Opinion: Floods leave a legacy of mental health problems — and disadvantaged people are often hardest hit
The following opinion piece authored by Dr Sabrina Pit from the School of Medicine was first published with full links on The Conversation (opens in a new window).
Yet again, large swathes of New South Wales are underwater. A week of solid rain has led to floods in the Mid-North Coast, Sydney and the Central Coast, with several areas being evacuated as I write.
As a resident of the NSW Far North Coast, which has had its share of devastating floods, many of the tense scenes on the news are sadly familiar.
Unless you have lived through it, it is hard to understand just how stressful a catastrophic flood can be in the moment of crisis. As research evidence shows, the long term impact on mental health can also be profound. And often it is the most disadvantaged populations that are hardest hit.
Disaster risk and disadvantage
In many places, socio-economic disadvantage and flood risk go hand in hand.
In a study published last year, colleagues and I showed that after Cyclone Debbie in 2017, people living in the Lismore town centre flood footprint experienced significantly higher levels of social vulnerability (when compared to the already highly vulnerable regional population).
Notably, over 80% of people in the 2017 Lismore town centre flood-affected area were living in the lowest socio-economic neighbourhoods. The flood-affected areas of Murwillumbah and Lismore regions included 47% and 60% of residents in the most disadvantaged quintile neighbourhoods.
By examining data from the 45 and Up study, we also showed that participants living in the Lismore town centre flood footprint had significantly higher rates of smoking and alcohol consumption. They were also more likely to have pre-existing mental health conditions such as depression and anxiety, as well as poorer general health.
Research from Germany and the US has shown flood risk is often a significant predictor of lower rental and sale prices.
So even before disaster strikes, residents in flood-prone areas may be more likely to battle with financial and health issues. Our study showed disaster affected people also had the fewest resources to recover effectively. When floods arrive, the impact on mental health, in particular, can be acute.
Floods and mental health
A flood can be extremely stressful in the moment, as one rushes to protect people, property, pets and animals and worries about the damage that may follow. Can you imagine clinging to a rooftop in the rain in the middle of the night and waiting to be rescued?
The damage caused by floods causes enormous financial pain, and can lead to housing vulnerabilities and homelessness, especially for those without insurance — and research reveals a pattern of underinsurance in disadvantaged populations across Australia.
Even if you are lucky enough to have insurance, waiting to have your claim assessed and approved, then dealing with a shortage of tradies can take a real toll on your mental health. The waiting and the uncertainty can be especially hard.
Research by colleagues and I showed business owners whose homes and businesses had flooded were almost 6.5 times more likely to report depressive symptoms. Business owners with insurance disputes were four times more likely to report probable depression.
Flood affected business owners whose income didn’t return to normal within six months were also almost three times more likely to report symptoms of depression.
Lack of income can clearly cause stress for the individual, their family and their larger network. Small businesses play an important role in rural communities and employ a large number of people so the sustainability of local businesses is crucial.
We also found the higher the floodwater was in a person’s business, the more likely the person was to experience depressive symptoms.
People whose business had water above head height in their entire business were four times more likely to report depressive symptoms. Those who had water between knee and head height in their business were almost three times more likely to report probable depression. All this adds up to an increase in mental health issues that often follows a flood.
Six months after the flooding, business owners felt most supported by their local community such as volunteers and neighbours. However, those that felt their needs were not met by the state government and insurance companies were almost three times more likely to report symptoms of depression.
Preparedness and awareness
So, what can be done?
Firstly, we can boost preparedness. Risk and preparedness education may be especially needed for people who have recently moved to flood-prone regions. Many who have moved to regional areas recently may not be aware they live in a flood zone, or understand how fast waters can move and how high they can reach. Education is needed to raise awareness about the dangers. People may need help to prepare a flood plan and know when to leave.
Secondly, supporting people and local businesses after a disaster and assisting the local economy in its recovery could help reduce the mental health burden on people and the business community.
Thirdly, mental health services must be provided. A chaplaincy program was implemented in Lismore by the local government to assist business owners with emotional and psychological support after Cyclone Debbie and ensuing floods. This program was largely well received by business owners for having provided psychological support and raising mental health awareness.
However, the ongoing lack of mental health support remains an issue, especially in rural areas, and is exacerbated by disasters.
Fourthly, insurance disputes and rejection of insurance claims were among the strongest associations with likely depression in our research. We must find ways to improve the insurance process including making it more affordable, improving communication, by making claims easier and faster and boosting people’s understanding of what’s included and excluded from their policy.
No single organisation, government or department can solve these complex problems on their own. Strong partnerships between organisations are crucial and have been shown to work, as is direct and real-time support for flood-affected people.
This story is part of a series The Conversation is running on the nexus between disaster, disadvantage and resilience. You can read the rest of the stories here (opens in a new window).
22 March 2021
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