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Table 3 Associations between dietary patterns by quartile (Q) and lung cancer risk by histological types

From: Dietary patterns, BCMO1 polymorphisms, and primary lung cancer risk in a Han Chinese population: a case-control study in Southeast China

Dietary pattern Controls Adenocarcinoma Squamous cell carcinoma Others All
N adjusted OR*(95% CI) N adjusted OR*(95% CI) N adjusted OR*(95% CI) N adjusted OR*(95% CI)
High quality protein
 Q1(low) 294 126 1 74 1 77 1 277 1
 Q2 296 130 1.119 (0.824–1.520) 85 1.250 (0.856–1.824) 75 1.068 (0.735–1.552) 290 1.141 (0.891–1.460)
 Q3 295 142 1.196 (0.883–1.618) 88 1.341 (0.920–1.954) 62 0.906 (0.615–1.336) 292 1.134 (0.885–1.452)
 Q4(high) 294 153 1.400 (0.999–1.890) 77 1.254 (0.853–1.845) 76 1.192 (0.820–1.734) 306 1.283 (0.999–1.643)
 P for trend    0.170   0.406   0.785   0.063
Fruits and vegetables
 Q1(low) 294 283 1 160 1 160 1 603 1
 Q2 295 121 0.439 (0.332–0.581) 79 0.513 (0.365–0.720) 61 0.398 (0.280–0.565) 261 0.447 (0.354–0.566)
 Q3 296 85 0.282 (0.208–0.384) 51 0.330 (0.225–0.484) 40 0.247 (0.166–0.369) 176 0.285 (0.221–0.368)
 Q4(high) 294 62 0.213 (0.152–0.298) 34 0.235 (0.152–0.363) 29 0.188 (0.120–0.295) 125 0.216 (0.164–0.284)
 P for trend    < 0.001   < 0.001   < 0.001   < 0.001
Cereals/wheat and meat
 Q1(low) 294 117 1 92 1 84 1 293 1
 Q2 295 146 1.149 (0.847–1.561) 93 0.848 (0.592–1.215) 78 0.820 (0.569–1.182) 317 0.973 (0.759–1.246)
 Q3 296 127 0.920 (0.673–1.257) 83 0.816 (0.565–1.179) 70 0.744 (0.512–1.081) 280 0.846 (0.658–1.086)
 Q4(high) 294 164 1.179 (0.871–1.597) 56 0.534 (0.358–0.796) 58 0.588 (0.397–0.872) 278 0.831 (0.645–1.070)
 P for trend    0.342   0.012   0.021   0.230
Frugal pattern
 Q1(low) 294 126 1 75 1 63 1 264 1
 Q2 296 117 0.857 (0.627–1.171) 72 0.841 (0.569–1.243) 66 0.951 (0.638–1.417) 255 0.873 (0.675–1.129)
 Q3 295 118 0.827 (0.605–1.131) 81 0.894 (0.610–1.311) 73 1.022 (0.690–1.514) 272 0.897 (0.695–1.159)
 Q4(high) 294 190 1.337 (0.998–1.790) 96 1.029 (0.710–1.491) 88 1.216 (0.831–1.779) 374 1.235(0.966–1.581)
 P for trend    0.050   0.791   0.267   0.073
  1. *adjusted by incomes, occupation, education, family history of lung cancer, history of lung diseases, environmental tobacco smoke, smoking status, BMI