Table 3.

The result of the conditional logit model and willingness to pay

Attributes and their levels	Coefficients	SE	P-value	95% CI	WTP	95% CI
Monthly salary (unit: 10 000 000 IRR)	0.185	0.025	< 0.001	0.137 to 0.235
Location (ref: city)			< 0.001
Rural	− 0.846	0.106		− 1.058 to 0.642	9.143	8.068 to 10.219
Type of employment contract (ref: Gharardadi)			< 0.001
Peymani	− 0.008	0.047		− 0.1 to 0.084	− 1.664	− 2.623 to – 0.676
Rasmi	0.324	0.066		0.196 to 0.455	− 3.461	− 4.598 to – 2.325
Workload (ref: moderate)			< 0.001
Heavy	− 0.442	0.099		− 0.637 to – 0.245	3.115	2.153 to 4.077
Low	0.307	0.104		0.104 to 0.514	− 0.932	− 2.135 to 0.27
Type of health facility (ref: clinic)			0.5
Hospital
Health House	0.068	0.059		− 0.049 to 0.185	− 0.375	− 1.202 to 0.451
	− 0.066	0.091		− 0.245 to 0.112	0.351	− 1.085 to 1.787
Workplace facilities (ref: inadequate)			0.01
Adequate	0.108	0.043		0.025 to 0.466	− 1.169	− 1.94 to – 0.397
Work schedule (ref: inappropriate)			< 0.001
Appropriate	0.394	0.036		0.324 to 0.466	− 4.258	− 5.322 to – 3.195
Expected time spent on the assigned job for promotion to a higher position (ref: 1 to 3 years)			< 0.001
3 to 5 years	0.084	0.508		− 0.015 to 0.184	0.768	− 0.074 to 1.612
More than 5 years	− 0.3104	0.083		− 0.475 to – 0.149	2.898	1.777 to 4.019
AICc	1752.631
BIC	1815.833
−2Log Likelihood	1728.415
−2Firth Log Likelihood	1652.097

SE standard error, WTP willingness to pay, CI confidence interval, AICc Akaike information criterion (for small sample size), BIC Bayesian information criterion