Table 3 Associations between specific dietary and physical activity variables and the odds of preterm birth
n | OR (CI) | p valuea | |
|---|---|---|---|
Energy and macronutrient intake | |||
Energy intake (per 100 kcal/day) | 1584 | 1.00 (0.97 – 1.04) | 0.940 |
E% fat (per 10 E%/day) | 1584 | 0.80 (0.57 – 1.11) | 0.175 |
E% saturated fat (per 10 E%/day) | 1584 | 0.74 (0.40 – 1.38) | 0.345 |
E% protein (per 10 E%/day) | 1584 | 0.47 (0.24 – 0.93) | 0.030 |
E% carbohydrates (per 10 E%/day) | 1584 | 1.27 (0.98 – 1.64) | 0.071 |
Saccharose (per 10 g/day) | 1584 | 1.06 (0.98 – 1.12) | 0.062 |
Fibre (per 10 g/day) | 1584 | 0.93 (0.76 – 1.15) | 0.511 |
Alcohol (per g/day) | 1584 | 1.06 (0.99 – 1.14) | 0.097 |
Caffeine (100 mg/day) | 1582 | 1.05 (0.82 – 1.33) | 0.710 |
Food intake | |||
Soft drinks (200 ml/day) | 1737 | 1.01 (0.95 – 1.07) | 0.843 |
Sweets and snacks (50 g/day) | 1738 | 0.95 (0.79 – 1.15) | 0.628 |
Fast food (250 g/day) | 1737 | 1.04 (0.27 – 4.00) | 0.961 |
Meat and meat products (150 g/day) | 1737 | 0.79 (0.45 – 1.38) | 0.408 |
Fish (90 g/day) | 1737 | 0.61 (0.14 – 2.62) | 0.508 |
Dairy products (200 g/day) | 1738 | 0.86 (0.73 – 1.02) | 0.078 |
Cheese (30 g/day) | 1734 | 0.82 (0.64 – 1.05) | 0.108 |
Eggs (60 g/day) | 1727 | 0.49 (0.19 – 1.26) | 0.138 |
Cereals (50 g/day) | 1738 | 0.71 (0.59 – 0.85) | < 0.001 |
Nuts (25 g/day) | 1734 | 0.54 (0.16 – 1.80) | 0.313 |
Fruits (150 g/day) | 1737 | 1.05 (0.97 – 1.14) | 0.234 |
Vegetables (150 g/day) | 1736 | 0.75 (0.59 – 0.96) | 0.023 |
Vegetarian | 1727 | 0.66 (0.26 – 1.65) | 0.372 |
Physical activityb | |||
Total PA | 1738 | 1.02 (0.70 – 1.49) | 0.924 |
Household PA | 1738 | 0.98 (0.94 – 1.02) | 0.333 |
Occupational PA | 1330 | 1.00 (0.99 – 1.00) | 0.694 |
Sports | 1738 | 0.92 (0.74 – 1.14) | 0.447 |
Transportation PA | 1738 | 0.94 (0.80 – 1.11) | 0.462 |
Inactivity | 1728 | 1.07 (0.94 – 1.23) | 0.287 |