Table 2 Results of individual regression...

Table 2

Results of individual regression and bootstrapped mediator analyses

	Model 1 surgery	Model 2 In (sick leave)	Model 3 In (total cost)
	Coeff. (SE) beta coeff.	Coeff. (SE) beta coeff.	Coeff. (SE) beta coeff.
Method	Logistic	OLS	OLS
Controls	Included	Included	Included
Hypothesized variables
PP hospital (0/1)	−0.38 (0.08)***	−0.10 (0.03)**	0.09 (0.02)***
PP hospital (0/1)	−0.1	−0.05	0.04
Surgery (0/1)		0.96 (0.03)***	0.37 (0.02)***
Surgery (0/1)		0.47	0.2
Ln (sick leave)			0.73 (0.01)***
Ln (sick leave)			0.79
Constant	0.13 (0.27)	3.37 (0.11)***	5.81 (0.06)***
R²		0.36	0.83
F		91.5***	749.2***
Chi-Square	197.63***
N	2,726	2,726	2,726
Bootstrapped results of mediator analysis (1,000 permutations)
	Standardized Coefficients (B')	Bootstrapped Std. Err	Unstandardized Coefficients (B = B' * SD_y / SD_x)
Indirect effect (H1−)	−0.09***	0.02	−0.18***
Direct effect (H2 +)	0.04***	0.01	0.09***
Total effect (H3−)	−0.05**	0.02	−0.09**

	Model 1 surgery	Model 2 In (sick leave)	Model 3 In (total cost)
	Coeff. (SE) beta coeff.	Coeff. (SE) beta coeff.	Coeff. (SE) beta coeff.
Method	Logistic	OLS	OLS
Controls	Included	Included	Included
Hypothesized variables
PP hospital (0/1)	−0.38 (0.08)***	−0.10 (0.03)**	0.09 (0.02)***
PP hospital (0/1)	−0.1	−0.05	0.04
Surgery (0/1)		0.96 (0.03)***	0.37 (0.02)***
Surgery (0/1)		0.47	0.2
Ln (sick leave)			0.73 (0.01)***
Ln (sick leave)			0.79
Constant	0.13 (0.27)	3.37 (0.11)***	5.81 (0.06)***
R²		0.36	0.83
F		91.5***	749.2***
Chi-Square	197.63***
N	2,726	2,726	2,726
Bootstrapped results of mediator analysis (1,000 permutations)
	Standardized Coefficients (B')	Bootstrapped Std. Err	Unstandardized Coefficients (B = B' * SD_y / SD_x)
Indirect effect (H1−)	−0.09***	0.02	−0.18***
Direct effect (H2 +)	0.04***	0.01	0.09***
Total effect (H3−)	−0.05**	0.02	−0.09**

Note(s): *p < 0.05; **p < 0.01; ***p < 0.001

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