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# Community Chapter 6

### Community Chapter 6 review

Question | Answer |
---|---|

Statistical procedure that removes the effects of differences in the composition of population, such as age, when comparing one to another: ________ rate | Adjusted rate |

An incidence or occurence rate: ____________ rate | Attack rate |

The difference between the incidence rates in an exposed and unexposed group of people: _________ risk | Attributable risk |

The probability of death from a specific cause: _______ ______ _____ rate | Cause Specific Mortality Rate |

Measurement of the occurrence of the health problem or condition being investigated in the entire population: ___________ rate | Crude Rate |

A graph that plots the distribution of cases by the time of onset of the disease. | Epidemic curve |

Research studies designed to acquire more information about the occurrence and distribution of states of health, such as characteristics of person, place, and time: _________ _______ studies | Epidemiologic descriptive studies |

Use of a person-time denominator in the calculation of rates; a person-day reflects one person at risk for 1 day, and a person-year represents one person at risk for 1 year. | Incidence density |

Measure of the probability that people without a certain condition will develop that condition over a period of time: ___________ rate | Incidence rate |

Fluctuations in time surrounding health problems that extend over decades, reflecting gradual changes: ________ _______ ___________ | Long term change |

A departure from a state of physiological or psychological well-being. | Morbidity |

A prevalence rate that indicates the existence of a condition during an interval of time, often a year. | Period prevalence |

Seasonal or cyclic fluctuations in time surrounding health problems. | Periodic change |

A prevalence rate that indicates the existence of a condition at a specific point in time. | Point prevalence |

Groups of people who have specific characteristics, or risk factors, that increase the probability of developing health problems. | Population at risk |

Measures the number of people in a given population who have an existing condition at a given point in time: ____________ rate | Prevalence rate |

A type of ratio that includes the quantitity in the numerator as part of the denominator. Ex: 9/10 or 90% of students passed | Proportion |

A ratio that compares deaths from a specific illness with deaths from all other causes. _________ ___________ ratio | Proportional mortality ratio |

The primary measurement used to describe the occurrence (quantity) of a state of health in a specific group of people in a given time period. | Rate |

A fraction that represents the relationship between two numbers. | Ratio |

The ratio of the incidence rate in the exposed group and the incidence rate in the nonexposed group. ________ _______ ratio | Relative Risk ratio |

Ability of a test to correctly identify people who have a health problem; the probability of testing positive if the health problem is truly present. | Sensitivity |

Variations measured in hours, days, weeks, or months; commonly found in outbreaks of infectious disease. | Short-term change |

Detailed rates that are calculated using the number of people in the smaller subgroups of the population by denominator. Often people are divided into subgroups by age and sex, although any characteristic can be used: ____________ rates | Specific rates |

Ability of a test to correctly identify people who do not have a health problem: the probability of testing negative if the health problem is truly absent. | Specificity |