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Pay hike can reduce smoking rates: Study

Scientists have found a unique way to help employers reduce smoking rates: raising wages!

Los Angeles: Scientists have found a unique way to help employers reduce smoking rates: raising wages!

A new US study has found that a 10 per cent increase in wages leads to about a 5 per cent drop in smoking rates among workers who are male or who have high school educations or less and improves their overall chances of quitting smoking from 17 to 20 per cent.

"Our findings are especially important as inflation-adjusted wages for low-income jobs have been dropping for decades and the percentage of workers in low-paying jobs has been growing nationwide," said study senior author Paul Leigh, professor of public health sciences and researcher with the Centre for Healthcare Policy and Research at University of California - Davis Health System.

"Increasing the minimum wage could have a big impact on a significant health threat," said Leigh.

Leigh and lead author Juan Du, who received her doctoral degree at UC Davis, evaluated data on wages, smoking status and state of residence for full-time employees aged 21 to 65 years from the 1999 to 2009 Panel Study of Income Dynamics.

They excluded those under 21, since wage variation is small for this age group. They also excluded those who never smoked, as the goal was to evaluate influences on quitting rather than starting smoking.

"We assume that people begin smoking for reasons other than wages," said Leigh.

"About 90 per cent of smokers in the US started smoking before age 20, so the data captured a sample of most full-time workers who have ever smoked," he said.

Changes in the "treatment," which in this case was wages, were measured for each year and then compared to smoking rates in the subsequent year, revealing the role of wage increases on reducing smoking among men and the less educated.

Smoking prevalence was lower overall in states with higher minimum wages, researchers said.

They also found that smoking rates for women were not influenced by wages, and that smoking rates for men were not influenced by additional household income.

They speculate that men may be more apt to tie self-worth to pay, increasing the likelihood of risky health behaviours among men in lower-paying jobs.

"Our findings add to the existing body of epidemiological literature showing that lower income predicts poor health habits. They also show that higher minimum wages could reduce the prevalence of smoking," Leigh said.

The study was published in the journal Annals of Epidemiology.

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