Table 4.
Association between dietary pattern and clinical pregnancy among the 140 Japanese women who participated in the IVF study
| Clinical pregnancy/total (n) | Clinical pregnancya | |||||
|---|---|---|---|---|---|---|
| Rate (%) | Crude | Adjustedb | ||||
| OR | 95% CI | OR | 95% CI | |||
| Factor 1: Vegetables and seafood | ||||||
| Q1 | 12/35 | 34.3 | 1.00 | Reference | 1.00 | Reference |
| Q2 | 7/35 | 20.0 | 0.48 | (0.16‐1.42) | 0.46 | (0.14‐1.53) |
| Q3 | 6/35 | 17.1 | 0.40 | (0.13‐1.22) | 0.42 | (0.13‐1.43) |
| Q4 | 11/35 | 31.4 | 0.88 | (0.32‐2.38) | 0.90 | (0.30‐2.69) |
| OR per 1‐category increasec | 0.94 | (0.67‐1.32) | 0.97 | (0.67‐1.39) | ||
| P for trend | 0.73 | 0.85 | ||||
| Factor 2: Western | ||||||
| Q1 | 8/35 | 22.9 | 1.00 | Reference | 1.00 | Reference |
| Q2 | 11/35 | 31.4 | 1.55 | (0.53‐4.48) | 1.90 | (0.58‐6.24) |
| Q3 | 11/35 | 34.4 | 1.55 | (0.53‐4.48) | 1.38 | (0.41‐4.61) |
| Q4 | 6/35 | 17.1 | 0.70 | (0.21‐2.28) | 0.84 | (0.23‐3.11) |
| OR per 1‐category increase c | 0.91 | (0.65‐1.28) | 0.92 | (0.63‐1.36) | ||
| P for trend | 0.60 | 0.69 | ||||
| Factor 3: Rice and miso soup | ||||||
| Q1 | 6/35 | 17.1 | 1.00 | Reference | 1.00 | Reference |
| Q2 | 13/35 | 37.1 | 2.86 | (0.94‐8.71) | 1.78 | (0.53‐5.94) |
| Q3 | 12/35 | 34.3 | 2.52 | (0.82‐7.75) | 1.98 | (0.58‐6.77) |
| Q4 | 5/35 | 14.3 | 0.81 | (0.22‐2.93) | 0.72 | (0.18‐2.93) |
| OR per 1‐category increase c | 0.94 | (0.67‐1.32) | 0.94 | (0.63‐1.40) | ||
| P for trend | 0.73 | 0.74 | ||||
a
All values are mean and 95% CIs in parentheses.
b
Adjusted for age, BMI, parity, education, smoking experience (yes or no), alcohol drinker (yes or no), and folate supplement use (yes or no).
c
Values are ORs and 95% CIs in parentheses, indicating the change in one category of dietary pattern.