In unadjusted models , there was a significant effect of intervention exposure on belief in the importance of visiting a health care provider to be a healthy new mother ( OR 1.52 , 95 % CI 1.01-2 .31 , P = .046 ) and in the health risks of alcohol during pregnancy ( OR 2.06 , 95 % CI 1.00-4 .31 , P = .05 ) .