BMI group | FA supplement OR (95 % CI) | ||||||
---|---|---|---|---|---|---|---|
No | Yes | 1st trimester | Preconception | ||||
Normal | ref | 0.60 | (0.57,0.63) | 0.65 | (0.61,0.69) | 0.58 | (0.55,0.62) |
Underweight | ref | 0.57 | (0.51,0.64) | 0.60 | (0.52,0.69) | 0.56 | (0.49,0.63) |
Overweight | ref | 0.85 | (0.73,0.98) | 0.65 | (0.53,0.79) | 0.94 | (0.80,1.10) |
Obesity | ref | 0.77 | (0.65,0.91) | 0.60 | (0.37,0.97) | 1.15 | (0.81,1.64) |