People with psychosis and low levels of physical activity, and men with psychosis are over two times more likely to miss global activity targets compared to people without the illness.

The large international study that came to this conclusion was led by King's College London and the South London and Maudsley NHS Foundation Trust.

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The study of more than 200,000 people in nearly 50 countries also offers important insights into the barriers that prevent people with psychosis from engaging in regular physical activity. This data will inform interventions aimed at helping people with psychosis to be more active and ultimately, to improve their mental and physical health.

Psychosis refers to an abnormal condition of the mind described as involving a "loss of contact with reality." People with psychosis are described as psychotic.

Psychotics die up to 15 years before the general population, largely due to cardiovascular disease. A number of small studies have suggested psychotics tend to engage in low levels of physical activity.

The World Health Organization (WHO) recommends that adults aged 18-64 should do at least 150 minutes of moderate-intensity physical activity throughout the week, including walking, cycling, household chores or sport.

Physical inactivity is the fourth leading cause of avoidable death and is as harmful as smoking, said WHO.

Researchers from King's sought to examine if psychotics meet WHO's recommended levels of physical activity.

In their study published in Schizophrenia Bulletin, researchers collected data from the World Health Survey comprising over 200,000 people aged 18-64 from nearly 50 low-and-middle-income countries.

These individuals, who were living in their local communities at the time of the study, were divided into three groups: people with a diagnosis of psychosis; those with psychotic symptoms but no diagnosis and a control group (of people with no diagnosis of psychosis and no symptoms in the past 12 months).

The participants were interviewed to ascertain who had/had not met recommended levels of physical activity.

Overall, people with psychosis were 36 per cent more likely not to meet the recommended physical activity levels compared to controls. When researchers looked at men only, those with psychosis were over two times more likely not to meet the recommended levels compared to people in the control sample.

When examining potential barriers to physical activity, researchers found that mobility difficulties, pain, depression and cognitive impairment explained low levels of physical activity in people with psychosis.

These insights will be used to guide the Walk this Way study at King's College London funded and led by the NIHR Collaboration for Leadership in Applied Health Research and Care (CLAHRC) South London.

Tagspsychosis, Physical activity, King's College London, Psychotics