Measuring health status

• incidence is the new number of new cases of a condition during a given period of time
• Prevalence is the proportion of cases of a particular disease or condition
• Morbidity refers to ill health in an individual and the levels of ill health in a population or a group
• Years of life lost (YLL)- A measure how many years of expected life are lost due to premature death
• Years lost due to disability (YLD) is a measure of how many healthy years of life are lost due to illness, injury or disability
• Life expectancy is an indication of how long someone can live
• Mortality refers to death, often at a population level
• Maternal mortality Is the number of mothers who die during pregnancy, childbirth within 6 weeks of delivery
• Infant mortality rate is the number of deaths per thousand live births under one year old
• Self assessed health status is a measure based on a persons own opinion about how they feel about their health and well-being
• Under 5 mortality is a death of a child under the age of 5
• Burden of disease is a measure of the impact of diseases and injuries, specifically it measures the gap between current health status and an ideal situation where everyone lives
• Disability adjusted life years (DALY) are used as a measure of burden of disease
• A DALY is calculated by adding together the years lost due to premature death and the equivalent number of healthy years lost due to disability
• Health adjusted life expectancy (HALE) is a measure of burden of disease based on life expected at birth, but including an adjustment for the time spent in poor health. It is the number of years in full healt. It is the number of years in full health that a person can expect to live, based on current rates of ill health &mortality
• Infant mortality- the death of a child between birth and their first birthday