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Seminar from HSE’s Workplace Health Expert Committee: How do we know interventions work?

HSE is pleased to invite you to its first online seminar from the Workplace Health Expert Committee (WHEC). The seminar will discuss the nature of evaluation of interventions and highlight the complexities inherent in their implementation and interpretation.


“This work helps to identify the key issues which need to be considered when developing and delivering interventions; WHEC have undertaken an important piece of work which reviews the evidence in this area, and this seminar will help to present their findings.”

Professor Andrew Curran, HSE Chief Scientific Adviser and Director of Research.


Paul Cullinan holds a chair in Occupational and Environmental Disease at Imperial College and is a consultant hospital physician. Paul has been a member of WHEC since it was created in 2015.

Joanna Wilde is a retired organisational psychologist, Chartered Psychologist and Chartered Scientist, having held senior roles in organisational development, health and effectiveness with organisations such as Hewlett Packard, Comalco Smelting and British Airways.  She joined WHEC in September 2018.

Date: Friday 16th September 2022, 12.30-13.30.

Seminar Registration:

Seminar: Evaluating interventions in work-related ill health and disease Tickets, Fri 16 Sep 2022 at 12:30 | Eventbrite

The development of policy in HSE needs to be informed by the best available contemporary scientific evidence. HSE formed the Workplace Health Expert Committee (WHEC) to provide independent expert advice to them on: new and emerging workplace health issues; new and emerging evidence relating to existing workplace health issues; the quality and relevance of the evidence base on workplace health issues.

Evidence review paper: Evaluating interventions in work-related ill health and disease

The prevention of disease and ill health caused by adverse factors at work will often require interventions to reduce the level of exposure to harm.  Evaluation of the effectiveness of such interventions is an essential step to enable confidence that the intervention has had the desired effect, and to understand the extent of the benefit gained and whether it has caused any unintended harm.

Interventions and their evaluation are more straightforward where a single agent (e.g. asbestos, benzene, carbon disulphide) is responsible for one or more clearly defined outcomes (e.g. mesothelioma or lung cancer, leukaemia, ischaemic heart disease) but are more complex in circumstances where ill health is the outcome of multiple possible interacting environmental factors in and outside work.  An important example of such complexity is organisational intervention focused on reducing psychological and social hazards that are known to contribute to poor mental and physical health outcomes.

This paper outlines intervention principles to address this complexity and the research that underpins it.

Read the full report here: Evaluating interventions in work-related ill health and disease. Evidence Review Report

See the WHEC webpage for more information: Workplace Health Expert Committee 


September 16th, 2022 12:30 PM through  1:30 PM
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