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Lecture 7

HLTB16H3 Lecture 7: HLTB16 Lecture 7

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University of Toronto Scarborough
Health Studies
Hilary Brown

HLTB16 Lec 7  Can consider health and life as a continuum  Ideally, we want everyone to live at 100% quality of health from birth to death  Goal of prevention is to achieve the green line where everyone has 100% quality of life  Primary is immunizations and vaccinations  Can be both active and passive approaches  Active: requires individual to change behaviour, they have to do something themselves  Secondary is dealing with early stages of disease  It is about controlling disease spreading, and stop it in the preclinical stage  Can be done through screening (cancer screening)  Primary can be in the hands of the individual or policy developer, secondary is in the hands of the physician  Tertiary is people who have the disease  Trying to reduce the impact of disease  Preventing bad outcomes in people who are already sick  It has a complicated relationship with prevalence  It can reduce prevalence if it cures the disease, but it can increase prevalence if it prolongs the length of time people live with the disease  Level 1 is the best, one really good RCT  Level 2 we would also need trials but sometimes without randomization  Level 3 is just descriptive studies  Someone who is more educated will benefit more from a prevention program because they have more time and resources to prevent it  If patient is suffering from a long-term condition it may affect their ability to uptake the program  The training of the physician also affects it, if the doctor isn’t keeping up with medical knowledge so they may not be implementing the latest test and treatment  Factors relating to the interaction between physician and patient\this relates more to the actual healthcare delivery  When we think of planning, we start by evaluating the outcomes we want to impact and the status of those outcomes  Once we understand the need that is the basis of these factors, then we evaluate the factors that will affect them  We need to identify the administrative and financial policies needed  In the evaluation phase, we see whether the program is working, is It financially feasible  Looking at the middle section of figure, when planning you start from the right  If we consider the distribution of a specific disease, it will follow a normal curve  We are trying to impact the high-risk tail, to improve the high-risk population  Intervening on individuals  Advantages: 1. Tailored to individual 2. People motivated to change 3. Doctors motivated to help 4. Resources given to those wit
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