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Table 2 Lifestyle and dietary factors between case and control groups

From: Metabolic status and lifestyle factors associated with gallbladder polyps: a covariance structure analysis

Variables Case Control P Crud OR (95%CI)
Smoking  Non-smoker 349 (71.7) 382 (76.1) 0.006 Ref.
 Current smoker 120 (24.6) 88 (17.5)   1.49 (1.09,2.04)
Physical activities  Previous smoker 18 (3.7) 32 (6.4)   0.62 (0.34,1.11)
 < 120 min/week 323 (90.5) 301 (93.2) 0.353 Ref.
 120~ 180 min/week 30 (8.4) 18 (5.6)   1.55 (0.85,2.84)
 > 180 min/week 4 (1.1) 4 (1.2)   0.93 (0.23,3.76)
Food intake frequencies(times/week)
 Meat Never 159 (32.6) 229 (45.6) < 0.001 Ref.
1~ 2 215 (44.1) 209 (41.6)   1.48 (1.12,1.96)
3~ 4 81 (16.6) 51 (10.2)   2.29 (1.53,3.43)
≥5 32 (6.6) 13 (2.6)   3.55 (1.80,6.97)
 Viscera Never 225 (46.2) 273 (54.4) 0.207 Ref.
1~ 2 223 (47.8) 206 (41.0)   1.37 (1.06,1.78)
3~ 4 22 (4.9) 16 (3.2)   1.82 (0.94,3.51)
≥5 5 (1.0) 7 (1.4)   0.87 (0.27,2.77)
 Fried food Never 143 (29.4) 184 (36.7) 0.109 Ref.
1~ 2 265 (54.4) 247 (49.2)   1.38 (1.04,1.83)
3~ 4 66 (13.6) 58 (11.6)   1.46 (0.97,2.22)
≥5 13 (2.7) 13 (2.6)   1.29 (0.58,2.86)
 Vegetables Never 13 (2.7) 12 (2.4) 0.550 Ref.
1~ 2 53 (10.9) 48 (9.6)   1.08 (0.49,2.41)
3~ 4 97 (19.9) 118 (23.5)   1.10 (0.73,1.68)
≥5 324 (66.5) 324 (64.5)   0.82 (0.60,1.12)
 Fruits Never 42 (8.6) 35 (7.0) 0.601 Ref.
1~ 2 122 (25.1) 121 (24.1)   0.84 (0.50,1.41)
3~ 4 108 (22.2) 147 (29.3)   0.61 (0.37,1.02)
≥5 215 (44.1) 199 (39.6)   0.90 (0.55,1.47)
 Alcohol drink < 1 434 (89.0) 447 (89.0) 0.971 Ref.
≥1 53 (10.9) 55 (11.0)   0.97 (0.67,1.48)
 Tea < 1 326 (66.9) 340 (67.7) 0.791 Ref.
≥1 161 (33.1) 162 (32.3)   1.04 (0.80,1.35)
  1. Ref. The reference group
  2. Binary logistic regression was used to obtain the crud odds ratios OR and its 95% CI