Theme 1 key areas Flashcards
What is the WHO/UN definition of health?
Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity.
Define population health
Population health is defined as the health outcomes of a group of individuals, including the distribution of such outcomes within the group.
Population health is made up of public health, public policy and health care.
Define public health
The World Health Organization defines public health as ‘the art and science of preventing disease, prolonging life and promoting health through the organised efforts of society’.
Public health focuses on infectious diseases and has an increased focus on equity and social justice in recent years.
What is the biomedical model of health?
The biomedical model of health focuses on purely biological factors and excludes psychological, environmental, and social influences. It is considered old-fashioned and doesn’t consider to social determinants of health.
What is the socioecological model of health?
The Socio-Ecological Model takes into consideration the individual, and their affiliations to people, organisations, and their community at large to be effective. There are five stages to this model – Individual, Interpersonal, Organisational, Community, and Public Policy.
Describe the components of population health
- Health care - the organised provision of medical care to individuals and the community.
- Public health - the science of protecting and improving the health of people and their communities. This work is achieved by promoting healthy lifestyles, researching disease and injury prevention, and detecting, preventing and responding to infectious diseases.
- Public policy - national, state and local laws
Discuss the the key differences between the biomedical model and the socioecological model:
Biomedical model:
> sees illness as the result of biological pathology.
> can result in seeing an individual as their disease not as a person.
>does not always consider the reasons for illness
> sees health problems as a result of an individual’s risk factors and lifestyle
> has a focus on the hospital environment
Socioecological model:
> believes in a relationship between health related behaviours and the surrounding environment
> considers the determinants of health
Describe the key factors influencing contemporary population health
- Improved agricultural techniques mean we have ensured food supply.
- The introduction of vaccines
- The introduction of life-saving health technologies like X-Ray, MRI etc.
- Improved health education
- Improved public sanitation
How do we apply the biomedical model of health in a clinical setting?
We can see that the biomedical model is using in a clinical settings during the diagnosis of a disease.
How do we apply the socioecological model in a clinical setting?
For example, if a patient is smoking heavily, we may address this at several key points:
Individual - increase knowledge surrounding the dangers of smoking
Interpersonal - identify what kind of social support networks the individual may have when trying to quit. If they don’t have adequate support, you may refer them to a support group.
Organisational - is the individual’s environment conductive to quitting smoking?
Community - is it a cultural norm to smoke in the individual’s community? If so, educating the whole community may be necessary.
Public Policy - for example, you can’t smoke within a certain distance of the hospital.
Define demography
Demo = people Graphy = to write or record
Demography = the study of human populations. Has a focus on: size, distribution and composition of populations in relation to changes brought about by an interplay of dynamic processes such as: death, birth, marriage, income, social mobility and migration.
Describe the relationship between health, healthcare and demography
Demography affects an individual’s health status which in turn, affects what kind of healthcare they receive.
Changes in demography determine the healthcare resources needed.
What is the scope of demography?
The scope of demography is very broad as almost every aspect of health is applicable for means of study. by demographic techniques.
Define population size
The actual number of individuals in a population
Define distribution
The pattern of where people live.
Distribution is often uneven - ie. we often see places that are sparsely populated and places that are densely populated.
Define concentration/population density
The number of people per unit of area - ie. population size divided by total land area.
How do trends in population affect healthcare delivery?
Smoking during pregnancy example:
>We have a high number of Indigenous-Australian women living in very remote areas under the age of 20 who smoke during pregnancy. This means that as nurses, we have the obligation to educate these young mothers on the dangers of prenatal smoking - to do this, we may rely on rural and remotely situated nurses or we may have to deliver care via teleconference of videoconference.
What are the components of population change?
There are 3 components of population change:
- Births (fertility) - result in an increase in population.
- Deaths (mortality) - result in a decrease in population.
- Migration (movement of people) - immigration results in an increase in the population whilst emigration results in a decrease in populations size.
Define a rate
The occurrence of an event in a population during a specific period of time.
Define ratio
Expresses a relation between 2 random quantities.
Define proportion
Usually expressed as a %. Indicates the magnitude of a part as a whole.
Define incidence rate
A measure of a number of NEW cases of a disease/health outcome that develops WITHIN A POPULATION during a SPECIFIC TIME period.
Define prevalence rate
The proportion of EXISTING people with a disease/health outcome WITHIN A POPULATION at a SINGLE POINT IN TIME.
Understand the 5 stages of demographic transition
- High stationary - characterised by high birth rates, high death rates and a stable population. eg. Amazon & rural Bangladesh. Looks like a con-caved triangle.
- Early expanding - characterised by stable birth rates, declining death rates and a rapid population increase. eg. Africa, Yemen & Afghanistan. Looks like a perfect triangle.
- Late expanding - characterised by declining birth rates, low death rates and a slowed population increase. eg. Columbia, India and Mexico. Looks like a semi-circle.
- Low stationary - characterised by declining birth rate, declining death rate and a stable population. eg. Australia, Singapore & Canada. Looks like a cut-off oval.
- Declining - characterised by low birth rate, declining death rate and stable/slow increase in population. eg. Japan, Germany & Greece. Looks like a pentagon.