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Journal of the Egyptian Public Health Association

Table 5 Stepwise logistic regression analysis of the independent predictors of lower limb varicose veins (LLVV) among ever employed participants (n = 234)

From: Epidemiological, life style, and occupational factors associated with lower limb varicose veins: a case control study

Independent predictors

Coefficient

Adjusted OR†

95% CI

P value

Standing posture at work

1.13

3.10

(1.02, 9.38)

0.04*

Age

0.06

1.06

(1.02, 1.10)

<0.01**

Frequent lifting of heavy objects/day

3.63

37.59

(3.52, 400.86)

<0.01**

Standing > 4 h/day

1.26

3.52

(1.20, 10.33)

0.02*

Infrequent/no consumption of fiber-rich food

1.45

4.24

(1.70, 10.62)

<0.01**

Drinking < 5 cups of water/day

2.24

9.42

(3.43, 25.89)

<0.001***

Irregular defecation habit

1.87

6.46

(2.73, 15.27)

<0.001***

Taking laxatives

−1.63

0.20

(0.05, 0.08)

0.02*

  1. Abbreviations: OR odds ratio, CI confidence interval
  2. Model X2 = 157.19 (p < 0.001); Nagelkerke’s R2 = 0.65; Cox and Snell R2 = 0.48; Hosmer and Lemeshow X2 = 10.48 (p = 0.23)
  3. †OR adjusted for gender, family history of varices, and potential occupational and life style risk factors significant in univariate analysis (working hours per week, nature of work, standing hours/working day, sitting hours/working day, body mass index, smoking, posture during defecation, and sleeping hours/day)
  4. Significant factors that include cells having a count less than 5 were excluded from the regression model
  5. *p<0.05
  6. **p<0.01
  7. ***p<0.001
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