Table 5. Differences in the frequency of consumption of certain food items (divided in the first six food categories according to modified FFQ) by group with LPR symptoms at three measured times (Friedman's test post hoc Conover).
| Food | Median (interquartile range) | p | ||
|---|---|---|---|---|
| t/day | ||||
| 0 | 30 | 60 | ||
| Milk and dairy products | ||||
| Milk | 3 (2–5) | 2 (1–4) | 2 (0–3) | 0.01† |
| Fresh cottage cheese | 2 (1–3) | 2 (0–3) | 1 (0–2) | 0.005‡ |
| Cream (w(milk fat)=12 %) | 3 (1–4) | 2 (0–3) | 1 (0–3) | 0.009§ |
| Semi-hard and hard cheese | 2 (1–3) | 1 (1–2) | 1 (0–2) | 0.006§ |
| Cheese spread (w(milk fat)=30 %) | 2 (1–3) | 2 (1–3) | 1 (0–2) | 0.003‡ |
| Yogurt, acidophilus, kefir (w(milk fat)=2.8–3.2 %) | 3 (1–4) | 2 (1–3) | 1 (0–2) | 0.001‡ |
| Milk and dairy products with added sugar | ||||
| Cocoa/chocolate milk | 2 (0–2) | 1 (0–2) | 1 (0–1) | 0.02‡ |
| Fruit yogurt | 2 (1–3) | 2 (0–2) | 1 (0–2) | 0.02‡ |
| Cereals | ||||
| White bread (rolls and croissants) | 5 (3–5) | 3 (2–5) | 3 (0.5–4) | <0.001‡ |
| Rye/wholemeal bread (rolls and croissants) | 2 (0–3) | 3 (1.75–4) | 4 (3–5) | <0.001‡ |
| Polenta | 1 (0–1) | 1 (0–2) | 2 (1–3) | <0.001║ |
| Breakfast cereals | ||||
| Chocolate wheat flakes | 1 (0–2) | 2 (0–3) | 1 (0–2) | 0.006** |
| Cornflakes | 0 (0–2) | 1 (0–3) | 1.5 (0–2) | 0.02†† |
| Beverages | ||||
| Orange juice | 3 (2–4) | 2 (0–3) | 1 (0–2) | <0.001‡‡ |
| Other juices | 3 (2–4) | 1 (0–3) | 1 (0–2) | <0.001‡‡ |
| Fruit juice | 2 (1–3.75) | 1 (0–2.25) | 1 (0–2) | 0.007† |
| Sweet vitamin drink | 2 (1–3.75) | 1.5 (0–3) | 0 (0–2) | 0.005‡ |
| Ice tea | 2 (1–3) | 1 (0–2) | 0 (0–2) | <0.001† |
| Carbonated soft drinks | 3 (2–4) | 2 (0–4) | 1 (0–2.5) | <0.001‡‡ |
| Non-alcoholic drinks (sugar-free) | 4.5 (3–5) | 5 (4–6) | 6 (5–7) | <0.001‡‡ |
| Fruit syrup (syrup concentrate) | 2 (1–3) | 2 (0–3) | 1 (0–2) | 0.002‡ |
| Fruit | ||||
| Apple or pear | 3 (2–4) | 2 (0–3) | 2 (0–2) | <0.001‡‡ |
| Orange, grapefruit, tangerine | 3 (1.25–4) | 1 (0–2) | 0 (0–1) | <0.001‡‡ |
| Banana | 2 (1–3) | 3 (1–4) | 3 (2–4) | <0.001‡‡ |
| Melon, watermelon | 1 (0–1) | 2 (0–3) | 2 (1–3) | <0.001‡‡ |
| Grape | 2 (1–3) | 1 (0–3) | 0 (0–1.5) | <0.001‡‡ |
| Pineapple | 0 (0–1) | 1 (0–2) | 1 (0–1.25) | 0.009* |
†significantly most consumed at t=0 day, ‡significantly least consumed after t=60 day, §significantly less consumed after t=60 day than at t=0 day, *significantly least consumed at t=0 day, **significantly more consumed after t=30 day than after t=60 day, ††significantly less consumed at t=0 day than after t=30 day, ‡‡frequency of consumption is significantly different between all measurements, p<0.05