| Course | PUBH 6005 Perspectives on Health and the Developing Scholar-Practitioner |
|---|---|
| Week | Week 7 |
| Paper type | Article appraisal |
| Length | About 600 words, 5 pages |
| Format | APA 7 student paper |
| School | Walden University |
| Program | Master of Public Health (MPH) |
| Updated | October 2026 |
Free sample paper for PUBH 6005 Week 7
Reading a Study for Its Design, Not Its Headline: An Article Appraisal of a Single-Center Survey of Cost-Related Insulin Underuse and the Limits a Reader Must Supply
Student Name
Walden University
PUBH 6005: Perspectives on Health and the Developing Scholar-Practitioner
Instructor Name
Month Day, Year
Reading a Study for Its Design, Not Its Headline: An Article Appraisal of a Single-Center Survey of Cost-Related Insulin Underuse and the Limits a Reader Must Supply
The Article
The article is a 2019 research letter in JAMA Internal Medicine reporting how many clinic patients cut back on insulin because of its price (Herkert et al., 2019). I chose it because it is the study most often cited for the claim that one in four people with diabetes rations insulin, and because I cited it that way myself in Week 1.
What the Study Did
Question
How often do clinic patients with diabetes cut back on insulin because of its price, and which patient characteristics go with doing so?
Design
A cross-sectional survey: patients answered questions once, at one point in time.
Setting and Sample
199 patients at a single academic diabetes center in New Haven, Connecticut.
Main Finding
About one in four respondents (25.5%) reported cutting back on prescribed insulin because of its price, by smaller doses, stretched supplies or missed injections (Herkert et al., 2019).
Appraisal
Table 1
Design Features and Their Consequences
| Feature | Strength | Limit | |
|---|---|---|
| Direct question about cost-related underuse | Measures the behavior of interest in patients' own terms | Self-report may understate a sensitive behavior or overstate it if cost is blamed for other reasons | |
| Cross-sectional design | Quick and inexpensive; gives a prevalence estimate | Cannot show that cost caused underuse or that underuse caused poor outcomes | |
| Single academic specialty center | Patients with confirmed diabetes and insulin prescriptions | Specialist patients may differ from those in primary care or without regular care | |
| Sample of 199 | Large enough for a clinic prevalence estimate | Too small for detailed subgroup comparisons | |
| Research letter format | Fast publication of a needed figure | Little space for methods or limitations; readers must supply them | |
Note. Assessment based on the published letter.
The Most Important Limit
The setting is the limit most often lost when the study is cited. Patients at an academic diabetes center have, by definition, reached specialist care. People who cannot afford insulin may also struggle to afford specialist visits, so the patients most likely to ration could be underrepresented. Alternatively, a specialist center may treat more complex cases with higher insulin needs and costs. The direction of the bias is unclear, which is exactly why the 25.5% figure should be tied to its setting every time it is used.
A Limit I Missed at First
I first read "underuse" as meaning skipped doses. The measure is broader, including taking smaller doses and stretching supplies. That matters when comparing it with studies that define rationing differently, such as a national survey that asked about skipping, taking less or delaying insulin to save money (Gaffney et al., 2022). Differences between studies may partly reflect different definitions.
What the Study Can Support
It supports the claim that cost-related underuse was common enough at one specialist center to affect about a quarter of patients surveyed. It does not support a national prevalence, a causal claim or a claim about health outcomes. Its value lies in being early and specific: it turned an impression shared by many clinicians and pharmacists into a measured figure that later national studies could test.
How I Will Cite It Now
"At one academic diabetes center, 199 patients were surveyed and about a quarter reported underusing insulin because of cost (Herkert et al., 2019)." The setting stays in the sentence. Brownson et al. (2009) describe evidence-based practice as weighing the quality and fit of evidence for a given population, and this sentence does that weighing where the reader can see it.
References
Brownson, R. C., Fielding, J. E., & Maylahn, C. M. (2009). Evidence-based public health: A fundamental concept for public health practice. Annual Review of Public Health, 30, 175-201. https://doi.org/10.1146/annurev.publhealth.031308.100134
Gaffney, A., Himmelstein, D. U., & Woolhandler, S. (2022). Prevalence and correlates of patient rationing of insulin in the United States: A national survey. Annals of Internal Medicine, 175(11), 1623-1626. https://doi.org/10.7326/M22-2477
Herkert, D., Vijayakumar, P., Luo, J., Schwartz, J. I., Rabin, T. L., DeFilippo, E., & Lipska, K. J. (2019). Cost-related insulin underuse among patients with diabetes. JAMA Internal Medicine, 179(1), 112-114. https://doi.org/10.1001/jamainternmed.2018.5008
The Walden PUBH 6005 Week 7 instructions
Article appraisal assignments ask students to read a single study critically, describing its question, design, sample and findings, then judging strengths and limits. Instructors expect students to explain how design features shape what the study can support, not merely to list limitations. Many prompts provide an appraisal checklist or ask students to use one. Briefs commonly run two or three pages with a table and a short conclusion. Strong appraisals identify the single limit that matters most for how the study is used, and end with a revised citation sentence that respects it. Sections differ: a few assign the article, while most let students pick one tied to their topic. Instructors often ask why the student chose the study, so connecting it to the student's own topic and earlier writing strengthens the appraisal.
How the PUBH 6005 Week 7 example is put together
The brief identifies the article and why it was chosen, including the writer's earlier overreach in citing it. A section summarizes the question, design, setting, sample and main finding. A table pairs five design features with their strengths and limits. Subsections explain the most important limit, the specialist setting, and a limit the writer missed at first, the breadth of the underuse measure. A section sorts the claims the letter can carry from those it cannot, and the brief closes with a corrected citation sentence. The brief treats a limit the writer at first overlooked as part of the appraisal rather than hiding it, which models how careful reading actually develops.
Reading the PUBH 6005 Week 7 rubric
Article appraisals are judged on accurate summary, depth of critique, judgment about the most important limit and practical consequences. Summary credit requires correct description of design and sample. Critique credit rewards explaining how each feature affects the findings. Judgment credit comes from identifying which limit matters most for the study's use. The consequence criterion rewards a new citation sentence that reflects what the appraisal found. Accurate APA citation of the appraised study is expected. Appraisals that compare the study's definitions with those of related studies show stronger critical reading than appraisals that treat the study alone. Marks drop when the student repeats the abstract's numbers without saying which patients produced them.
PUBH 6005 Week 7 help: mistakes that cost marks
Appraisals often list limitations without saying why they matter. For each design feature, ask what it lets the study claim and what it rules out. Decide which limit most affects how the study is cited. Check how the study defined its main measure. Then rewrite the sentence you would use to cite it. A free appraisal of a study on your topic can be requested. Go through the methods two times, first noting what the team did and then noting what it left undone. Write down who was studied before you write down what was found. A short table of design features keeps the critique organized and stops the brief from drifting into summary.
Get a PUBH 6005 Week 7 example written to your instructions
Attach the article you are appraising, or the one assigned, with the appraisal instructions and rubric. The appraisal reads that study's design and stated limits. The first is free and comes back in 24 to 48 hours, its fit section written so you can see where the conclusion outruns the evidence.
More PUBH 6005 papers and MPH samples
- PUBH 6005 Week 1: Introduction Post
- PUBH 6005 Week 2: Field Scope Paper
- PUBH 6005 Week 3: Literature Search Log
- PUBH 6005 Week 4: Peer Reply
- PUBH 6005 Week 5: APA Practice Piece
- PUBH 6005 Week 6: Scholar-Practitioner Essay
- PUBH 6005 Week 8: Integrity Memo
- PUBH 6005 Week 9: Determinants Discussion
- PUBH 6005 Week 10: Professional Goals Plan
- PUBH 6005 Week 11: Synthesis Paper
- HLTH 6800 Week 7: Capstone Argument Audit Table
- HLTH 6475 Week 7: Program Resource Plan
- HLTH 6412 Week 7: New Parent Channel Plan
- HLTH 6405 Week 7: Healthcare Ethics Code Application
PUBH 6005 Week 7 questions, answered
Where can I find a free PUBH 6005 Week 7 sample paper?
The full Week 7 article appraisal is shown above, reading a single-center survey of cost-related insulin underuse for its design and limits.
What is a cross-sectional survey?
A study that collects data from participants at one point in time, useful for prevalence but not for showing cause and effect.
Why does a single specialty center limit a study?
Its patients may differ from people seen in primary care or without regular care, so the result may not generalize.
What did this study find?
About one in four of 199 patients at one academic diabetes center reported cost-related insulin underuse.
Why check how a study defines its main measure?
Different definitions, such as skipping doses versus any reduction, can explain differences between studies.