw
    mortality rate and specific mortality rate
    raw mortality rate: number of people died in one year / total population x 1000

    • specific mortality rate:
    • per age:
    • number of people died of a determined age / total population of that age x 1000
    • per sex:
    • number of people died of a determined sex / total population of that sex x 1000
  16. Swaroop
    index (!)
    • number of
    • people died 50 years old or older / total number of died people x 1000
  17. Data of
    Spanish dynamic demography
    • -Raw birth rate: 10,96 (per 1000 inhab)
    • -General fecundity rate: 43 (per 1000)(Born alive per 1000 women 15-49 years old)
    • -Number of children per woman: 1,38
    • -Average age at first childbirth: 29,3 years
    • -Raw mortality rate: 8,43 (per 1000 inhab.)
    • -Children mortality rate: 3,53 (per 1000 born alive)
  18.  Migratory shifts concept
    • = Displacement of people causing a change in their usual residence
    • Classification criteria:
    • – Duration
    • – Distance
    • – Causes
    • – Political reasons ( refugees )
  19. Types of
    migratory shifts: usual and real
    • Usual Migratory shifts:
    • They are of a short duration and do not involve a change in residence
    • ( weekends, holidays)
    • e.g. when you go out at the weekend and then come back again

    •  Real Migratory shifts:
    •  Displacements of population
    • involving a change in usual residence. They can have a medium, large or
    • definitive duration.
    • e.g. when you move to another place to live there
  20. Index of migratory shift:
    Migration balance
    • = immigrants - emigrants / total
    • population x 1000
  21. Index of migratory shift: Growth
    rate
    • = born alive + immigrants -
    • (died+emigrants) / total population x 1000
  22. Main
    consequences of immigration
    • • Population has increased in 5.655.880 inhab. ( from 1998 - 2010)  
    • • Increase in birth rate
    • • Average age of immigrants (between 25 and 35 years old) has rejuvenated the country.
    • If immigration is excessive this produces 
    • an unbalance on population:
    •     • Unbalance between the size of population and the structure
    •     • Resources: the larger the population the more resources needed for
    • investment
    •     • Economic disturbs
    •     • Incidence on the health level ( the same resources have to be
    • distributed among more people )

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