Some interesting findings include: having a baby with your spouse can decrease your chances of divorce by as much as 76 percent compared to couples who do not have children.

And even having children out of wedlock still reduces the long-term chances of divorce, according to the study.

It seems that education difference matters more for women than men when it comes to marriage success.

Women are 50 percent more likely to end up divorced when there is an education difference versus men at only 32 percent more likely.

However, as Mr Olson notes, it is important to keep in mind that these predictors are simply correlated to marriage stability, 'and they could be telling us any number of things,' he explained.

'Either people in stabler marriages are more likely to have kids in wedlock, or people in less stable (unhappy) marriages tend not to have kids.

'Keep an open mind when thinking about what could really be driving these correlations with marriage stability,' said Mr Olson.

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