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Table 4 Odds ratio and its corresponding 95% confidence intervals of having breast cancer by eating different food

From: Relationship between Chinese medicine dietary patterns and the incidence of breast cancer in Chinese women in Hong Kong: a retrospective cross-sectional survey

  Controls N = 202 Cases N = 202 OR 95% CI P value
Shrimp
 Average 84 73 1.00 Reference  
 Much preferred 13 44 3.90 1.95–7.79 <0.001 *
 Preferred 53 60 1.30 0.80–2.12 0.285
 Not preferred 38 19 0.58 0.31–1.08 0.086
 Not preferred much 14 5 0.41 0.14–1.20 0.094
Shellfish
 Average 97 73 1.00 Reference  
 Much preferred 9 31 4.58 2.05–10.21 <0.001*
 Preferred 37 56 2.01 1.20–3.36 0.007*
 Not preferred 48 39 1.08 0.64–1.82 0.773
 Not preferred much 11 3 0.36 0.10–1.35 0.116
Soft drinks
 Average 65 72 1.00 Reference  
 Much preferred 3 10 3.01 0.79–11.41 0.092
 Preferred 10 30 2.71 1.23–5.97 0.011*
 Not preferred 92 65 0.64 0.40–1.01 0.056
 Not preferred much 31 24 0.70 0.37–1.31 0.264
Milk
 Average 91 90 1.00 Reference  
 Much preferred 10 25 2.53 1.15–5.57 0.018*
 Preferred 49 37 0.76 0.46–1.28 0.306
 Not preferred 35 43 1.24 0.73–2.12 0.425
 Not preferred much 17 7 0.42 0.17–1.05 0.058
Popcorn/fries
 Average 79 86 1.00 Reference  
 Much preferred 3 15 4.59 1.28–16.46 0.011*
 Preferred 34 32 0.87 0.49–1.53 0.618
 Not preferred 57 46 0.74 0.45–1.22 0.235
 Not preferred much 29 23 0.73 0.39–1.36 0.321
Nuts  
 Average 64 88 1.00 Reference  
 Much preferred 39 26 0.49 0.27–0.88 0.016*
 Preferred 84 65 0.56 0.36–0.89 0.013*
 Not preferred 10 18 1.31 0.57–3.02 0.528
 Not preferred much 5 5 0.73 0.20–2.62 0.745
Products made from bean
 Average 39 67 1.00 Reference  
 Much preferred 53 39 0.43 0.24–0.76 0.003*
 Preferred 103 87 0.49 0.30–0.80 0.004*
 Not preferred 5 8 0.93 0.29–3.05 1.000
 Not preferred much 2 1 0.29 0.026–3.32 0.555
  1. A statistically significant OR (odds ratio) >1 indicates a risk factor; an OR <1 indicates a prevention factor
  2. * indicates a statistically significant between-group diference