Measuring WHP Success: KPIs and ROI

How do I measure the success of my WHP program — and how do I calculate ROI for leadership?

WHP ROI can be benchmarked against recognized studies: according to the iga.Report, every euro invested in structured workplace health management returns €2.70 on average (1:2.7, with structured implementation). That describes the category, not your result — the proof is your own measurement. Under German law, health insurers also expect structure, process, and outcome evaluation for § 20b funding — participant counts alone aren't enough.

WHP KPI System: Hard and Soft Metrics at a Glance

KPI	Measurement Method	Target / Benchmark	Data Source	Reporting
Sick-Leave Rate (%)	Sick days / (working days × employees) × 100	Below the national average (German Federal Ministry of Health, KM1 statistics: 5.66% annual mean 2025)	Payroll / HR system	Quarterly
Sick Days per Employee	Total sick days / number of employees	Year-over-year comparison; the national comparison is made via the sick-leave rate (KM1)	Payroll	Annually, year-over-year comparison
BEM Rate (%)	BEM offers made / BEM-eligible cases × 100	100% — offering BEM is mandatory (§ 167(2) SGB IX, German law); participation is voluntary	BEM case log / HR	Semi-annually
Initiative Participation Rate	Participants / target group × 100	Your own target per initiative, year-over-year comparison	Registration system / initiative log	Per initiative
Self-Reported Health (survey)	Employee survey: 0–10 scale	Improvement over prior year; target ≥ 7	Anonymous survey	Annually
WHP ROI (€ per € invested)	Your own ROI calculation (see Section 3)	Study value: 1:2.7 (per iga.Report, on average, with structured implementation)	Cost accounting + sick-leave data	Annually

Why don't participant counts convince management?

Participant counts are a process metric — they show whether offerings were accepted. They say nothing about impact. Leadership decides on budgets. They need outcome metrics, not an event calendar.

After every health day, the same slide lands on the table: “340 employees took part — that's 68 percent of the workforce.” What that sentence doesn't answer: Did it change anything? Is sick leave dropping? Are there fewer back-related absences? Has morale improved?

The GKV Prevention Guideline (a German statutory health insurance framework) provides for evaluation of workplace health promotion under § 20b SGB V on three levels — structure, process, and outcome. Participant counts alone cover only a small part of that.

Which three evaluation levels does the GKV guideline name?

The 2025 GKV Prevention Guideline distinguishes three evaluation levels — structure, process, and outcome — that build on each other hierarchically. Measuring only the third level without securing the first is building on sand.

Level 1 — Structure evaluation: Was the WHP governance system active? Did the health steering committee meet regularly and with its agreed membership? Typical metrics: number of committee meetings, leadership attendance rate, works council participation.

Level 2 — Process evaluation: Did initiatives reach the right target groups? Were shift workers, older employees, and staff without desk jobs taken into account? Metrics: participation rates broken down by target group, barrier-reduction measures.

Level 3 — Outcome evaluation: What changed measurably? Year-over-year sick-leave rate, trends in self-reported health scores, BEM rate, turnover rate. Important: name correlation, not unwarranted causation.

How do you calculate the WHP ROI for your company?

For your own ROI calculation you need three figures: (A) Average fully-loaded cost of one sick day (wages + benefits + productivity loss) — most accurate from your own controlling; as a rough guide, around €300 per sick day (Personalwirtschaft 2024, German figures). (B) Number of sick days avoided compared to the German national average (KM1 statistics) — assuming your sick-leave rate would be at that level without workplace health management. (C) Total investment in workplace health management (initiatives + coordination time + external costs).

Formula: ROI = [(A × B) − C] / C × 100%. Example: 100 employees, €300 fully-loaded cost per sick day, 0.5 sick days avoided per employee = 100 × 0.5 × €300 = €15,000 in savings. Workplace health investment: €10,000. ROI = [(15,000 − 10,000) / 10,000] × 100 = 50%. Written as investment to savings, that is 1:1.5 — conservative, but credible in a leadership conversation.

The evidence is positive: according to the iga.Report, every euro invested in structured workplace health management returns €2.70 on average (1:2.7, with structured implementation). That describes the category, not your result. The proof for your company is your own calculation.

Reality check: higher figures from US studies (such as Chapman 2012) often come from multi-year programs and do not transfer to German companies. Showing your own measurement instead of borrowing other people's numbers is more credible.

When is a balanced scorecard worthwhile in WHP?

Once workplace health management grows beyond individual projects, a balanced scorecard helps — a governance system that frames workplace health management not as a one-off project but as a strategic dimension.

A WHP balanced scorecard has four perspectives: (1) Financial perspective: ROI, absence costs, BEM costs vs. turnover costs. (2) Employee perspective: satisfaction, health perception, engagement. (3) Process perspective: steering committee activity, initiative completion rate, GKV compliance. (4) Learning and development perspective: WHP competence at the leadership level, knowledge building, innovation measures.

The advantage of the balanced scorecard: it prevents workplace health management from being reduced to cost-cutting. Companies that only optimize sick-leave rates lose sight of the real goal — health as a value driver. The scorecard keeps all four dimensions visible at once.

What evaluation does the health insurer expect for funding?

For process funding under § 20b SGB V, German statutory health insurers require evaluation evidence that goes beyond a single initiative's closing report. They want to see that workplace health management runs as a continuous system — not as an annual campaign.

The health-economic evaluation can take the form of a cost-benefit analysis (monetary: ROI) or a cost-effectiveness analysis (non-monetary: sick days, survey scores). Both are acceptable — for leadership reports, the cost-benefit analysis is more persuasive; for health-insurer applications, cost-effectiveness analysis is often sufficient.

Tip: ask your health insurer early which evaluation format it accepts for the funding application. AOK, TK, BKK, and IKK sometimes use different forms — what counts as evidence at one insurer may not be enough at another. Contact is usually made through the insurer's workplace health advisor.

Which tools can be used to evaluate WHP?

For employee surveys, the GKV Guideline recommends scientifically validated instruments. Proven in German companies: the Copenhagen Psychosocial Questionnaire (COPSOQ) for psychosocial strain, the Work Ability Index (WAI) for older workforces, and your own short questionnaires (3–5 questions) for mid-year pulse checks.

For absence analysis, the HR system is sufficient in many SMEs. Using the health reports provided by German statutory insurers gets you aggregated data by occupational group and diagnosis category — free of charge, GDPR-compliant, and available once a minimum number of your employees are insured with the same insurer (each insurer sets its own threshold; some require 50).

For demonstrating ROI to leadership: a simple spreadsheet calculation with the three figures from Section 3 (daily sick-day cost, sick days avoided, investment) is sufficient and transparent. External expert reports are only necessary at large enterprises under dedicated controlling pressure.

COPSOQ: Psychosocial strain — free online questionnaire, validated
Work Ability Index (WAI): Work ability of older employees
GKV health reports: free, from a minimum number of insured employees per insurer, broken down by diagnosis
Your own ROI calculation: 3 figures, spreadsheet-ready, leadership-conversation-ready
Balanced Scorecard: strategic workplace-health controlling, useful once workplace health management goes beyond individual projects

Quick check

What's your company's workplace-health maturity?

Your maturity level shows how far your measures already sit within a structured health promotion process. Under German tax law, such a process is one way for measures to be tax-free up to the allowance of €600 per employee per year (§ 3 No. 34 EStG) — only your tax advisor can confirm this. Answer in about 7 minutes, no sign-up.

Start maturity check (about 7 min.)

Related measures & topics

Key takeaways

Participant counts alone aren't evaluation — the GKV Guideline provides for three levels: structure, process, outcome.
WHP ROI: 1:2.7 per iga.Report, on average, with structured implementation — the proof for your company is your own measurement.
Fully-loaded sick-day cost: most accurate from controlling — as a guide, around €300 per sick day (Personalwirtschaft 2024).
Balanced scorecard: four perspectives instead of a pure cost focus — useful once workplace health management goes beyond individual projects.
Use the GKV health report for free: aggregated diagnosis data, GDPR-compliant, from a minimum number of insured employees per insurer.
§ 20b funding: prepare evaluation on all three levels and agree the evidence with the insurer in advance.

Frequently asked questions

What's the average workplace-health-management ROI at German companies?+

According to the iga.Report, every euro invested in structured workplace health management returns €2.70 on average (1:2.7, with structured implementation). That describes the category, not your result. Higher figures from US studies (Chapman 2012) do not transfer to German companies. The proof is your own measurement — compared with the national average and with alternative costs (recruiting, BEM proceedings).

What does a sick day actually cost — i.e., the true fully-loaded cost?+

Your controlling department has the exact figure: continued wage payment, benefits, and the productivity loss for colleagues (overtime, covering shifts). As a rough guide, a sick day costs around €300 (Personalwirtschaft 2024, model calculation, German figures) — more or less depending on wage level and type of work.

Is the internal sick-leave rate enough evaluation evidence for § 20b?+

No — the GKV Guideline provides for all three evaluation levels. The sick-leave rate is an outcome metric (level 3). Without structure and process evaluation (levels 1 and 2), the evidence is incomplete. Check in advance with your health insurer what evidence it expects — companies have no legal entitlement to funding.

Can the works council refuse to release workplace-health metrics?+

Under German law, the works council has co-determination rights under § 87(1) no. 6 BetrVG when introducing or changing systems for monitoring employee conduct or performance — employee surveys can fall under this. Fully anonymized, aggregated metrics (company-wide sick-leave rate) are generally not subject to co-determination. Recommendation: involve the works council early and put a works agreement on workplace health management in place.

How often should a workplace-health KPI report be produced?+

Quarterly for the steering committee (health working group): operational management. Semi-annually for HR leadership: trend analysis, BEM rate, initiative progress. Annually for leadership: full evaluation report with ROI, year-over-year comparison, continuous-improvement chapter. For the health insurer: in the format and by the date you have agreed with it.

Automatically Capture WHP Metrics

EasyWHP records initiatives, BEM case histories, and steering committee meetings — and summarizes them in a report you can discuss with your leadership and your health insurer.

Try EasyWHP Check Your WHP Maturity

Sources

Last updated: 2026-06-24. Not legal or tax advice — have your specific case reviewed by a professional.

WHP KPIs: The Basic SetWhich KPIs belong in a basic workplace health promotion (WHP) reporting set — and how are they calculated consistently?WHP Results ReportWhat belongs in the WHP results report for executive leadership?Building a WHP StructureHow do I build a WHP structure that is well organized and meets the prerequisites for a funding conversation with a German statutory health insurer (Krankenkasse)?Health Data & GDPRWhich health data may HR analyze — and what does the GDPR prohibit?WHP Costs for SMEsWhat does a complete workplace health promotion (WHP) program cost at a small or medium-sized German company?