Post-deployment screening with tailored advice does not help reduce mental health disorders in UK Armed Forces

February 17, 2017, Lancet

Few Armed Forces personnel seek help for mental health disorders and novel approaches will be needed to encourage personnel at risk of PTSD, anxiety and alcohol abuse to seek treatment.

A trial testing a potential post-deployment screening programme for UK Armed Forces personnel, based on a computerised assessment and tailored advice, found it was not effective in reducing symptoms of mental health disorders or encouraging personnel to seek help, compared to the general mental health advice which is the standard of care in the UK military.

This type of screening was tested because it was deemed the most likely way that a UK screening programme could be introduced, because there are too few and resources to carry out face-to-face appraisals.

The trial, published in The Lancet, suggests that other approaches to encourage personnel with mental health disorders such as post-traumatic stress disorder (PTSD), anxiety, depression or alcohol abuse to seek help will be needed.

Between 2001 and 2014, the UK deployed more than 220550 Armed Forces personnel to the Afghanistan and Iraq conflicts. Among personnel who were deployed, an estimated 4% developed PTSD, 20% developed psychological distress and 16% developed alcohol misuse—similar rates to personnel who were not deployed. Personnel who were deployed in combat roles have higher rates of probable PTSD and alcohol misuse.

In the UK, mental health support and treatment for Armed Forces personnel consists of psychoeducational briefings, peer support programmes to assist with traumatic stress, decompression before returning home from deployment and clinical services comprising a mixture of uniformed and civilian healthcare professionals. However, approximately half of military personnel with a probable do not seek help. Additionally many delay seeking help or do not finish treatment.

Screening has therefore been proposed as a way to identify those at risk of mental health problems on return from deployment and prompt them to seek help. Various forms of post-deployment screening exist and are used in the US, Canada, Australia and the Netherlands.

In the study, led by King's Centre for Military Health Research at King's College London (UK), researchers aimed to assess the effectiveness of a particular type of screening. On return from deployment, all 10190 personnel involved in the trial were asked to complete a computerised mental health assessment.

Personnel in the screening group were then offered the opportunity to view tailored mental health advice based on their likelihood of having a mental health disorder. If they agreed, they were told what mental health issue they probably had, and were urged to seek help by speaking either to a unit welfare officer (for moderate symptoms), a medical officer (more severe symptoms), or told that no professional support was needed if no risk was identified. Personnel in the control group were offered the general mental health advice offered in the UK military—as they would have been if they had not undergone screening. They were told that there were many ways to seek help and were given examples of support provided. All participants were then followed up between 10 and 24 months later.

Two-thirds (65%; 3619/5577) of personnel who were offered tailored advice agreed to see it, while the remaining 35% declined. Higher ranks and older personnel were more likely to see the tailored advice, and personnel with probable PTSD, anxiety or depression were more likely to view it compared to people who did not have any mental health symptoms.

At follow-up, there were no significant differences between the two groups in terms of the prevalence of PTSD (11%), depression or anxiety (6%) and alcohol abuse (12%) (table 4). There was also no difference in the rate of health seeking or pharmaceutical use between the two groups, with 12% (496/3996) of personnel in the screening group using a mental health service in the follow-up period, compared to 13% (318/2369) in the control group (table 5).

At follow-up, about a third of personnel who had probable PTSD, depression or anxiety (excluding alcohol misuse) at the start of the study had sought mental health care over the past 12 months, with no difference between the control and screening groups (35.8% (53/148) in the control group vs. 32.9% (82/249) in the screening group) (appx p.5). Help-seeking behaviour among personnel with probable PTSD, depression or anxiety was similar irrespective of whether personnel chose to view the tailored advice or not.

"Different countries use different approaches to post-deployment screening and our study looked at one particular type of screening, as it was the form that was most likely to be introduced in the UK military. We found no evidence to support the idea that post deployment screening via a computerised assessment followed by tailored mental health advice helped improve the mental health of personnel over and above general mental health advice. Countries that have already introduced post-deployment screening are not able to assess effectiveness via a randomised controlled trial as they cannot generate a no-screening group, but they should consider monitoring the outcomes of their programmes," says lead author Professor Roberto Rona, King's College London.

The authors note that the findings from the trial may not be entirely generalizable to other screening programmes, because other programmes use approaches such as repeated assessments over time, or face-to-face interviews (as is the case in the US programme).

"Understandably, military forces are keen to protect the mental health of their personnel who carry out highly challenging duties on behalf of their countries. The question is what can be done to make a positive difference by protecting the mental health of personnel and decreasing the burden of mental illness on individuals, their families and UK society as a whole. More research is needed to improve the mental health of UK Armed Forces personnel and other approaches could include good leadership training, peer and family support programmes and further improving the quality and accessibility of military ," says co-author Professor Neil Greenberg, King's College London.

Writing in a linked Comment, Dr Alexander C McFarlane, University of Adelaide, Australia, notes that "a potential confounding issue with this study design is the fact that by filling in the self-report measures, both groups had the opportunity to reflect on their obvious levels of symptomatic distress... which might have minimised the ability to find differences between groups." He also highlights the importance of ensuring adequate care is available when personnel do seek help: "Even if an individual did present to mental health services in the UK military as part of (this) study, this did not guarantee that an evidence-based intervention was offered, even when a general practitioner was consulted."

Explore further: Australian-first trial offers faster treatment for PTSD

More information: The Lancet, … (16)32398-4/fulltext

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