How to Reduce Sickness Absence at Work: Prevention Strategies That Actually Work

hercuwise
3 days ago
4 min read

Most sickness absence doesn't begin on the day an employee calls in sick. It often begins weeks or months earlier, with poor sleep, rising stress, recurring headaches, untreated health conditions, reduced physical activity, unhealthy eating patterns or declining mental wellbeing. By the time someone is absent from work, there have usually been multiple missed opportunities for prevention.

According to the Health and Safety Executive (HSE), an estimated 33.7 million working days were lost due to work-related ill health and workplace injury in Great Britain during 2024/25. Of these, 16.4 million days were lost due to work-related stress, depression or anxiety, while 7.1 million days were lost due to work-related musculoskeletal disorders. Together, these two conditions account for the majority of work-related absence.

For many organisations, particularly SMEs, reducing sickness absence is often viewed as a reactive process involving return-to-work interviews and absence policies. Yet the evidence suggests the greatest opportunity lies much earlier by preventing common health problems before they require time away from work.

Why Prevention Often Gets Overlooked When It Comes To Sickness Absence

Most employers have an absence policy. Many also have procedures for recording sickness and supporting employees when they return. The challenge is that these systems only begin once someone is already unwell enough to stay at home. Prevention receives far less attention because its success is invisible. When someone avoids developing a health problem, there is no absence to record and no obvious metric to celebrate. As a result, organisations often invest more in managing absence than preventing it.

The most effective sickness absence strategy begins long before an employee takes their first sick day.

Five Evidence-Based Ways to Reduce Workplace Sickness Absence

1. Improve manager confidence in having health conversations

Managers are often the first to notice changes in attendance, behaviour or performance. However, many report feeling uncomfortable discussing health concerns with employees.

Training managers to recognise early signs of declining wellbeing, hold supportive conversations and signpost appropriate support can help employees seek help earlier before problems escalate into prolonged absence.

Research consistently shows that supportive line management is associated with improved employee wellbeing and better return-to-work outcomes.

2. Invest in health education, not just health campaigns

Many workplace wellbeing initiatives focus on awareness days or one-off events.

While these can raise awareness, sustainable behaviour change usually requires practical knowledge and skills that employees can apply in everyday life.

Evidence-based education on topics such as stress management, sleep, nutrition, physical activity and behaviour change can improve health literacy, helping employees make informed decisions that reduce long-term health risks.

3. Encourage early intervention

Employees often continue working while symptoms worsen because they believe problems will resolve on their own or worry about appearing weak.

Creating a culture where people feel comfortable discussing health concerns early allows simple adjustments or support to be introduced before absence becomes necessary.

Early intervention is particularly important for common conditions such as anxiety, musculoskeletal pain and sleep problems, where timely support is associated with better outcomes.

4. Look beyond individual health behaviours

Employee health is influenced by far more than personal lifestyle choices.

Job demands, workload, role clarity, management practices, workplace culture and opportunities for recovery all contribute to health outcomes.

The HSE's Management Standards identify six key organisational factors that influence work-related stress:

Demands
Control
Support
Relationships
Role
Change

Addressing these organisational factors alongside individual health education creates a much stronger prevention strategy than focusing on lifestyle alone.

5. Take a whole-person approach

Health risks rarely occur in isolation. Poor sleep can increase stress. Stress can reduce physical activity. Physical inactivity may worsen musculoskeletal pain. Chronic pain can affect mental health. Viewing employee health as interconnected rather than a series of separate wellbeing initiatives allows organisations to deliver more effective prevention programmes that reflect how health actually works.

The Cost of Waiting

Sickness absence represents only part of the economic impact. Many employees continue attending work despite poor health, often referred to as presenteeism. Although physically present, they may experience reduced concentration, lower productivity, impaired decision making and increased fatigue. Several studies suggest the costs associated with presenteeism may exceed those of sickness absence, although estimates vary considerably depending on the condition and measurement method.

By the time absence figures begin to rise, organisations may already have experienced months of reduced productivity that remained largely invisible. Prevention helps address both absence and presenteeism by supporting employees before health problems become more severe.

Where HercuWise Fits

HercuWise takes a prevention-first approach to workplace health. Rather than focusing on one health topic at a time, our evidence-based digital learning package covers nine interconnected areas of employee health, including stress management, mental health, sleep, nutrition, physical health, social wellbeing, behaviour change, digital health and workplace health.

The flexible online format allows organisations to provide consistent, practical health education across their workforce without the logistical challenges of repeated face-to-face training.

Whether you're an SME building your first wellbeing programme or a larger organisation looking to complement existing occupational health provision, prevention offers one of the greatest opportunities to improve employee health while reducing avoidable sickness absence.

You can try our free 15-minute demo course or book a call to learn how HercuWise can support your organisation.

Frequently Asked Questions

How can employers reduce sickness absence?

The strongest evidence supports a combination of early intervention, supportive management, good job design, evidence-based health education and a workplace culture that encourages employees to seek help early rather than waiting until problems become more serious.

What causes most workplace sickness absence?

National data consistently identifies mental ill health, particularly stress, depression and anxiety, alongside musculoskeletal disorders, as the leading causes of work-related sickness absence in Great Britain.

Does employee wellbeing training reduce sickness absence?

Training alone cannot eliminate sickness absence. However, evidence-based workplace health education can improve health knowledge, encourage healthier behaviours, increase confidence to seek support early and complement wider organisational measures designed to improve employee health.

Why is prevention better than managing absence?

Managing absence begins after an employee has become unwell. Prevention aims to reduce the likelihood of health problems developing in the first place, potentially reducing both sickness absence and presenteeism while supporting healthier, more productive workplaces.