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Table 4 Number of working hours per week and the risk of self-reported hypertension stratified by gender

From: Effect of Long Working Hours on Self-reported Hypertension among Middle-aged and Older Wage Workers

Sex

Models

Number of working hours per week

p for trend

≤40

41–50

51–60

≥61

(n = 421)

(n = 337)

(n = 178)

(n = 143)

Males

Number of workers

286

223

117

77

 

Model 1s (95% CI)

1.00 (reference)

1.61 (0.85-3.03)

1.49 (0.68-3.26)

1.79 (0.77-4.15)

0.151

Model 2s (95% CI)

1.00 (reference)

1.61 (0.85-3.03)

1.50 (0.69-3.29)

1.61 (0.68-3.83)

0.217

Model 3s (95% CI)

1.00 (reference)

1.73 (0.91-3.28)

1.72 (0.78-3.79)

1.63 (0.68-3.93)

0.163

Model 4s (95% CI)

1.00 (reference)

2.19 (1.03-4.63)

2.56 (0.91-7.15)

2.54 (0.90-7.15)

0.093

Females

Number of workers

135

114

61

66

 

Model 1s (95% CI)

1.00 (reference)

2.23 (0.83-6.03)

2.27 (0.73-7.05)

2.35 (0.79-6.99)

0.128

Model 2s (95% CI)

1.00 (reference)

2.01 (0.74-5.47)

2.21 (0.71-6.90)

2.15 (0.72-6.42)

0.166

Model 3s (95% CI)

1.00 (reference)

2.29 (0.83-6.29)

2.76 (0.86-8.85)

2.76 (0.90-8.43)

0.112

Model 4s (95% CI)

1.00 (reference)

2.86 (0.79-10.34)

3.13 (0.74-13.17)

2.19 (0.49-9.84)

0.066

  1. Model 1s was not adjusted.
  2. Model 2s was adjusted for age.
  3. Model 3s was adjusted for age, and health-related factors including smoking habit, alcohol habit, regular exercise, and body mass index(BMI).
  4. Model 4s was adjusted for age, health-related factors, education and occupational factors including income, occupation, form of employment, and working days per week.
  5. All hazard ratios were calculated using a Cox proportional hazards model with weight cases.
  6. CI = Confidence interval.