What are the levels of Prevention? Give examples
Primary prevention
Prevention before it occurs by promoting and maintaining good health.
E.g. interventions to address wider health determinants (poverty, housing, eduction, employment). Reduce risk factors (exercise, quit smoking). Immunisation
Secondary prevention
Early Dx & Rx of disease before onset of Sx - to reduce the impact of a disease
E.g. Screening (breast Ca), care pathways, Rx like diet or exercise to reduce risk
Tertiary prevention
Optimal Rx of established condition to soften the impact and improve QOL.
E.g. limit disease progression, rehabilitation, support groups
Quaternary prevention
Avoid over medicalisation - protect from unnecessary intervention / medical harm
Define health as “ absense of disease”, “well being”, and as “resource”.
Absence of disease - medical model of health
Well being - health seen as complete physical, mental and social wellbeing
A resource - Health is resource of everyday life, benefits social and personal factors not just physical and mental health
What factors determine health ?
Income
Education
Employment
Housing
Social connection
Environment
Commercial influences
Healthcare
Doctors treat disease while health promotions addresses the conditions that create diseases
Define promotion
The process of enabling people to increase control over, and improve their health (Ottawa charter)
The combination of educational and environmental supports for actions and conditions of living conducive to health (Green L, Kreuter M 1990)
Give examples of health promotions
• Vaccination programmes
• Diabetes Prevention Programme
• Smoking cessation
Community
• Active travel schemes
• Green social prescribing
Policy
• Soft drinks levy
• Tobacco legislation
Digital
• Online safety regulations
• Digital literacy programmes
What are the 3 methods to promotion ?
Bio Medical (clinicians)- Absence of disease, promoting models
Rx BP, assess risk factors, GP review
Behavioural (individual)- Health as energy, functional ability of an individual, disease-preventing lifestyles.
salt reduction, smoking cessation, weight management
Socio-environmental (local athority / Gov)- Connected to one’s family/friends/community, being in control, ability to carry out tasks that are important or have meaning.
living condition, active travel, work/school health policies
What are the 2 methods of targeting a population when it comes to promotion?
High-risk approach
identify few who are at high risk & target intervention on them > large benefit to those at high risk. E.g. CVD screening in primary care
Cons: leaves the root cause untouched > small impact on total disese burden
Population approach
target whole population for intervention - modify their risk > great population benefit. E.g get everyone to reduce salt to better their BP
Cons: although huge benefit to community, it offers little benefit to each individual
Describe the key features of prevention vs promotion
PREVENTION
PROMOTION
Comes from Medical model of thinking
Comes from Positive holistic model
Focus on specific disease
General, and benefits are wider
Targeted at risk group
Whole population approach
Most interventions prevent disease and promote health
Health promotion largely aligns with primary prevention, but also influences secondary and tertiary prevention.
What are the behaviour change theories?
BCT help to understand why people behave the way they do.
Individual level theories
Interpersonal level theory
Community level theories
Note: learn about behaviour change wheel (COM-B model)
Capability - do they know how?
Opportunity - can they?
Motivation - Do they want to?
What does the intervention ladder offer and what are they?
It demonstrate the strategies that are available.
Eliminate choice - isolation of patients with infectious diseases.
Restrict choice - remove unhealthy ingredients from food.
Guide choice through disincentives - taxes on cigarettes
Guide choices through incentives - tax breaks for buying bikes used to travel to work.
Guide choices through changing the default policy: instead of chips provide another healthy option
Enable choice: enable individuals to change their behaviours > participation in stop smoking programmes.
Provide information to public - encourage to walk more.
Do nothing or simply monitor the current situation.
Name the health promotion strategies
Health communication - to positively influence e.g ads, billboards, leaflets, food labelling
Health education - aim to improve knowledge / skills beneficial to health to patient / community. E.g how to manage asthma / DM, 1:1 sessions
Self-help / mutual aid - people with common experiences support eatch other e.g. alcoholic anonymous, CVD rehabs
Organisational change - create supporting evironment to make healthy choices e.g no smoking /healthy eating policy
Community development / mobilisation - petitions by locals
Policy / legislation - enforced by law e.g smoke free zones, seat belt, sugar tax
Given an example of a disease where medical vs social interventions can be used.
Tuberculosis
Social interventions (improved housing, hygiene, wealth) allowed for a drastic reduction in the prevalence of TB
Medical interventions (antibiotics and immunization) allowed for further reductions in prevalence.
What are the roles of a doctor in health promotion?
Should consider health promotion in all consultations.
Ask about lifestyle (smoking / exercise)
Offer advice and appropriate referral, e.g., dietician and smoking cessation service
Empower patients to manage chronic disease and offer appropriate support.
Goal setting, review, monitor
Undertake public health research.
Contribute to national reports.
Advocacy by professional bodies/coalitions (have huge influence in governments - help change policies)
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