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Table 3 Multivariate analysis of risk factors associated with IFI among adults (18–87 years) in summer and winter (n = 584)

From: Risk factor analysis of insufficient fluid intake among urban adults in Wuxi, China: a classification and regression tree analysis

Variables SummerWinter
NNo. (%)aOR (95% CI)pNo. (%)aOR (95% CI)p
Gender
 Woman306248 (81.0)2.683 (1.830–3.934)< 0.001272 (88.9)2.636 (1.677–4.142)< 0.001
 Man278168 (60.4)  210 (75.5)  
Age
 18–34195139 (71.3)  168 (86.2)10.056
 35–54191140 (73.3)  148 (77.5)0.534 (0.311–0.915)0.022
  ≥ 55198137 (69.2)  166 (83.8)0.828 (0.471–1.453)0.510
Location (Community)
 A193126 (65.3)10.022155 (80.3)  
 B192135 (70.3)1.265 (0.810–1.975)0.302160 (83.3)  
 C199155 (77.9)1.921 (1.208–3.056)0.006167 (83.9)  
Labor worker
 Yes10279 (77.5)  88 (86.3)  
 No482337 (69.9)  394 (81.7)  
BMI (kg/m2)
  < 18.52822 (78.6)  25 (89.3)  
 18.5–23.9368275 (74.7)  301 (81.8)  
 24–27.9163105 (64.4)  135 (82.8)  
  ≥ 282514 (56.0)  21 (84.0)