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Table 6 Multivariate stepwise logistic regression analysis of factors associated with dyslipidemia

From: Prevalence of dyslipidaemia and risk factors in Chinese coal miners: a cross-sectional survey study

Variable

Characteristics

High TC (≥5.2 mmol/L)

High LDL-C(≥3.4 mmol/L)

Low HDL-C(<1.0 mmol/L)

High TG(≥1.7 mmol/L)

Adjusted OR

P

Adjusted OR

P

Adjusted OR

P

Adjusted OR

P

(95% CI)

(95% CI)

(95% CI)

(95% CI)

Age (years)

<40

1

 

1

 

1

 

1

 

≥40

1.10(0.94, 1.29)

0.225

1.11(0.94, 1.31)

0.224

0.80(0.69, 0.93)

0.005

0.97(0.84, 1.12)

0.66

Gender

Male

1

 

1

 

1

 

1

 

Female

1.22(0.97, 1.53)

0.084

0.81(0.63, 1.03)

0.08

0.18(0.14, 0.25)

<0.001

0.41(0.32, 0.52)

<0.001

Marital status

Single

      

1

 

Married

      

1.43(1.06, 1.93)

0.019

Monthly income

≤4000

1

   

1

   

(RMB, Yuan)

 

4000–6000

1.03(0.87, 1.22)

0.755

  

0.67(0.56, 0.81)

<0.001

  

>6000

0.76(0.64, 0.91)

0.003

  

1.07(0.88, 1.30)

0.487

  

Working type

Intense physical workers

  

1

 

1

 

1

 

Light physical workers

  

1.19(0.99, 1.45)

0.071

1.61(1.33, 1.93)

<0.001

1.51(1.28, 1.78)

<0.001

Mental workers

  

1.35(1.05, 1.74)

0.02

1.52(1.22, 1.90)

<0.001

1.58(1.30, 1.93)

<0.001

Workplace

Underground front-line

  

1

     

Underground auxiliary

  

0.96(0.78, 1.19)

0.737

    

Ground

  

1.22(0.96, 1.54)

0.101

    

Office

  

1.16(0.86, 1.56)

0.326

    

Length of service

≤3 years

1

 

1

     

4–10 years

1.23(0.79, 1.93)

0.36

1.38(0.86, 2.19)

0.181

    

>10 years

1.70(1.12, 2.58)

0.013

1.77(1.14, 2.74)

0.011

    

Smoking status

No

1

       

Yes

1.25 (1.06, 1.46)

0.007

      

Smoking index

0 ~ 

  

1

     

(roots*years)

150 ~

  

1.39(1.13, 1.71)

0.002

    

300 ~

  

1.28(1.00, 1.62)

0.048

    

450 ~

  

1.42(1.16, 1.75)

<0.001

    

Drinking Status

No

    

1

 

1

 

Yes

    

0.79(0.67, 0.95)

0.01

1.24(1.05, 1.46)

0.011

Daily drinking(g)

0 ~

1

   

1

 

1

 

25 ~

1.53(1.16, 2.00)

0.002

  

0.80(0.57, 1.11)

0.185

1.01(0.75, 1.35)

0.954

50 ~

1.81(1.30, 2.53)

<0.001

  

0.36(0.22, 0.59)

<0.001

0.73(0.51, 1.04)

0.083

75 ~

1.73(1.30, 2.32)

<0.001

  

0.58(0.40, 0.84)

0.004

1.37(1.01, 1.87)

0.044

FBG

NFG(<5.6 mmol/L)

1

 

1

 

1

 

1

 

IFG(5.6 mmol/L ≤ FBG < 7.0 mmol/L)

1.41(1.14, 1.75)

0.002

1.20(0.96, 1.50)

0.103

0.89(0.70, 1.13)

0.322

1.46(1.18, 1.81)

<0.001

DM(≥7.0 mmol/L)

1.99(1.43, 2.78)

<0.001

1.61(1.16, 2.24)

0.005

1.45(1.03, 2.06)

0.036

2.32(1.61, 3.32)

<0.001

DBP

<90 mmHg

1

 

1

   

1

 

≥90 mmHg

1.23(1.05, 1.46)

0.013

1.30(1.10, 1.53)

0.002

  

1.58(1.34, 1.86)

<0.001

BMI

normal weight, 18.5–23.9 kg/m2

1

 

1

 

1

 

1

 

underweight, <18.5 kg/m2

0.99(0.65, 1.52)

0.962

0.68(0.42, 1.12)

0.129

0.58(0.31, 1.08)

0.088

1.13(0.73, 1.74)

0.594

overweight, 24.0–27.9 kg/m2

1.43(1.22, 1.67)

<0.001

1.77(1.51, 2.08)

<0.001

1.98(1.65, 2.36)

<0.001

2.61(2.23, 3.06)

<0.001

obesity, ≥28.0 kg/m2

1.66(1.37, 2.02)

<0.001

2.35(1.93, 2.86)

<0.001

2.95(2.33, 3.72)

<0.001

3.55(2.85, 4.41)

<0.001

WC

<102 cm (male)/88 cm (female)

    

1

 

1

 
 

≥102 cm (male)/88 cm (female)

    

1.45(1.14, 1.85)

0.003

1.41(1.12, 1.78)

0.004

WHR

≤0.9(male)/0.8 (female)

    

1

 

1

 

>0.9(male)/0.8 (female)

    

1.21(1.02, 1.42)

0.026

1.25(1.08, 1.45)

0.003

  1. TG triglyceride, TC total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low density lipoprotein cholesterol, FBG fasting blood glucose
  2. NFG normal fasting glucose, IFG impaired fasting glucose, DM diabetes mellitus, SBP systolic blood pressure, DBP diastolic blood pressure, BMI body mass index, WC waist circumference, WHR waist/hip ratio