PHPP MODULE 2 PART 2
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PHPP MODULE 2 PART 2 - Details
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43 questions
| 🇬🇧 | 🇬🇧 |
| Many variables used by field epidemiologists can be | Categorical variables |
| Are three frequency measures that are used to characterize the occurrence of health events in a population. | Incidence, prevalence, mortality rates |
| Categorical variables have to be summarized with | Frequency measure |
| Common frequency measures are: | Absolute count, ratio, proportion, rate |
| A measure of central location provides a single value that summarizes an entire distribution of data. | Frequency measure |
| Frequency measure also known as | Tools of demography |
| Simple counts of events | Absolute count |
| Crude rates denominator is | Total population |
| Specific rates denominator is | Population of subgroups |
| Constructed to permit fair comparison between 2 groups which differ in some important characteristics | Adjusted Standardized rates |
| The rate describes the total population, which is used as the denominator in the computation | Crude rates |
| Population who become ill | Incidence |
| Ill at the given time | Prevalence |
| Also known as attack rate | Incidence proportion or cummulative incidence |
| It is the proportion disease of free individuals who contract the disease within a specified period of time. | Incidence proportion or cummulative incidence |
| Measures the average risk of developing the disease. | Incidence proportion |
| Assume a fixed population and no completing risks | Incidence proportion |
| The period/ duration of exposure of all subjects to the exposure factor are the same for all subjects. | Fixed population |
| It measures the rate at which new cases occur | Incidence rate or incidence density |
| Incidence rate or density answer the question? | How fast the disease occur |
| Measures the proportion of existing cases of a disease in the population at a particular point in time. | Point prevalence |
| Useful in describing the magnitude of chronic conditions existing in a population at a point in time | Point prevalence |
| Measures the residuals of an illness | Point prevalence |
| Does not measure the risk of developing the disease | Point prevalence |
| Refers to prevalence measured over an interval of time | Period prevalence |
| It is the proportion of persons with a particular disease or attribute at any during the interval. | Period prevalence |
| It measures the frequency of occurrence of death in a defined population during a specified interval | Mortality rate |
| It is mortality rate from specified cause for a population. | Cause-specific mortality rate |
| Measures the proportion of total deaths occurring in a particular population group or from particular cause. | Proportionate mortality |
| Affected by the nature of the disease, diagnostic ascertainment and level of reporting in the population. | Case fatality rate |
| Time element not annual duration of the particular disease | Case fatality rate |
| Maternal mortality ratio reflects the level of | Obstetric risk |
| Measures the occurrence of maternal deaths. | Maternal mortality ratio |
| Include deaths from 28 days of life to less than one year. | Post – neonatal Mortality Ratio |
| Deaths under 28 days of life. | Neonatal mortality ratio |