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Copayments for prescription medicines on a public health insurance scheme in Ireland

Overview of attention for article published in Pharmacoepidemiology & Drug Safety, December 2015
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About this Attention Score

  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (85th percentile)
  • High Attention Score compared to outputs of the same age and source (82nd percentile)

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2 policy sources
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7 X users

Citations

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28 Dimensions

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49 Mendeley
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Title
Copayments for prescription medicines on a public health insurance scheme in Ireland
Published in
Pharmacoepidemiology & Drug Safety, December 2015
DOI 10.1002/pds.3917
Pubmed ID
Authors

Sarah-Jo Sinnott, Charles Normand, Stephen Byrne, Noel Woods, Helen Whelton

Abstract

We assessed the impact of the introduction of a €0.50 prescription copayment, and its increase to €1.50, on adherence to essential and less-essential medicines in a publicly insured population in Ireland. We used a pre-post longitudinal repeated measures design. We included new users of essential medicines: blood pressure lowering, lipid lowering and oral diabetic agents, thyroid hormone, anti-depressants, and less-essential medicines: non-steroidal anti-inflammatory drugs (NSAIDs), Proton Pump Inhibitors/H2 antagonists (PPIs/H2 ), and anxiolytics/hypnotics. The outcome was change in adherence, measured using Proportion of Days Covered. We used segmented regression with generalised estimating equations to allow for repeated measurements. Sample sizes ranged from 7145 (thyroid hormone users) to 136 111 (NSAID users). The €0.50 copayment was associated with reductions in adherence ranging from -2.1%[95% CI, -2.8 to -1.5] (thyroid hormone) to -8.3%[95% CI, -8.7 to -7.9] (anti-depressants) for essential medicines and reductions in adherence of -2%[95% CI, -2.3 to -1.7] (anxiolytics/hypnotics) to -9.5%[95% CI, -9.8 to -9.1] (PPIs/H2 ) for less-essential medicines. The €1.50 copayment generally resulted in smaller reductions in adherence to essential medicines. Anti-depressant medications were the exception with a decrease of -10.0% [95% CI, -10.4 to -9.6] after the copayment increase. Larger decreases in adherence were seen for most less-essential medicines; the largest was for PPIs/H2 at -13.5% [95% CI, -13.9 to -13.2] after the €1.50 copayment. Both copayments had a greater impact on adherence to less-essential medicines than essential medicines. The major exception was for anti-depressant medicines. Further research is required to explore heterogeneity across different socio-economic strata and to elicit the impact on clinical outcomes. Copyright © 2015 John Wiley & Sons, Ltd.

X Demographics

X Demographics

The data shown below were collected from the profiles of 7 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 49 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Ireland 1 2%
Unknown 48 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 10 20%
Researcher 7 14%
Student > Bachelor 6 12%
Student > Master 4 8%
Student > Doctoral Student 3 6%
Other 5 10%
Unknown 14 29%
Readers by discipline Count As %
Medicine and Dentistry 15 31%
Pharmacology, Toxicology and Pharmaceutical Science 7 14%
Economics, Econometrics and Finance 3 6%
Environmental Science 1 2%
Immunology and Microbiology 1 2%
Other 4 8%
Unknown 18 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 10. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 December 2021.
All research outputs
#3,617,249
of 25,457,858 outputs
Outputs from Pharmacoepidemiology & Drug Safety
#319
of 2,176 outputs
Outputs of similar age
#57,991
of 396,995 outputs
Outputs of similar age from Pharmacoepidemiology & Drug Safety
#11
of 63 outputs
Altmetric has tracked 25,457,858 research outputs across all sources so far. Compared to these this one has done well and is in the 85th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 2,176 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.9. This one has done well, scoring higher than 85% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 396,995 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 85% of its contemporaries.
We're also able to compare this research output to 63 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 82% of its contemporaries.