Measures Of Morbidity And Mortality Pdf
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Morbidity has been defined as any departure, subjective or objective, from a state of physiological or psychological well-being. In practice, morbidity encompasses disease, injury, and disability. In addition, although for this lesson the term refers to the number of persons who are ill, it can also be used to describe the periods of illness that these persons experienced, or the duration of these illnesses.
Lesson 3: Measures of Risk
Measurements of reported morbidity and interrelationships with health dimensions. Rio de Janeiro, Brasil. The original questionnaire was adapted for the Brazilian context. It covered the presence of long-term illness or disability, self-rating of health general and in several domains and diagnoses of six chronic diseases arthritis, angina, asthma, depression, schizophrenia and diabetes mellitus. To compare the relationships between self-rated health, perceptions of long-term illness and the chronic diseases evaluated, the statistical test of homogeneity of proportions and multiple logistic regression models were used. RESULTS: Self-rating of health as "not good" and perceptions of having long-term illnesses were significantly more frequent among women, individuals aged 50 years and over and individuals with one or more of the diseases investigated. The interviewees with a diagnosis of diabetes mellitus presented the worst self-rated health:
Basic Health Indicators
You will learn about commonly used epidemiological measurements to describe the occurrence of disease. This section covers:. The essence of epidemiology is to measure disease occurrence and make comparisons between population groups. The current section introduces the commonly used measures that help our understanding of the distribution of disease in a given population. A principal role of epidemiology is to describe and explain differences in the distribution of disease or other health outcomes of interest between populations. Measures of disease frequency are used to describe how common an illness or other health event is with reference to the size of the population the population at risk and a measure of time. Prevalence measures the proportion of individuals in a defined population that have a disease or other health outcomes of interest at a specified point in time point prevalence or during a specified period of time period prevalence.
Anyone can learn for free on OpenLearn, but signing-up will give you access to your personal learning profile and record of achievements that you earn while you study. Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available. Mortality data from death certificates and from census and population registers are routinely collected; from these the death rate in a population can be calculated. To calculate a death rate the number of deaths recorded is divided by the number of people in the population, and then multiplied by , 1, or another convenient figure. The crude death rate shows the number of deaths in the total population and, for the sake of manageability, is usually calculated per 1,
For example, in calculating the annual death rate (crude mortality rate) in the United. States, one would count all the deaths that occurred in the country during a.
Epidemiology: An introduction
Morbidity and mortality are two terms that often get confused. Morbidity refers to disease states, while mortality refers to death. Both terms are commonly used in health- and death-related statistics. Morbidity is any physical or psychological state considered to be outside the realm of normal well-being.
A case could be hospitalized patients or deaths. It can be either discrete present or absent or continuous BP, serum cholesterol, intensity of infection. It is the diseased state, disability, or poor health due to any cause.
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Section 2: Morbidity Frequency Measures
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