Table 3

Number and multivariate odds ratios for small for gestational age (SGA) for servings for each food group at the time of conception

Food groupSGAAGAMultivariate OR (95% CI)
Food groups are analysed according to servings a day, except for meat and fish which are analysed according to servings a week.
Fruitn  =  542n = 600p = 0.12, df = 4, χ2 = 7.27
0–0.751321041.49 (1.00 to 2.24)
>0.75–1.251071440.99 (0.67 to 1.47)
>1.25–2.01151171.44 (0.96 to 2.17)
>2.0–3.084961.23 (0.80 to 1.90)
>31041391
Vegetablesn = 539n = 598p = 0.32, df = 4, χ2 = 4.71
0–0.751381371.25 (0.79 to 1.97)
>0.75–1.2593811.58 (0.97 to 2.58)
>1.25–2.0871041.12 (0.70 to 1.80)
>2.0–3.01261901.40 (0.91 to 2.14)
>399861
Meatn = 533n = 598p  = 0.79, df = 4, χ2 = 1.71
0–260421.36 (0.80 to 2.29)
>2–41801931.07 (0.76 to 1.51)
>4–5851140.97 (0.64 to 1.45)
>5–671811.01 (0.65 to 1.56)
>61371681
Fishn = 529n = 592p  = 0.04, df = 2, χ2 = 6.68
None110841.69 (1.07–2.69)
Up to one3123821.09 (0.75 to 1.58)
More than one1071261
Dairy productsn = 533n = 597p  = 0.21, df = 4, χ2 = 5.83
0–1.25108921.13 (0.75 to 1.72)
>1.25–2.01151211.09 (0.73 to 1.62)
>2.0–3.01141520.81 (0.55 to 1.19)
>3.0–4.0701030.74 (0.48 to 1.14)
>4.01171251
Carbohydrate rich foodsn = 538n = 598p  = 0.04, df = 4, χ2 = 10.37
0–1.51541271.31 (0.88 to 1.97)
>1.5–2.251141091.22 (0.80 to 1.86)
>2.25–2.751051470.81 (0.54 to 1.23)
>2.75–3.5701080.77 (0.49 to 1.21)
>3.5961071
High carbohydrate snacks and soft drinksn = 538n = 597p = 0.35, df = 3, χ2 = 3.31
0–<11891971.27 (0.85 to 1.91)
1–<21721711.37 (0.91 to 2.06)
2–<31011321.06 (0.68 to 1.65)
⩾372971
Vitaminsn = 529n = 593p  = 0.09, df = 1, χ2 = 2.81
Yes1241730.78 (0.58 to 1.04)
No4054201
Folate supplementn = 503n = 573p = 0.02, df = 1, χ2 = 5.58
Yes1392200.70 (0.52 to 0.94)
No3493451
Iron supplementn = 497n = 562p = 0.81, df = 1, χ2 = 0.06
Yes98901.05 (0.73 to 1.50)
No3994721