B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
50%
50% -- decrease in opt out rates for Deloitte pharmaceutical client personalized email campaign (2024)
Personalized email campaigns implemented by Deloitte for a large pharmaceutical company led to a 50% decrease in opt-out rates.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2024
Entity
Sample Size
700,000
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
Deloitte
Primary
Tier B
https://penfriend.ai/blog/improve-open-rates-and-click-through-rates ↗
Source Article
Email Marketing Mastery: Strategies To Improve Email Open Rates And Click-Through Rates In 2024
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Original Research
Deloitte
· Original study ↗
Methodology
Case study: 700,000 healthcare providers, five years of data
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Deloitte pharmaceutical client personalized email campaign: 50% decrease in opt out rates. Source: Deloitte (2024). Via Lighthouse Intelligence -- https://lighthousedata.io/data/deloitte-pharma-optout-decrease-50
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<blockquote cite="https://lighthousedata.io/data/deloitte-pharma-optout-decrease-50" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- decrease in opt out rates for Deloitte pharmaceutical client personalized email campaign<br><small>Source: Deloitte (2024) · <a href="https://lighthousedata.io/data/deloitte-pharma-optout-decrease-50" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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