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LeadershipPublished · Updated · 6 minBy Caroline Peters ·Founder & CEO, OHA Wellness

Mental health training for managers, and room to use it

Mental health training for managers builds skills and knowledge, and the research on its effect on employees is still thin. Keep the training, then measure whether the managers' load moved.

A manager in a one-on-one conversation with a team member
Mental health training changes what managers know. A remeasure shows whether their load changed.

Mental health training for managers is worth doing, and it leaves one question open: did the managers' load change afterwards? A 2018 meta-analysis found that the training improves managers' knowledge, attitudes and self-reported behaviour, and found no significant pooled effect on employees' psychological symptoms.

That is no reason to skip the training, and nothing here argues for replacing it with something else. It is a reason to decide, before the next cohort starts, how you will know whether the managers you trained have the room to use what they learned.

What does mental health training for managers change?

It changes what managers know and how they respond. The 2018 meta-analysis in Occupational and Environmental Medicine pooled ten controlled trials of manager training and found significant gains in managers' mental health knowledge (a standardised effect of 0.73), in non-stigmatising attitudes (0.36) and in self-reported behaviour in supporting employees who are struggling (0.59). A larger number means a bigger difference between trained managers and the comparison group.

The World Health Organization reaches the same place from policy. Its fact sheet on mental health at work, dated 15 September 2026, recommends manager training that helps managers recognize and respond to employees in emotional distress, builds skills such as open communication and active listening, and helps managers understand how job stressors affect mental health.

The established programmes set out to do just that. The Working Mind for Managers, from Opening Minds at the Mental Health Commission of Canada, lists among its aims recognizing the early signs of a decline in mental health and having supportive conversations with confidence. Mental Health First Aid aims to help people recognize when someone may be facing mental health challenges and know how to provide initial support. Training of this kind belongs in a manager's toolkit, and this post assumes you keep it there.

What does the research say about employee outcomes?

It is thin. The 2018 review found no significant pooled effect on employees' psychological symptoms, and only a small number of studies measured them. Its authors describe the findings on employee distress as preliminary and call for more collection of employee-level data.

A 2025 meta-analysis in the Scandinavian Journal of Work, Environment & Health looked at a neighbouring question: stress management programmes aimed at leaders themselves. Across 25 studies and 2,466 participants, it found a significant effect on supervisors' mental health and, after excluding influential cases, on work-related and leadership-related outcomes. That is a different intervention from teaching a manager to support others, and it measures the leader's own stress.

The 2018 review's abstract reports outcomes for managers' knowledge, attitudes and behaviour, and for employees' symptoms. It does not report the demands of the manager's own job. That is a question an employer can answer with its own data.

Why remeasure the managers' load after training?

Because training adds to what a manager is asked to do, and whether there is room for it is a separate question. A manager who has learned to spot early signs and hold a supportive conversation now has more to notice and more conversations to hold. If the week had no room before, the training does not create any. In OHA's framework, the Five Loads, this shows up first as emotional load, absorbing a team's stress, and as relational load, coordination that fills the calendar.

The WHO does not present manager training as the whole answer. The same fact sheet recommends organizational interventions, which assess workplace risks to mental health and then mitigate, modify or remove them. Training and assessment sit side by side in the guidance. A remeasure of manager load is one way to keep the second going once the first has been delivered.

It also gives you an answer when someone asks what the training budget changed. A satisfaction score from the room tells you whether managers valued the day. A before-and-after reading of their load tells you whether anything in their week moved.

Five Loads quick check · 1 minute

Find the load consuming your team's capacity.

Five statements, about a minute. See all five loads side by side. Answer for your own week, or for the managers in the cohort you are about to train. These five statements are your baseline, and the same five are your remeasure.

Statement 1 of 5

I absorb the stress or emotions of others in my role.

How do you measure manager load before and after training?

Measure the same five loads twice, with the same statements: once before the cohort starts and again about 90 days later. Ninety days is the length of OHA's Capacity Circle™, long enough for a change to a calendar or an approval path to show, and close enough to the training that you can still connect the two. For the team-level version of this reading, see what a capacity diagnostic measures.

Read the result load by load, not as one score. A drop in emotional load with administrative load unchanged tells you something different from a flat reading across the board. A load that did not move shows where the training did not reach, and where the next structural change belongs.

If you roll the training out in waves, the waves not yet trained give you a comparison group for the same statements.

What should HR do before the next cohort is trained?

Take the baseline first, and keep the training as planned. A few weeks before the cohort starts, have the managers answer the five statements and note which load reads highest.

Then pair the training with one structural change that matches that load. If administrative load leads, remove or reassign one report or approval a manager carries. If relational load leads, write down who decides what, so fewer decisions wait on one person. If emotional load leads, protect a recurring slot for one-on-ones, so a supportive conversation has a place in the week.

Fix the remeasure date at the start and tell the managers what you will measure and why. Ask about their own load as well as their team's: manager burnout compounds quietly, and the manager who has just been trained to notice distress in others is often the last to notice it in themselves.

What OHA does about this

OHA's Capacity Diagnostic is built to measure the five loads across your managers and teams before a training cohort starts, and to measure them again at 90 days with the same instrument. The work in between is designed around the load the diagnostic names, and it sits alongside the programmes you already run. If you are planning the next cohort, book a Capacity Diagnostic first and set the baseline.

Book a Capacity Diagnostic

Sources

  1. Occupational and Environmental Medicine (BMJ), Effectiveness of training workplace managers to understand and support the..., 2018 (systematic review and meta-analysis).
  2. World Health Organization, Mental health at work (fact sheet), 15 September 2026.
  3. Mental Health Commission of Canada (Opening Minds), The Working Mind, n.d..
  4. Mental Health Commission of Canada (Opening Minds), Opening Minds, n.d..
  5. Scandinavian Journal of Work, Environment & Health, Effectiveness of leader-targeted stress management interventions, 2025 (systematic review and meta-analysis).