human behaviour and health promotion linkage dhananjaya perera b.sc. (sp) health promotion
TRANSCRIPT
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HUMAN BEHAVIOURAND HEALTH PROMOTION LINKAGE
Dhananjaya Perera B.Sc. (Sp) Health Promotion
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HUMANHEALTH BEHAVIOUR
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Human Health Behavior
Human behaviour, especially health behaviour, is complex and not always readily understandable
Health behaviour, like other behaviour, is motivated by stimuli in an individual’s environment
The response to such stimuli may or may not be directly related to health
Motivation for health behaviour is dynamic and not static
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Types Of Health Behavior
Health-directed behavior Observable acts that are undertaken with a
specific health outcome in mind
Health-related behavior Those actions that a person does that may
have health implications, but are not undertaken with a specific health objective in mind
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Types Of Health-related Behaviour
Preventive Health Behaviour◦ action taken when a person wants to
avoid being ill or having a problem e.g. a mother takes her child for immunisation
Illness Behaviour◦ action taken when a person recognizes
signs or symptoms that suggest a pending illness e.g. a mother gives her child cough medicine after hearing her wheeze
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TYPES OF HEALTH-RELATED BEHAVIOUR
Sick-role Behavior◦ action taken once an individual has
been diagnosed (either self or medical diagnosis) e.g. an employee takes a vacation because he is ill, he takes treatment and obeys his doctor’s advice
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BEHAVIOR IN ILLNESS
Feeling symptoms
Do nothing
Go to pharma
cy
Self treatment
Go to docto
r
compliance
cure
No complian
ce
complication
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Factors that affect illness behavior
Age, sex, level of education, culture, religion, past experience
Seriousness of symptoms/signs If these symptoms affect the ordinary life Persistence and frequency of symptoms Personal tolerance to symptoms Level of knowledge, cultural opinion about these
symptoms Severity of illness or being fatal. Stigma : community opinion towards patients of
that illness Availability of medical services & treatment Trusted services and health providers
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KNOWLEDGE AND BEHAVIOUR
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PHASES BETWEEN KNOWLEDGE & BEHAVIOUR
Knowledgeof correcthealth action
Perception Interpretation SaliencePutting theknowledgeinto action
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KNOWLEDGE AND BEHAVIOUR
In some cases, knowledge may be sufficient to elicit changes in behaviour, but in other cases it may be neither necessary nor sufficient
It should not be assumed that individuals are always knowledgeable about an appropriate health behaviour, but neither should it be assumed that knowledge will guarantee changes in behaviour
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KNOWLEDGE AND BEHAVIOUR Where knowledge is deemed important,
this should be expressed in terms that are salient (most noticible) to the target audience
The transfer of knowledge into action is dependent on a wide range of other internal and external factors, including values, attitudes and beliefs
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KNOWLEDGE AND BEHAVIOUR
For most individuals, the translation of knowledge into behaviour requires the development of specific skills (enabling factors) which may include interpersonal skills.
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ATTITUDES, VALUES AND BEHAVIOUR
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ATTITUDES, VALUES AND BEHAVIOUR
An individual’s attitude to a specific action and their intention to adopt it is influenced by:
beliefs, motivation which comes from the person’s values, attitudes and drives (instincts), and the influence from social norms
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ATTITUDES, VALUES AND BEHAVIOUR
A belief represents the information a person has about an object or action. It links the object to some attribute.
Values are acquired through socialization and are those emotionally charged beliefs which make up what a person thinks is important.
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ATTITUDES, VALUES AND BEHAVIOUR
Attitudes اتجاهare value-based social judgement which possess a strong evaluative component
Attitudes have different components - cognitive (belief), emotional (feeling) and behavioral (predispositions to act)
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ATTITUDES, VALUES AND BEHAVIOUR
Values and attitudes help to explain the knowledge-action gap in many instances
Most people are at ease when their knowledge is consistent with their attitude and values
If discord arises, the facts are often interpreted (or misinterpreted) so that contradiction between knowledge is removed
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ATTITUDES, VALUES AND BEHAVIOUR
There is no clear or linear progression from attitudes to behaviour
Often, attitude change precedes behavioural change Often assumed that changing attitudes to
smoking will influence smokers to quit, yet a majority of smokers continue to smoke despite a negative attitude to smoking
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ATTITUDES, VALUES AND BEHAVIOUR
But equally, behaviour change may precede and influence attitudes On the other hand, quitting smoking is often
a stimulus for indifferent smoker to develop a negative attitude to smoking
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MODELS OF BEHAVIOUR CHANGE
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1. THE COGNITIVE DISSONANCE MODEL
(Festinger-1957) المعرفى التنافر
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COGNITIVE DISSONANCE MODEL
The model holds that inconsistency is a painful or uncomfortable state
Since dissonance is psychologically uncomfortable, it will motivate an individual to reduce dissonance to achieve consonance
In addition, the individual will actively avoid situations and information that are likely to increase the dissonance
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COGNITIVE DISSONANCE MODEL
The consequences of this are vital for anyone involved in the process of influence
For example, if a respected role model with whom an individual identifies makes a statement or declaration with which the individual disagrees, consonance is achieved by either: (a) changing the belief, or (b) changing attitudes to the respected
person.
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2. MASLOW’S HIERARCHY OF NEEDS
(Maslow - 1968)
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MASLOW’S HIERARCHY OF NEEDS
Basic physiological needs - hunger, thirst and related needs
Safety needs - to feel secure and safe, out of danger
Belongingness and love needs - to affiliate (follow) with others, be accepted
Esteem needs - to achieve, be competent, and gain approval and recognition
Self-actualization needs - to find self-fulfilment and realise one’s own potential
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MASLOW’S HIERACHY OF NEEDS
Behaviour is motivated by a hierarchy of human needs
Explains why not everybody responds to the obviously beneficial and well-meaning interventions
Health needs may be compromised for the sake of satisfaction of low-order needs
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3. THE HEALTH BELIEF MODEL(Rosenstock and Becker - 1974)
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HEALTH BELIEF MODEL
“Two major factors influence the likelihood that a person will adopt a recommended preventive health action
First they must feel personally threatened by disease i.e. they must feel personally susceptible to a disease with serious or severe consequences
Second they must believe that the benefits of taking the preventive action outweigh the perceived barriers to (and/or cost of) preventive action”
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HEALTH BELIEF MODEL
Demographic variable[age, sex, raceethnicity, etc.]
Socio-psychologicalvariables
Perceived Threat ofDisease “X”
PerceivedSusceptibility to
Disease “X”
Perceived Severityof Disease “X”
Perceived benefitsof preventive
action
minus
Perceived barriersto preventive
action
Likelihood of TakingRecommended
Preventive HealthActionCues To Action
Mass Media CampaignsAdvice from others
Reminder postcard from physicilan or dentistIllness of familiy member or friend
Newspaper or magazine article
INDIVIDUALPERCEPTIONS
MODIFYINGFACTORS
LIKELIHOODOF ACTION
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HEALTH BELIEF MODEL (Detailed)
Concept Definition Application Perceived Susceptibility
One’s opinion of chances of getting a condition
Define population(s) at risk based on a person’s features or behaviour. Heighten perceived susceptibility if too low
Perceived Severity
One’s opinion of how serious a condition and its sequelae are
Specify consequences of risk and condition
Perceived Benefits
One’s opinion of the efficacy of the advised action to reduce risk or seriousness of impact
Define action to talk: how, where, when; clarity the positive effects to be expected
Perceived Barriers
One’s opinion of the tangible and psychological costs of the advised action
Identify and reduce barriers through reassurance, incentives, assistance
Cues to Action Strategies to activate “readiness”
Provide how-to information, promote awareness, reminders
Self-Efficacy Confidence on one’s ability to take action
Provide training, guidance in performing action
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MODIFIED HEALTH BELIEF MODEL AS APPLIED TO HIV/AIDS PROGRAMME
PerceivedsusceptibilityYoung man hasbeen engaging insex with multiplepartners.
PerceivedSeverityYoung manbelieves thatAIDS is a deathsentence sincethere is no cure.
PerceivedThreatYoung manbelieves that heis at risk becausefriend is ill.
Cues to ActionRadio messagesexplaining theneed for safe sex.Peer education onsafe sex and HIV.
Benefits/ barriers Condoms are
easy to use, onecan feel safe
Condoms notreadily available,costly
DesiredBehaviourYoung man buysand uses condomsregularly.
Self-efficacyYoung man hashad practice usingcondoms and feelsconfident to usethem.
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4. THE SOCIAL LEARNING OR SOCIAL COGNITIVE THEORY
(Bandura - 1977)
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SOCIAL LEARNING THEORY
The first theory to introduce the idea of self-efficacy
Theory is based on the belief that behavior is determined by expectancies and incentives
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SOCIAL LEARNING THEORY
Behaviour is influenced by expectancies about: environmental cues (i.e. beliefs about how
events are linked and what leads to what) consequences of one’s actions (i.e. how
behaviour is likely to influence outcomes) competency to perform the behaviour
needed to influence outcomes (i.e. self-efficacy)
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SOCIAL LEARING THEORY
Concept Definition Application
Reciprocal Determinism Behaviour changes result from interactionbetween person and environment; changeis bi-directional.
Involve the individual and relevantothers; work to change theenvironment, if warranted.
Behavioural Capability Knowledge and skills to influencebehaviour.
Provide information and training aboutaction.
Expectations Beliefs about likely results of action. Incorporate information about likelyresults of action in advice.
Self-Efficacy Confidence in ability to take action andpersist in action.
Point out strengths; use persuasion andencouragement; approach behaviourchange in small steps.
Observational Learning Beliefs based on observing others likeself and/or visible physical results.
Point out others’ experience. Physicalchanges’ identity role models toemulate.
Reinforcement Responses to a person’s behaviour thatincrease or decrease the chances ofrecurrence.
Provide incentives, rewards, praise;encourage self-reward; decreasepossibility of negative responses thatdeter positive changes.
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5. THEORY OF REASONED ACTION
(Fishbein and Atzen - 1975)
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THE THEORY OF REASONED ACTION
Proposes that voluntary behaviour is predicted by one’s intention to perform the behaviour (e.g. how likely is it that you will take up a quit smoking programme?)
Intention, in turn, is a function of : attitude towards the impending
behaviour (do you feel good or bad about quitting?), and
subjective norms (do most people who are important to you think you should quit?)
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THE THEORY OF REASONED ACTION
Attitude is a function of beliefs about the consequences of the behaviour (how important do you think it is to quit?) weighted by an evaluation of the importance of that outcome (how important is it to you to quit?)
Subjective norms are a function of expectations of significant others (does your spouse think you should quit?) weighted by the motivation to conform (how important is it to do what your spouse wants?)
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Unlike the Health Belief Model and the Social Learning Theory, this model is based on rationale and does not provide explicitly for emotional ‘fear-arousal’ elements such as the perceived susceptibility to illness
Basically more emphasis is put on intention rather than attitudes.
THE THEORY OF REASONED ACTION
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THEORY OF REASONED ACTION
External variables
DemographicvariablesAge, sex, occupationsocio-economicstatus, religion,education.
Attitudes towardstargetsAttitude towardspeopleAttitudes towardsinstitutions
Personality traitsIntroversion-extraversionNeuroticismAuthoritarianismDominance
Beliefs that thebehaviour leads tocertain outcomes
Evaluation of theoutcomes
Beliefs that specificreferents think Ishould not performthe behaviour
Motivation tocomply with thespecific referents.
Attitudes towardsthe behaviour
Relativeimportance ofattitudinal andnormativecomponents
Subjective norm
Intention Behaviour
Possible explanations for observed relations between external variables and behaviour.
Stable theoretical relations linking beliefs to behaviour.
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THEORY OF REASONED ACTION AND PERSONAL BEHAVIOUR APPLIED TO HIV/AIDS PROGRAMME ACTION (Adapted to key focus areas)
Subjective norm(perceived socialpressure)Young man believesthat his friends thinkscondoms are not cool.
Perceivedbehavioural controlYoung man feelsconfident that he canuse condoms andhandle his sexual drive.
Personal attitudeYoung man is afraid ofgetting AIDS andbelieves that wearingcondoms is goodprotection. Behavioural
intentionYoung manindicates awillingness touse condomsregularly andask forinformation onwhere he canobtain themcheaply.
Desired behaviourtakenYoung man buyscondoms and begins touse them regularly.
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6. STAGES OF CHANGE MODEL(Prochaska and DiClemente -1984)
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STAGES OF CHANGE MODEL (Prochaska J & DiClemente C, 1984)
Pre-contemplationNot interested in changing ‘risky’ lifestyle
Exit:Maintaining ‘safer’ lifestyleAction:
Making changes
Maintenance:Maintainingchange
Relapse:Relapsingback
Contemplating:Thinking about change
Commitment:Ready to change
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STAGES OF CHANGE MODEL
The model identifies a number of stages which a person can go through during the process of behaviour change
It takes a holistic approach, integrating a range of factors such as the role of personal responsibility and choices, and the impact of social and environmental forces that set very real limits on the individual potential for behaviour change
It provides a framework for a wide range of potential interventions by health promoters
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STAGES OF CHANGE MODEL
Pre-contemplation stage: The stage which precedes entry into the change cycle. At this stage the person has not considered changing their lifestyle or become aware of any potential risks in their health behaviour.
Contemplation stage: Although the individual is aware of the benefits of change, they are not yet ready and may be seeking information or help to make the decision. This stage may last a short while or several years.
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STAGES OF CHANGE MODEL
Commitment stage: When the perceived benefits seem to outweigh the costs and when the change seems possible as well as worthwhile, the individual may be ready to change, perhaps seeking some extra support.
Action stage: The early days of change require positive decisions by the individual to do things differently. A clear goal, a realistic plan, support and rewards are features of this stage.
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STAGES OF CHANGE MODEL
Maintenance stage: The new behaviour is sustained and the person moves into a healthier lifestyle
Relapse stage: Although individuals experience the satisfaction of a changed lifestyle for varying amounts of time, most of them cannot exit from the revolving door first time around. Typically, they relapse back. Of great importance, however, is that they do not stop there, but move back into the contemplation stage.
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Stages Of Change Model As Applied To Hiv/Aids Programme
PrecontemplationYoung man has heard about AIDS but doesn’t think it is relevant to his life.
ContemplationYoung man believes that he and his friends are at risk and thinks that he should do something.
Decision/DeterminationYoung man is ready & plans to use condoms so goes to a shop to buy them.
MaintenanceWearing condoms has become a habit and young man regularly buys them.
ActionYoung man buys
and uses condoms.
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STAGES OF CHANGE MODEL
Concept Definition Application
Pre-contemplation Unaware of the problem hasn’tthough about change.
Increase awareness of need forchange, personalizeinformation on risks andbenefits.
Contemplation Thinking about change, in thenear future.
Motivate, encourage to makespecific plans.
Commitment Making a plan to change. Assist in developing concreteaction plans, setting gradualgoals.
Action Implementation of specificaction plans.
Assist with feedback, problemsolving, social support,reinforcement.
Maintenance Continuation of desirableactions, or repeating periodicrecommended step(s).
Assist in coping, reminders,finding alternatives, avoidingslips/relapses (as applies).
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7. THE DIFFUSION OF INNOVATION THEORY
(Rogers - 1962)
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DIFFUSION OF INNOVATION PROCESS
Cummulative number or % of adopters
Time
Innovators
Early adopters
Early majority
Late majority
Late adopters
Source: Green & MCAlister 1984.
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DIFFUSION OF INNOVATION
The adoption of ideas in a community diffuses among individuals in that community at varying rates
Early in the introduction of a new idea, it is picked up by ‘innovators’ (between 2 and 3% of the target population) who are venturesome, independent, risky and daring. They want to be the first to do things and they may not be respected by others in the social system.
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DIFFUSION OF INNOVATION
The second group of people, the ‘early adopters’ (about 14% of the target population) are very interested in the innovation but they are not the first to sign up. They wait until the innovators are already involved to make sure the innovation is useful. They are respected by others in the social system and looked at as opinion leaders.
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DIFFUSION OF INNOVATION
The next group ‘early majority’ (about 34% of the target population) may be interested in the innovation but will need external motivation to become involved, They will deliberate for some time before making a decision.
The ‘late majority’ (also about 34% of the target population) are next and it will take more time to get them involved for they are skeptical and will not adopt an innovation until most people in the social system have done so.
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DIFFUSION OF INNOVATION
The last group the‘laggards’ (about 16% of the target population are not very interested in innovation and would be the last to become involved. They are very traditional and are suspicious of innovations. Laggards tend to have limited communication networks, so they really do not know much about new things.
This situation calls for different strategies for different categories of people and at different stages of the adoption process.
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DIFFUSION OF INNOVATIONTime Relapse between awareness, interest, trial and adoption
Time
Percentage of
population
25
50
75
100
A B C
E F G
STAGES
Awareness
Interest
Trial
Adoption
Late adopters
Early adopters
Source: Green & MCAlister 1984.
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DIFFUSION MODEL
KNOWLEDGE PERSUASION DECISION IMPLEMENTATION CONFIRMATION
PRIOR CONDITIONS1. Previous practice2. Felt needs/problems3. Innovativeness4. Norms of social systems
COMMUNICATION CHANNELS
Characteristics ofthe DecisionMaking Unit:1. Socio-
economiccharacteristics
2. Personalityvariables
3. Communicationbehaviour
Perceived Characteristicsof the Innovation1. Relative Advantage2. Compatibility3. Complexity4. Trialability5. Observability
1. Adoption Continued AdoptionLater Adoption
2. Rejection DiscontinuanceContinued Rejection
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(PRECEDE stands for) P=predisposing, R=reinforcing, E=enabling, C=construction, E=education, D=diagnosis, E=evaluation.
The predisposing factors are knowledge, attitude, cultural beliefs and readiness to change that give reasons for change.
Reinforcing factors are rewards or incentives that encourage repetition or persistence of good behavior as social support by family or peers, praise, symptom relief
Enabling factors includes the available resources and supportive policies that enable persons to act according to their suggestion.
PRECEDE PROCEED MODEL
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(PROCEED stands for) P=policy, R=regulatory, O=organizational, C=constructs, E=education, E=environment, D=development.
All these factors are environmental factors related to policy, regulations, laws. The relation between different organizations that have role related to health as education, agriculture, commerce, industry. These factors can affect the health education program either by helping or obstructing it.
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The PRECEDE-PROCEED model is a basic framework for planning process by breaking it into manageable smaller pieces.
It also allows taking account both internal and external factors.
The model recognizes that behavior is a complex of factors and need to be influenced by a combination of interventions.
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PRECEDEPRECEDE has four phases, Phase 1 : Identifying the ultimate desired
result “Diagnosis”, a behavioural and contextual
analysis is made and programme goals are established in line with policy objectives.
The roles of habitual and reasoned behaviour of the target groups are assessed.
Also the changeability of behaviour is analysed as it is advisable to start with behaviour which has the greatest impact and is easiest to change.
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Phase 2 : Identifying and setting priorities among
health or community issues and their behavioral and environmental determinants that stand in the way of achieving that result,
or conditions that have to be attained to achieve that result; and identifying the behaviors, lifestyles, and/or environmental factors that affect those issues or conditions.
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Phase 3: the instruments are chosen Regulatory instruments (laws, regulations,
permits, enforcement, covenants and agreements)
Economic instruments (subsidies, levies, taxes, tax differentiation and financial constructions)
Communicative instruments (information and promotion, training, personal advice, demonstrations and benchmarks)
Structural provisions (infrastructural provisions and technical interventions)
Often, a combination of instruments is used to influence people’s decisions.
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Phase 4 : Identifying the administrative and policy
factors that influence what can be implemented
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PROCEEDPROCEED has four phases Phase 5 : Implementation – the design and actual
conducting of the intervention. Phase 6 : Process evaluation. Are you actually
doing the things you planned to do?
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Phase 7 : Impact evaluation. Is the intervention
having the desired impact on the target population?
Phase 8 : Outcome evaluation. Is the intervention
leading to the outcome (the desired result) that was envisioned in Phase 1
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Predisposing Factors: Knowledge of screening
benefits Beliefs that barriers to
screening can be overcome Confidence in screening
Reinforcing Factors: Community-based outreach
workers promoting screening Social support form family
and friends Physician recommendations
for screening
Enabling Factors: Access to high-quality
screening for all individuals Skills in clinical examination,
and diabetes related risk factors and prevention
Process
Increase in annual
diabetes screening rates
Decrease in diabetes related
mortality rates
Stages of Change
Social-Cognitive Theory
Health Belief Model
Impact
Outcomee
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CONCLUSIONFrom all these models we can
conclude that the most important variables underlying behavioral performance are:
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VARIABLES UNDERLYING BEHAVIOURAL PERFORMANCE
1. The person must have formed a strong positive intention (or made a commitment) to perform the behaviour.
2. There are no environmental constraints that will make it impossible to perform the behaviour.
3. The person has the skills necessary to perform that behaviour.
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VARIABLES UNDERLYING BEHAVIOURAL PERFORMANCE
4. The person believes that the advantages (benefits, anticipated positive outcomes) of performing the behaviour outweigh the disadvantages (costs, anticipated negative outcomes).
5. The person perceives more social (normative) pressure to perform the behaviour than to not perform the behaviour.
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VARIABLES UNDERLYING BEHAVIOURAL PERFORMANCE
6. The person perceives that performance of the behaviour is more consistent than inconsistent with his or her self image, or that it’s performance does not violate personal standards that activate negative self-actions.
7. The persons emotional reaction to performing the behaviour is more positive than negative; and
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VARIABLES UNDERLYING BEHAVIOURAL PERFORMANCE
8. The person perceives that he or she has the capability to perform the behaviour under a number of different circumstances…”
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End of Session