| From pre- to early pregnancy | From early to mid-pregnancy | ||||||
---|---|---|---|---|---|---|---|---|
Quartiles | Crude model | Multivariable modela | Crude model | Multivariable modela | ||||
 | β | 95% CI | β | 95% CI | β | 95% CI | β | 95% CI |
Fruitb | ||||||||
 Continues | 15.5 | 10.9–20.2 | 16.9 | 12.0–21.7 | 9.9 | 5.2–14.6 | 10.3 | 5.5–15.1 |
Categorical | ||||||||
 First quartile | Reference |  | Reference |  | Reference |  | Reference |  |
 Second quartile | 12.3 | −2.5–27.1 | 14.3 | −0.8–29.4 | 4.4 | −10.4–19.2 | 7.7 | −7.3–22.7 |
 Third quartile | 33.6 | 18.8–48.4 | 36.5 | 21.3–51.8 | 13.8 | −1.0–28.6 | 16.6 | 1.6–31.7 |
 Fourth quartile | 44.7 | 29.9–59.4 | 49.4 | 34.1–64.7 | 29.9 | 15.1–44.7 | 32.3 | 17.1–47.6 |
P for trend | <  0.001 |  | <  0.001 |  | <  0.001 |  | <  0.001 |  |
Vegetablesb | ||||||||
 Continues | 0.6 | −4.1–5.2 | −4.4 | −9.6–0.7 | 2.1 | −2.6–6.8 | −0.1 | −5.2–5.0 |
Categorical | ||||||||
 First quartile | Reference |  | Reference |  | Reference |  | Reference |  |
 Second quartile | 3.7 | −11.1–18.5 | −2.3 | −17.7–13.0 | −4.0 | − 18.8–10.8 | − 2.5 | −17.7–12.7 |
 Third quartile | 2.0 | −12.8–16.8 | −8.7 | −24.5–7.1 | 4.6 | −10.2–19.4 | 4.8 | −10.8–20.4 |
 Fourth quartile | 2.5 | −12.3–17.2 | − 12.5 | −28.8–3.7 | 4.1 | −10.7–18.9 | −3.2 | − 19.4–12.9 |
P for trend | 0.81 | Â | 0.09 | Â | 0.38 | Â | 0.97 | Â |