Americans over 30 have been drinking more during the coronavirus pandemic, research shows

 A customer gets rung out at Friendly Discount liquor store in Westbrook on Wednesday, April 22, 2020.

(CNN)Americans over 30 have been drinking more during the coronavirus pandemic compared to this time last year, and there could be consequences to their physical and mental health, researchers reported Tuesday.

Overall frequency of alcohol consumption increased by about 14% from 2019, the researchers reported in the journal JAMA Network Open. That increase averages out to about one additional drinking day per month by 75% of adults.
RAND Corporation sociologist Michael Pollard and colleagues analyzed a nationally representative sample of 1,540 people ages 30 to 80. The participants completed a survey about their drinking habits between April 29 and June 9 of 2019 and then again between May 28 and June 16 of 2020.
    The volunteers reported they drank alcohol on more days every week. They also reported increases in the number of drinks they had; the number of heavy drinking days; and the number of alcoho