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Table 1 Odds Ratios (95% Confidence Interval) for squamous cell carcinoma of the head and neck (SCCHN) according to the collected variables.

From: A case-control study on the combined effects of p53 and p73 polymorphisms on head and neck cancer risk in an Italian population

  283 Cases 295 Controls OR° (95% CI)
  n (%) n (%)  
Age (years ± SD) 63.3 ± 11.2 63.5 ± 13.1 -
Male gender 234 (82.7) 177 (60.0) 0.85 (0.50 – 1.42)
Alcohol drinkers    
   0 g/day 59 (20.9) 146 (49.7) 1*
   1–30 g/day 119 (42.2) 141 (48.0) 1.58 (0.98 – 2.52)
   > 31 g/day 104 (36.88) 7 (2.38) 18.56 (7.26 – 47.44)
Pack-years of smoking    
   0 58 (18.5) 179 (62.0) 1*
   1–24 67 (23.8) 66 (22.8) 2.97 (1.72 – 5.12)
   > 24 162 (57.7) 44 (15.2) 8.23 (4.73 – 14.32)
Fruit and vegetables intake    
   ≥ 2 portions/day 116 (41.1) 198 (69.5) 1*
   < 2 portion/day 166 (58.9) 87 (30.5) 2.70 (1.73 – 4.21)
Physical activity    
   ≥ 2 times/week 15 (5.5) 30 (10.2) 1*
   < 2 time/week 259 (94.5) 263 (89.8) 1.56 (0.68 – 3.57)
Family history of cancer    
   No 137 (62.0) 232 (81.4) 1*
   Yes 84 (38.0) 53 (18.6) 2.42 (1.42 – 4.13)
  1. * Reference group
  2. ° Odds Ratio (OR) adjusted for gender, alcohol, pack-years, physical activity and fruit and vegetables intake