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Table 3 Occupational stressors and SBP or incident cases of hypertension (backward multivariate analysis)

From: Impact of occupational environmental stressors on blood pressure changes and on incident cases of hypertension: a 5-year follow-up from the VISAT study

 

SBP difference T2-T1

Incidence of Hypertension (model D) N = 775

Whole sample (model A) N = 1156

Initial SBP < 130 mmHg (model B) N = 673

Initial SBP ≥ 130 mmHg (model C) N = 483

β.

SE

p

β.

SE

p

β.

SE

p

OR

95% CI

p

Age group at baseline (ref: 32 years old)

 42

3.10

1.01

0.002

1.12

1.14

0.33

3.89

2.20

0.08

2.36

(1.41; 3.96)

0.001

 52 or 62

7.02

1.25

< 0.001

5.13

1.61

0.001

5.52

2.43

0.02

4.97

(2.68; 9.23)

< 0.001

Female (ref male)

−3.02

0.98

0.002

−0.49

1.08

0.65

−2.61

1.99

0.19

0.53

(0.34; 0.82)

0.005

BMI at T1 (kg/m2)

0.49

0.12

< 0.001

0.61

0.14

< 0.001

1.18

(1.11; 1.25)

< 0.001

Drugs for HBP T1

4.72

1.77

0.01

8.39

3.22

0.01

Drugs for HBP T2

   

−6.19

2.73

0.02

SBP at T1

−0.45

0.03

< 0.001

         

Smoking (ref: no)

2.17

0.97

0.03

3.98

1.98

0.05

1.74

(1.10; 2.76)

0.02

Daily alcohol intake

 Yes, without alcohol dependence

−1.46

1.92

0.45

 Yes, with alcohol dependence

−7.75

3.38

0.02

 Working at T1

−8.27

3.08

0.01

 Job strain (ref: low strain work)

  Passive work

−0.23

2.16

0.92

  Active work

2.24

1.26

0.08

  High strain

3.43

2.24

0.13

 Job recognition

−3.09

1.27

0.02

  1. Footnotes: β and standard errors, odds ratio and 95% confidence intervals were calculated from linear and logistic regressions respectively
  2. In all models the following variables were included: age group at eligibility, gender, BMI, smoking, daily alcohol intake, history of diabetes, lipid disorders, educational attainment, and employment at T1 and at T2
  3. Added in model A: initial SBP level, HBP treatment at T1 and T2, leisure physical activity; job strain, and job recognition
  4. Added in model B: HBP treatment at T1 and T2, leisure physical activity; carrying heavy objects, intense noise exposure, > 48 h/week, bedtime after midnight, getting up before 5 AM, job strain, work under time pressure, job recognition, and income linked to productivity
  5. Added in model C: HBP treatment at T1 and T2, leisure physical activity, working on the weekend, bedtime after midnight, getting up before 5 AM and age at first job
  6. Added in model D: working during the weekend, > 48 h/week, rotating shift schedule and job recognition
  7. Significance of p-value < 0.5 are set in bold