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Different Ways to Improve Public Health. Focus on diseases/ injuries e.g. sexually transmitted diseases, intentional injury, diabetes Focus on risk factors e.g. tobacco use, nutrition, physical activity

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Different ways to improve public health
Different Ways to Improve Public Health

  • Focus on diseases/ injuries e.g. sexually transmitted diseases, intentional injury, diabetes

  • Focus on risk factors e.g. tobacco use, nutrition, physical activity

  • Focus on underlying factors that impact multiple dimensions of health e.g. poverty, social isolation


Underlying health determinants

Social

Environment

Physical

Environment

Genetic

Environment

  • Individual

  • Response

  • Behavior

  • Biology

Health

and

Function

Disease

and

Injury

Health

and

Medical Care

Well-Being

Prosperity

Underlying Health Determinants


Impact of early childhood home visitation programs
Impact of Early Childhood Home Visitation Programs

  • Program can prevent child maltreatment in high-risk families.

    • In studies reviewed, home visiting resulted in a 40% reduction in child maltreatment episodes.

    • Longer duration programs produce larger effects; programs of less than 2 years duration did not appear to be effective.

  • Professional home visitors may be more effective than trained paraprofessionals

    • but longer-duration programs with trained paraprofessionals can also be effective.


Impact of early childhood home visitation programs1
Impact of Early Childhood Home Visitation Programs

  • All programs reviewed were directed at families considered to be at high risk of child maltreatment, (e.g., single or young mothers, low-income households, families with low birth weight infants).

  • Other benefits

    • Health benefits for premature, low birth weight infants and for disabled and chronically ill children

    • Improved maternal educational attainment, reduced public support, improved child educational performance, reduction in drug use and contact with juvenile justice etc.


Tenant based rental voucher programs
Tenant-based Rental Voucher Programs Programs

  • Background

    • Tenant-based vouchers allow very low income families to rent safe, decent, and affordable privately owned housing in neighborhoods of their choice.

    • Rental voucher programs, known as “housing mobility programs,” work with landlords and tenants to find rental property outside of neighborhoods of concentrated poverty and relocate families to neighborhoods of greater prosperity.


Tenant based rental voucher programs1
Tenant-based Rental Voucher Programs Programs

  • Findings from the Systematic Review

    • 6 studies: rental voucher programs resulted in decreases in victimization of tenants or their property

    • Families enrolled in rental voucher programs who moved to better areas were

      • 6% less likely to have a household member victimized

      • 15% less likely to experience neighborhood social disorder.

    • Changes in victimization in both urban and suburban settings.


General comments on evidence based reviews
General Comments on Evidence Based Reviews Programs

  • More evidence than sometimes expected, however

  • Insufficient evidence common outcome

  • Very resource intensive process

  • Quality of studies vary widely

  • Economic data still uncommon

  • Important to consider harms even though uncommon


Task force reviews and recommendations
TASK FORCE REVIEWS AND RECOMMENDATIONS Programs

www.thecommunityguide.org

  • Results of all reviews to date

  • Frequent updating

  • Downloadable Slide Sets


How evidence can improve public health infrastructure
How Evidence Can Improve Public Health Infrastructure Programs

  • Explore evidence underlying options to reach each public health goal

    • e.g. smoking control, reducing disparities in infant mortality, increasing physical activity, increasing immunization rates

  • Comprehensively review the best sources of evidence reviews

    • Community Guide (best source when topic of interest has been covered)

    • Recent review articles in peer reviewed journals

    • Other meta-analyses funded by responsible federal agencies

  • Compare results and recommendations of different sources


How evidence can improve public health infrastructure1
How Evidence Can Improve Public Health Infrastructure Programs

Use evidence to decide among possible interventions

  • How does each possible intervention suit the problem and the population?

    • E.g. was it tried on particular racial/ ethnic/ age/ gender groups?

    • Is there reason to belief it would not be as effective for some of these on whom it was not tried?

    • Is the problem now similar to what it was when the major studies took place?


Deciding on interventions
Deciding on Interventions Programs

  • Single versus multiple component interventions

    • Single component interventions easier to develop, implement, control and assess, but

    • Multi-component interventions usually more effective

      • E.g. Tobacco control in California


Deciding on interventions1
Deciding on Interventions Programs

  • Consider both policies and programs

  • Programs

    • Greater control over all aspects

    • Organizational unit has primary responsibility for design, implementation and outcomes

  • Policies

    • Control varies: broad policies often made by elected officials

    • Policies have potential for greater public health impact

    • Credit needs to be shared e.g. LAUSD Nutrition Policies, increase in tobacco tax


Deciding on interventions2
Deciding on Interventions Programs

  • Consider effect size

    • Median

    • Consistency

  • Consider breadth of target population

  • Together effect size and target population define the overall population effect


How evidence can improve public health infrastructure2
How Evidence Can Improve Public Health Infrastructure Programs

  • Use evidence to determine realistic goals by estimate effect size (i.e.. how much you move the needle!)


Deciding on interventions3
Deciding on Interventions Programs

  • What is the slope of the effect curve?

    • Larger initial effects with significant recidivism

    • Smaller initial effects with Increasing impact over time

  • What is the time frame for observed health benefits?

    • How long were the follow-up periods for the best studies?

    • For equal benefit, shorter is better, but

    • Long term benefit is primary interest


Deciding on interventions4
Deciding on Interventions Programs

  • What is the cost of the intervention?

    • Personnel

    • Dollars i.e. contracts

    • Time to implement

    • Likelihood of funding for sufficient period to get effect

    • Potential for dedicated or incremental funding

    • Opportunity cost (i.e. cost of not doing other things)


Deciding on interventions5
Deciding on Interventions Programs

  • Relative cost-effectiveness

    • Cost effectiveness is dollar cost per health outcome (including clear intermediate outcomes)

      e.g. smoker prevented

      lead poisoning prevented

      STD cured

      drug treatment completed

      Note: some interventions have multiple health benefits e.g. smoking affects CVD, some cancers, respiratory disease etc.


Deciding on interventions6
Deciding on Interventions Programs

  • Who else needs to be involved to be successful?

    • Within public health

    • Within personal health services

    • Voluntary agencies

    • Health care organizations

    • Health plans

    • Employers

  • How difficult is it to get agreement on:

    • Roles and responsibilities

    • Interventions?

  • Time cost versus partnership benefit


How evidence can improve public health infrastructure3
How Evidence Can Improve Public Health Infrastructure Programs

  • Use evidence to help decide on construction of intervention

    • Interventions with same name can be very different

    • Follow the design used in most successful interventions

    • Talking to those who did the studies is very helpful in refining intervention


Using the evidence
Using the Evidence Programs

  • Use evidence to frame objectives

  • Use evidence to develop evaluation plan and related evaluation

    • Approach

    • Measures

    • Data collection plan

  • Develop internal evidence through performance measurement system

  • Frequent monitoring essential


What more is needed
What more is needed? Programs

  • More research on public health practice; for many interventions---insufficient evidence

  • Increased funding for evidence based reviews using consistent methodologies

  • More training on appropriate sources and uses of evidence

    • in schools of public health and others training public health professionals

    • in public health practice settings e.g. state and local health departments

    • Political leaders and others who influence the decision making process to improve health


Dhs public health opportunities
DHS Public Health Opportunities Programs

  • Become sophisticated user of evidence based information and recommendations

  • Make use of best evidence key aspect of performance of program directors and key managers

  • Contribute to the literature on what works in public health practice


Resources
Resources Programs

  • Getting People to Want Sliced Bread – An Update on Dissemination of the Guide to Community Preventive Services, J Public Health Management and Practice, 2003, 9(6), 545-551

  • Also see Evidence-Based Public Health, Ed. Ross C. Brownson, Elizabeth Baker, Terry L. Leet etc.

    Oxford University Press, 2003


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