The prevalence of concordant hypertension within couples was 37.9% in the U.S., 47.1% in England, 20.8% in China, and 19.8% in India.
Previous studies have examined the concordance of hypertension and other diseases in couples, but those were limited to a single country setting or based on small regional samples.
The researchers evaluated 3,989 couples in the U.S., 1,086 in England, 6,514 in China and 22,389 in India. After analyzing their blood pressures, the team found that the prevalence of high blood pressure in both spouses or partners was highest in England, followed by the U.S.
Although hypertension is more common in the U.S. and the U.K., the likelihood of a wife having blood pressure when married to a person with hypertension is more prevalent in China and India.
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