| Course | IHP 501 Global Health and Diversity |
|---|---|
| Module | Module 5 |
| Paper type | graduate milestone literature review |
| Length | About 1,040 words, 6 pages |
| Format | APA 7 student paper |
| School | Southern New Hampshire University |
| Program | MPH |
| Updated | September 2026 |
Free sample paper for IHP 501 Module 5
Milestone Two: Community Health Workers and Professional Interpreters in Diabetes Care for Immigrant Adults
[Student Name]
Southern New Hampshire University
IHP 501: Global Health and Diversity
Module Five Milestone Two
[Instructor Name]
[Date]
Milestone Two: Community Health Workers and Professional Interpreters in Diabetes Care for Immigrant Adults
Milestone One showed that Latino immigrant adults at La Esperanza have worse diabetes control than the center's other patients and traced likely causes to cost, work schedules, immigration-related fear and language barriers. This review examines evidence on two strategies that address those causes directly: community health workers, known in many Latino communities as promotoras, and professional medical interpreters. Studies were identified in PubMed, CINAHL and the Cochrane Library, focusing on systematic reviews and randomized trials in adults with diabetes or chronic disease.
What Community Health Workers Do
At La Esperanza, the two promotoras already on staff describe their work simply: they are neighbors who know the clinic. In the research literature the role goes by many names, but the core is the same. These workers come from the neighborhoods they serve, often speak the same language and have lived through similar pressures, so patients may tell them things they would never tell a physician. In diabetes programs they explain the disease in everyday terms, help patients organize medications and glucose checks, visit homes, remind patients about appointments and help with food, transportation, benefits and paperwork. Because their value depends on trust, how they are hired, trained and supervised matters as much as what they are asked to do.
Evidence on Diabetes Control
Palmas et al. (2015) pooled the randomized trials that tested community health worker programs in adults with diabetes. Pooled across studies, the interventions produced a modest reduction in HbA1c compared with usual care, and some studies, particularly those involving patients with higher baseline levels, showed larger improvements. Results varied considerably, reflecting differences in how programs were designed, how long they lasted and how intensively workers engaged patients. Evidence on outcomes such as blood pressure and weight was limited. Many of the included trials involved Latino and other minority populations, making the findings relevant to La Esperanza.
Evidence From a Standardized Model
Kangovi et al. (2017) tested a standardized community health worker model in a randomized trial with adults in a large city who had limited incomes and two or more chronic illnesses, diabetes and hypertension among the most common. Workers helped patients set goals, addressed social needs and provided support for six months. Patients in the intervention group spent fewer total days in the hospital, reported better mental health and rated the quality of their care more highly than those receiving usual care. Measures of chronic disease control improved in both groups without a clear difference, suggesting that benefits may appear first in hospital use and patient experience.
Evidence on Professional Interpreters
Karliner et al. (2007) systematically reviewed studies comparing professional interpreters with relatives or untrained staff pressed into interpreting, or with no interpreter at all. Professional interpreters were associated with better communication, fewer errors, greater patient comprehension, better clinical outcomes in some studies and higher satisfaction. Flores (2005) reached a similar conclusion in an earlier review, finding that untrained interpreters made more errors with potential clinical consequences and that patients who struggle with English received better care when trained interpreters were available.
Synthesis
The evidence supports both strategies, with different strengths. Community health workers offer modest but real improvements in diabetes control, with evidence of reduced hospital use and better patient experience when programs are structured and address social needs. Professional interpreters improve communication and reduce errors, a foundation without which diabetes education and medication changes cannot work well. The strategies are complementary: interpreters serve clinical encounters, while promotoras extend support between visits and into homes.
Table 1. Summary of Evidence
| Source | Design | Main finding | Relevance |
|---|---|---|---|
| Palmas et al. (2015) | Meta-analysis of trials | Modest HbA1c reduction; larger in some studies | Many Latino participants |
| Kangovi et al. (2017) | Randomized trial | Fewer hospital days; better mental health and care quality | Low-income, multiple chronic conditions |
| Karliner et al. (2007) | Systematic review | Professional interpreters improve communication and care | Limited English proficiency |
| Flores (2005) | Systematic review | Untrained interpreters make more errors | Limited English proficiency |
Note. Designs are described as reported by the authors.
How Programs Differ
The variation in results across community health worker studies is itself informative. Programs that trained workers well, gave them manageable caseloads, integrated them into the care team and ran for a year or more tended to report stronger effects than brief programs with loosely defined roles. Programs that addressed social needs, such as food and housing, alongside diabetes education appear better suited to populations facing economic hardship. Workers who can communicate directly with clinicians, for example by flagging a patient whose blood sugars are rising, may prevent problems before they require an emergency visit. These patterns suggest that design and integration, not the job title alone, determine whether a program helps.
Gaps in the Evidence
For La Esperanza, the literature leaves three important questions open. First, few trials report long-term outcomes, so it is unclear whether improvements last after programs end. Second, the specific effect on undocumented or mixed-status families is rarely examined, even though fear of institutions may change how they respond to outreach. Third, studies seldom report costs in ways a community health center can use to plan. The center will need to monitor results and costs carefully.
Design Implications
The review suggests several design choices. Promotoras should be hired from the community, trained in diabetes and in addressing social needs and given structured protocols, as in the standardized model, rather than informal roles. Their work should focus first on patients with HbA1c above 9%, where effects appear larger. Interpreting should move from family members and untrained staff to professional interpreters, in person or by video, for all visits with patients who prefer Spanish. Outcomes should include not only HbA1c but hospital use, patient experience and eye exams.
Community Voice
The literature cannot tell the center how patients themselves view these strategies. Before finalizing the intervention, the project team will hold listening sessions with patients and with the center's two existing promotoras to learn what support would help most and what might make patients hesitant, such as concerns about home visits.
Conclusion
Community health workers and professional interpreters each have evidence behind them, and together they address the language, trust and social barriers identified in Milestone One. The next milestone will design an intervention combining them, shaped by the community's own priorities.
References
Flores, G. (2005). The impact of medical interpreter services on the quality of health care: A systematic review. Medical Care Research and Review, 62(3), 255-299. https://doi.org/10.1177/1077558705275416
Kangovi, S., Mitra, N., Grande, D., Huo, H., Smith, R. A., & Long, J. A. (2017). Community health worker support for disadvantaged patients with multiple chronic diseases: A randomized clinical trial. American Journal of Public Health, 107(10), 1660-1667. https://doi.org/10.2105/AJPH.2017.303985
Karliner, L. S., Jacobs, E. A., Chen, A. H., & Mutha, S. (2007). Do professional interpreters improve clinical care for patients with limited English proficiency? A systematic review of the literature. Health Services Research, 42(2), 727-754. https://doi.org/10.1111/j.1475-6773.2006.00629.x
Palmas, W., March, D., Darakjy, S., Findley, S. E., Teresi, J., Carrasquillo, O., & Luchsinger, J. A. (2015). Community health worker interventions to improve glycemic control in people with diabetes: A systematic review and meta-analysis. Journal of General Internal Medicine, 30(7), 1004-1012. https://doi.org/10.1007/s11606-015-3247-0
What the IHP 501 Module 5 instructions ask for
Milestone Two in IHP 501 generally calls for a graduate-level synthesis of research on interventions that could address your disparity. Graduate reviews commonly run five to seven APA 7 pages. Describe your search, review key studies with attention to design and relevance to your population, synthesize what they show together and identify gaps that matter for your setting. Close with design implications for your intervention. Organize around strategies or questions rather than one study per paragraph, and be honest about modest effects, since instructors value realistic appraisal over enthusiasm and will look for how the evidence shapes your plan. IHP 501 graders notice clean headings in IHP 501 papers. IHP 501 names and dates need checking before IHP 501 submission.
How this IHP 501 Module 5 milestone two example is built
This review examines community health workers and professional interpreters for narrowing a diabetes gap among Latino immigrant adults. Palmas and colleagues' meta-analysis finds a modest average HbA1c improvement from community health worker programs, larger in some studies, and Kangovi and colleagues' trial shows fewer hospital days and better patient-reported care with a standardized model. Karliner and colleagues and Flores find professional interpreters improve communication and reduce errors. A table summarizes the evidence, gaps include long-term outcomes and mixed-status families and design implications include structured promotora protocols, targeting HbA1c above 9% and professional interpreting for all Spanish-preferring patients. IHP 501 students can reuse this structure for IHP 501 work. IHP 501 claims here trace to cited IHP 501 sources.
Where the IHP 501 Module 5 rubric puts the points
Literature review milestones in IHP 501 are typically marked on search description, relevance and quality of sources, accurate reporting of designs and findings, synthesis across studies, identification of population-specific gaps, design implications, scholarly support and APA 7. Strong reviews connect evidence to the population, report effect sizes honestly and show how findings will shape the intervention. Reviews lose points when they summarize studies one after another without synthesis, overstate modest effects or ignore evidence gaps relevant to the population. Combining complementary strategies based on evidence is often credited by graders. IHP 501 marks favor careful formatting across IHP 501 sections. IHP 501 citations keep every IHP 501 argument credible.
IHP 501 Module 5 help: the mistakes that cost points
In IHP 501, Milestone Two often loses points for study-by-study summaries, for exaggerated conclusions, for missing gaps and for skipping implications for design. Another common weakness is ignoring whether studies included populations like yours. Organize by strategy, report designs and effects accurately, synthesize, name relevant gaps and draw design implications. If you are considering different interventions, such as telehealth or group medical visits, add them to your IHP 501 notes so the review covers those strategies. IHP 501 drafts start well from a IHP 501 outline. IHP 501 feedback already received guides IHP 501 revisions.
Get IHP 501 Module 5 written to your instructions
Send the IHP 501 Milestone Two prompt, your disparity and the strategies you are weighing. The review will describe the search, appraise key studies for design and relevance, synthesize findings, name gaps for your population and draw design implications, within 24 to 48 hours, free the first time. The paper above is an original model document written by our desk, not a submitted student paper and not an official Southern New Hampshire University document.
More IHP 501 papers and related MPH samples
- IHP 501 Module 1 Discussion: The Social Gradient in Health
- IHP 501 Module 2 Social Determinants Paper: Equity, Social Determinants and the Causes of the Causes
- IHP 501 Module 3 Milestone One: Defining the Disparity
- IHP 501 Module 4 Racism and Health Paper: Discrimination and Structural Racism as Determinants of Health
- IHP 330 Module 7 Screening Test Evaluation Paper
- IHP 450 Module 6 Final Project Milestone Three
- IHP 430 Module 1 Medical Error Short Paper
- HCM 340 Module 5 Final Project Milestone Two
IHP 501 Module 5 questions, answered
Where can I find a free IHP 501 Module 5 Milestone Two sample?
The complete review appears here: community health workers and professional interpreters for diabetes care among immigrant adults, with a summary table.
Do community health workers improve diabetes control?
A meta-analysis found a modest average reduction in HbA1c, with larger improvements in some studies.
What did the standardized community health worker trial show?
Patients receiving standardized community health worker support had fewer hospital days and better mental health and care quality ratings.
Are professional interpreters better than family members?
Reviews found professional interpreters improve communication and reduce errors compared with ad hoc interpreters such as family members.
How should a graduate literature review be organized?
By strategy or question, synthesizing what studies show together, with attention to gaps and implications for the intervention.