Table 2 Reported mean (SD) intake of nutrient content, diet composition, intake occasions and food frequency in all participants and categorized into a Caries group (2–4 approximal caries surfaces) and a High caries group (≥ 5 approximal caries surfaces), compared with the recommended daily intake, data for adults in the Nordic Nutritional Recommendations 2012 (NNR) and Riksmaten Adolescents 2016–17
|  | NNR range | Riksmaten (n = 1000) mean (SD) | Total group (n = 50) mean (SD) | p value | Caries group (n = 25) mean (SD) | High caries group (n = 25) mean (SD) | p value |
|---|---|---|---|---|---|---|---|
Energy, kcal | – | 2 293 (573) | 1854 (376) |  < 0.001 | 1832 (273) | 1875 (462) | 0.639 |
Fiber, g | 25–35 | 20 (7) | 16 (5) |  < 0.001 | 15 (5) | 16 (5) | 0.587 |
Diet composition, E% | |||||||
 Total fat | 25–40 | 36 (4) | 36 (7) | 0.5199 | 36 (7) | 35 (8) | 0.759 |
 Protein | 10–20 | 17 (4) | 17 (5) | 0.5199 | 17 (5) | 16 (5) | 0.455 |
 Carbohydrates | 45–60 | 45 (6) | 47 (9) | 0.9505 | 46 (9) | 48 (10) | 0.562 |
 SFA |  < 10 | 14 (2) | 14 (3) | 0.5199 | 14 (3) | 13 (3) | 0.350 |
 MUFA | 10–20 | 14 (2) | 13 (5) | 0.9265 | 13 (4) | 14 (5) | 0.524 |
 PUFA | 5–10 | 5 (1) | 4 (1) |  < 0.001 | 4 (1) | 4 (1) | 0.389 |
 Sucrose |  < 10 | 9 (3) | 9 (6) | 0.5199 | 8 (4) | 10 (7) | 0.467 |
 Alcohol |  < 5 | – | 0 (1) |  | 0 (1) | 0 (1) | 0.986 |
Intake occasions, n | |||||||
 Main meals | – | – | 2.4 (0.5) |  | 2.5 (0.4) | 2.4 (0.7) | 0.570 |
 Snacks | – | – | 2.5 (1.5) |  | 2.0 (0.9) | 3.2 (1.8) | 0.003a |
 Total meal intake | – | – | 5.0 (1.5) |  | 4.5 (1.0) | 5.6 (1.8) | 0.033a |
Food frequency, n | |||||||
 Sweet drinks | – | – | 1.6 (1.1) |  | 1.5 (1.1) | 1.7 (1.1) | 0.286 |
 Light drinks | – | – | 0.5 (0.6) |  | 0.5 (0.7) | 0.5 (0.5) | 0.349 |
 Vegetables | – | – | 0.8 (0.6) |  | 0.7 (0.6) | 0.8 (0.7) | 0.732 |
 Fruits | – | – | 0.6 (0.6) |  | 0.4 (0.5) | 0.8 (0.6) | 0.019a |
 Sweets and snacks | – | – | 1.1 (1.4) |  | 0.9 (0.9) | 1.3 (1.7) | 0.678 |