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Table 2 Zero inflated negative binomial regression: incidence rate ratio (job strain and the use of health services)

From: Psychosocial working conditions and the utilization of health care services

 

General practitioner visits

Specialist visits

 

model(1)

model (2)

model (3)

model(1)

model (2)

model (3)

Whole population

      

High job strain

1.26***

(1.19-1.31)

1.23***

(1.18-1.29)

1.10***

(1.05-1.14)

1.27***

(1.14-1.42)

1.23***

(1.11-1.37)

1.14***

(1.04-1.25)

Medium job strain

1.07***

(1.02-1.12)

1.06***

(1.02-1.11)

1.01

(0.97-1.05)

1.15***

(1.04-1.28)

1.14***

(1.03-1.26)

1.11**

(1.01-1.22)

N

 

29110

  

29105

 

Males

      

High job strain

1.27***

(1.18-1.38)

1.26***

(1.17-1.36)

1.11***

(1.04-1.19)

1.28***

(1.07-1.54)

1.26***

(1.06-1.50)

1.16*

(1.00-1.34)

Medium job strain

1.03

(0.96-1.10)

1.02

(0.95-1.09)

0.96

(0.90-1.02)

1.04

(0.88-1.23)

1.04

(0.88-1.22)

1.00

(0.86-1.17)

N

 

14328

  

14324

 

Females

      

High job strain

1.24***

(1.17-1.31)

1.23***

(1.16-1.31)

1.10***

(1.05-1.16)

1.27***

(1.13-1.44)

1.23***

(1.08-1.39)

1.13**

(1.01-1.26)

Medium job strain

1.11***

(1.04-1.18)

1.10***

(1.04-1.17)

1.06**

(1.00-1.12)

1.24***

(1.10-1.39)

1.22***

(1.09-1.37)

1.19***

(1.06-1.33)

N

 

14782

  

14781

 
  1. This table reports estimated coefficients (β i ) of the zero-inflated negative binomial regression transformed to incidence-rate ratios , *** p < 0.01, ** p < 0.05, * p < 0.1, confidence interval at 95% are in parentheses. Model 1 is the baseline specification, while model 2 includes an additional confounding variable, workplace social support. In model 3, covariates representing: individual's health status, number of chronic conditions, having a family doctor, province and occupational fixed effects are included