Media release

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Prescription co-payments linked to more hospital admissions, study finds

A new study from researchers at Te Herenga Waka—Victoria University of Wellington cautions that bringing back the $5 co-payment for prescription medicines could see a jump in hospital admissions.

The study analysed health data for 71,502 people and found those who didn’t pick up a prescription because they couldn’t afford the $5 fee had a 34 percent higher rate of being admitted to hospital. Data were from New Zealand Health Surveys* run between 2014 and 2019.

“Nearly 6,000 people in the sample reported not picking up a prescription in the previous 12 months because they couldn’t afford the $5 co-payment. Our analysis found people in this group were more likely to end up in hospital,” says lead author Dr Mona Jeffreys.

Among those who couldn’t afford the $5 charge, 60 percent were admitted to hospital during the study period, compared with 43 percent of those who were able to pay the fee.

“The cost of one night in hospital is about $1,200 and the average length per stay is three nights, so there are potentially huge cost savings if admissions can be avoided. We conservatively estimate $32.4 million a year could be saved if these extra hospitalisations did not have to happen,” says Dr Jeffreys.

The study’s findings mirror those of other research that suggest free prescriptions reduce hospitalisation rates.

“There are obviously a range of factors that lead to hospital admissions. However, our research, and the results of other studies, show there is likely to be a strong link between people’s inability to afford prescription medicines and a higher rate of hospitalisation.

“Given this, the current zero fees policy should be retained. Any change to reintroduce prescription co-payments could lead to more hospital admissions, increasing costs to hospitals, and adversely affect people’s health as well as health equity,” says Dr Jeffreys.

The $5 prescription co-payment was removed on 1 July 2023. Prior to the 2023 election, the National Party announced it intended to reintroduce the co-payment, although the fee would not be charged to everyone.

Press release from Te Herenga Waka - Victoria University of Wellington.