Table 4 Odds ratios (ORs) and 95% confidence intervals (95%CIs) of colorectal cancer according to quartiles of fish intakes by sex.

From: Higher freshwater fish and sea fish intake is inversely associated with colorectal cancer risk among Chinese population: a case-control study

 

Males (n = 663)

Femalesb (n = 526)

P interaction

Q1

Q2

Q3

Q4

P trend

Q1

Q2

Q3

Q4

P trend

Freshwater fish

No. Cases/Controls

227/165

171/166

156/166

109/166

 

189/131

125/132

108/132

104/131

  

Crude OR (95%CI)

1

0.75 (0.56–1.00)

0.68 (0.51–0.92)

0.48 (0.35–0.65)

<0.01

1

0.66 (0.47–0.91)

0.57 (0.40–0.80)

0.55 (0.39–0.77)

<0.01

 

Adjusted OR (95%CI)a

1

0.72 (0.52–0.99)

0.59 (0.43–0.82)

0.41 (0.29–0.58)

<0.01

1

0.68 (0.48–0.98)

0.54 (0.38–0.78)

0.50 (0.34–0.72)

<0.01

0.95

Sea fish

No. Cases/Controls

174/166

183/166

112/165

194/166

 

202/131

111/132

102/132

111/131

  

Crude OR (95%CI)

1

1.05 (0.78–1.42)

0.65 (0.47–0.89)

1.12 (0.83–1.50)

0.90

1

0.55 (0.39–0.76)

0.50 (0.36–0.70)

0.55 (0.39–0.77)

<0.01

 

Adjusted OR (95%CI)a

1

0.91 (0.65–1.27)

0.57 (0.40–0.82)

1.02 (0.73–1.41)

0.63

1

0.60 (0.42–0.86)

0.54 (0.38–0.78)

0.59 (0.41–0.84)

<0.01

<0.01

Dried/salted fish

No. Cases/Controls

164/166

225/165

106/166

168/166

 

108/131

170/132

103/132

145/131

  

Crude OR (95%CI)

1

1.38 (1.03–1.85)

0.65 (0.47–0.90)

1.02 (0.76–1.39)

0.19

1

1.56 (1.11–2.20)

0.95 (0.66–1.36)

1.34 (0.95–1.90)

0.54

 

Adjusted OR (95%CI)a

1

1.11 (0.81–1.54)

0.65 (0.45–0.92)

1.03 (0.74–1.44)

0.43

1

1.64 (1.13–2.38)

1.11 (0.74–1.65)

1.47 (1.01–2.14)

0.24

0.19

Shellfish

No. Cases/Controls

176/166

117/166

182/165

188/166

 

179/131

93/132

121/132

133/131

  

Crude OR (95%CI)

1

0.67 (0.48–0.91)

1.04 (0.77–1.40)

1.07 (0.79–1.44)

0.22

1

0.52 (0.36–0.73)

0.67 (0.48–0.94)

0.74 (0.53–1.03)

0.14

 

Adjusted OR (95%CI)a

1

0.76 (0.54–1.08)

1.11 (0.80–1.54)

1.13 (0.81–1.57)

0.20

1

0.57 (0.39–0.84)

0.69 (0.48–0.99)

0.82 (0.57–1.19)

0.37

0.02

Fresh fish

 

No. Cases/Controls

213/165

137/166

177/167

136/165

 

205/131

120/132

107/132

94/131

  

Crude OR (95%CI)

1

0.64 (0.47–0.87)

0.82 (0.61–1.10)

0.64 (0.47–0.87)

0.02

1

0.58 (0.42–0.81)

0.52 (0.37–0.73)

0.46 (0.33–0.65)

<0.01

 

Adjusted OR (95%CI)a

1

0.54 (0.39–0.75)

0.71 (0.51–0.98)

0.52 (0.37–0.74)

<0.01

1

0.56 (0.39–0.80)

0.51 (0.36–0.74)

0.43 (0.30–0.63)

<0.01

0.04

  1. aOdds ratio was adjusted for age, marital status, education, income level, occupation, family history of cancer, smoking status, passive smoking, alcohol drinking, physical activity and BMI.
  2. bOdds ratio was adjusted for the various above confounders and menopausal status in female subjects.
Back to article page