Table 3.

Average alcohol consumption (i.e., mean drinks per drinking day) during the preconception and pre- and post-pregnancy recognition periods by pregnancy planning.

Mean drinks per drinking day	Planning pregnancy Mean (SD, range)	Not planning pregnancy Mean (SD, range)	p-value
Preconception (n=825)	1.98 (1.12)	2.74 (1.93)	<0.001
Pre-pregnancy recognition (n=520)	2.21 (1.50)	2.65 (1.92)	0.006
Post-pregnancy recognition (n=190)	1.07 (0.32)	1.16 (0.40)	0.449

Note: Frequencies may vary due to missing cases.