Characteristics | Cases N = 278 n (%) | Controls N = 658 n (%) | Analysis 1 OR (95% CI)a | Analysis 2 OR (95% CI)b |
---|---|---|---|---|
Cigarette smoking | ||||
 Never | 162 (58.3) | 496 (75.4) | Reference | Reference |
 Ever | 116 (41.7) | 162 (24.6) | 1.63 (1.10–2.40) | 1.61 (1.05–2.46) |
Oral hygiene scorec | ||||
 0 (Good) | 27 (9.7) | 180 (27.4) | Reference | Reference |
 1 | 65 (23.4) | 219 (33.3) | 1.63 (0.98–2.70) | 1.44 (0.85–2.43) |
 2 | 118 (42.4) | 198 (30.1) | 2.88 (1.77–4.69) | 2.15 (1.28–3.62) |
 3 (Poor) | 60 (21.6) | 52 (7.9) | 4.60 (2.56–8.29) | 2.58 (1.37–4.86) |
 Unknown | 8 (2.9) | 9 (1.4) | – | – |
Vegetable consumption | ||||
 3 portions or less per week | 106 (38.1) | 100 (15.2) | Reference | Reference |
  > 3 portions per week | 172 (61.9) | 558 (84.8) | 0.29 (0.21–0.41) | 0.34 (0.24–0.49) |
Fruit consumption | ||||
 1 portion or less per day | 85 (30.6) | 143 (21.7) | Reference | Reference |
  > 1 portion per day | 193 (69.4) | 513 (78.0) | 0.71 (0.51–1.00) | 0.95 (0.80–1.13) |
 Unknown | 0 (0.0) | 2 (0.3) | – | – |
Allergy | ||||
 No | 227 (81.6) | 405 (61.6) | Reference | Reference |
 Yes | 51 (18.4) | 251 (38.1) | 0.46 (0.32–0.65) | 0.47 (0.32–0.69) |
 Unknown | 0 (0.0) | 2 (0.3) | – | – |
Diabetes mellitus/glucose intolerance (DM/GI) | ||||
 No DM/GI | 196 (70.5) | 602 (91.5) | Reference | Reference |
  < 2 years | 22 (7.9) | 16 (2.4) | 4.08 (2.01–8.25) | 3.04 (1.42–6.50) |
  > 2 years | 59 (21.2) | 39 (5.9) | 3.71 (2.36–5.87) | 2.84 (1.74–4.61) |
 Unknown | 1 (0.4) | 1 (0.2) | – | – |
BMI 2 years agod | ||||
  < 18.5 | 4 (1.4) | 36 (5.5) | 0.37 (0.12–1.09) | 0.38 (0.12–1.17) |
 18.5–23.9 | 102 (36.7) | 319 (48.5) | Reference | Reference |
 24–26.9 | 83 (29.9) | 191 (29.0) | 1.07 (0.75–1.53) | 0.99 (0.67–1.47) |
 27 or more | 87 (31.3) | 111 (16.9) | 2.09 (1.43–3.06) | 1.68 (1.11–2.54) |
 Unknown | 2 (0.7) | 1 (0.1) | – | – |