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Table 1 Comparisons of socio-demographic characteristics between case and control

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

Variables Case Control P Crud OR (95%CI)
Age(years) 50.6 ± 14.0 46.1 ± 12.7 < 0.001 1.03 (1.02,1.04)
Gender
 Male 292 (51.5) 275 (48.5) 0.100 Ref.
 Female 195 (46.2) 227 (53.8) 0.81 (0.63,1.04)
Education level
 Senior high school or under 88 (47.6) 97 (52.4) 0.603 Ref.
 Bachelor degree or above 399 (49.7) 408 (50.3) 1.09 (0.79,1.50)
Family average Monthly income (RMB: yuan)
 < 2000 23 (5.4) 27 (6.6) 0.207 Ref.
 2000~ 3999 121 (28.3) 95 (23.2) 1.50 (0.81,2.72)
 ≥4000 283 (66.3) 288 (70.2) 1.15 (0.65,2.06)
  1. Ref. The reference group
  2. Binary logistic regression was used to obtain the crud odds ratios OR and its 95% CI