People with Happy Spouses may Live Longer: Study
For up to 8 years, participants and their spouses reported on life satisfaction and various factors hypothesized to be related to mortality.
Image for representational purpose only (Photo courtesy: Reuters)
Having a happy spouse not only leads to a longer marriage, but may also be key to a longer life, a study claims. The study, published in the journal Psychological Science, shows that spousal life satisfaction was associated with mortality, regardless of individuals' socioeconomic or physical health status.
Spouses' life satisfaction was an even better predictor of participants' mortality than participants' own life satisfaction. Participants who had a happy partner at the beginning of the study were less likely to pass away over the next 8 years compared with participants who had less happy partners.
"The findings underscore the role of individuals' immediate social environment in their health outcomes. Most importantly, it has the potential to extend our understanding of what makes up individuals' 'social environment' by including the personality and well-being of individuals' close ones," said Olga Stavrova, a researcher at Tilburg University in the Netherlands.
Life satisfaction is known to be associated with behaviours that can affect health, including diet and exercise, and people who have a happy, active spouse, for example, are likely to have an active lifestyle themselves.
The opposite is also likely to be true, said Stavrova.
"If your partner is depressed and wants to spend the evening eating chips in front of the TV -- that's how your evening will probably end up looking, as well," she said.
Stavrova examined data from about 4,400 couples in the US who were over the age of 50. The survey collected data on participants who had spouses or live-in partners; 99 per cent of the sampled couples were heterosexual.
For up to 8 years, participants and their spouses reported on life satisfaction and various factors hypothesized to be related to mortality, including perceived partner support and frequency of physical activity.
They also completed a self-rated health measure and provided information related to their morbidity (as measured by number of doctor-diagnosed chronic conditions), gender, age at the beginning of the study, ethnicity, education, household income, and partner mortality.
At the end of 8 years, about 16 per cent of participants had died. Those who died tended to be older, male, less educated, less wealthy, less physically active, and in poorer health than those who were still alive.
Those who died also tended to report lower relationship satisfaction, lower life satisfaction, and having a partner who also reported lower life satisfaction.
The spouses of participants who died were also more likely to pass away within the 8-year observation period than were spouses of participants who were still living.
The findings suggest that greater partner life satisfaction at the beginning of the study was associated with lower participant mortality risk.
Specifically, the risk of mortality for participants with a happy spouse increased more slowly than mortality risk for participants with an unhappy spouse.
The association between partner life satisfaction and mortality risk held even after accounting for major sociodemographic variables, self-rated health and morbidity, and partner mortality.
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