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Negative Affectivity Linked to Alcohol Use During Pregnancy

THURSDAY, Oct. 17 (HealthDay News) -- Negative affectivity, a tendency to have negative emotions and views, is associated with light alcohol use and binge drinking during pregnancy, according to a study published online Oct. 16 in Acta Obstetricia et Gynecologica Scandinavica.

Kim Stene-Larsen, from the Norwegian Institute of Public Health in Oslo, and colleagues used data from the Norwegian Mother and Child Cohort study, representing 39 percent of the pregnant population, to assess whether maternal negative affectivity is associated with alcohol use during pregnancy. The Alcohol Use Disorder Identification Test-Consumption tool was used to measure light alcohol use (0.5 to two units one to four times per month) and binge drinking (an intake of five alcohol units or more).

The researchers found that for each unit increase in maternal negative affectivity, the odds of light alcohol use were significantly increased, by 27 percent in the first trimester and 28 percent in the second trimester. Each unit increase in maternal negative affectivity correlated with 55 percent higher odds of binge drinking in the first trimester and 114 percent higher odds in the second trimester.

"Negative affectivity is associated with both light alcohol use and binge drinking during pregnancy," the authors write. "The mechanisms mediating the relation between negative affectivity and alcohol use in pregnancy should be investigated further."

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