Table 6.

Logistic regression analysis, using ‘no alcohol’ category subdivisions

MACP	ASD cases	Model A	Model B	Model C	Model D	Model E
Never drinks alcohol (teetotal)	34	Ref.	Ref.	Ref.	Ref.	Ref.
Drinks alcohol but gave up during pregnancy	112	1.14 (0.75, 1.74)	1.17 (0.72, 1.89)	0.95 (0.61, 1.48)	1.16 (0.7, 1.92)	1 (0.58, 1.74)
Light	44	0.79 (0.47, 1.34)	0.81 (0.44, 1.49)	0.77 (0.43, 1.38)	0.8 (0.43, 1.48)	0.79 (0.4, 1.56)
Moderate	9	0.86 (0.35, 2.14)	1.05 (0.37, 2.96)	0.77 (0.28, 2.13)	0.89 (0.32, 2.51)	0.89 (0.31, 2.6)
Heavy	6	1.33 (0.49, 3.6)	1.74 (0.56, 5.45)	1.1 (0.4, 3.06)	1.6 (0.56, 4.61)	1.55 (0.52, 4.59)

“Never drinks alcohol (teetotal)” group as reference group

Model A (crude analysis)

Model B (parental age): maternal age, paternal age

Model C (socioeconomic/demographic factors): household income, maternal education, social deprivation, ethnicity, marital status

Model D (maternal health factors): maternal smoking, BMI, hypertension, diabetes, depression treatment

Model E (combined): household income, ethnicity, maternal smoking, BMI