Table 3.

Folic acid supplementation (total mg) purchased by mothers for the 12-month period to birth of child, for those with at least one purchase of FA and excluding outliers (p<0.001)

Parity	n	Median (IQR)	Ajdusted mean* (SD)
Nulliparous	199 664	120 (48–240)	251 (9)
1	149 197	90 (39–202)	195 (9)
2	70 499	84 (36–182)	132 (7)
≥3	45 749	75 (36–165)	117 (6)

*Adjusted for age of mother at birth of the child, socioeconomic status and year of birth of the child after log transformation of original values.

FA, folic acid.