Table 3.

Linear multiple regression analysis results in relation to WAI scores corrected by job category

	Coefficient	Sd error	95% conf. interval	p-value
Cons	43.92	0.33	(43.28; 44.55)	< 0.001
Sex
Male	–	–	–	–
Female	−1.76	0.17	(−2.09; −1.43)	< 0.001
Age
21–39	–	–	–	–
40–46	−1.94	0.21	(−2.35; −1.53)	0.016
47–51	−2.58	0.22	(−3.02; −2.15)	< 0.001
52–56	−3.23	0.22	(−3.66; −2.79)	< 0.001
57–68	−4.31	0.23	(−4.76; −3.86)	< 0.001
BMI
< 20.8	–	–	–	–
20.9–22.7	0.04	0.22	(−0.39; 0.47)	0.849
22.8–24.7	−0.08	0.22	(−0.51; 0.35)	0.706
24.8–27.7	−0.61	0.23	(−1.05; −0.17)	0.007
> 27.8	−1.43	0.22	(−1.87; −0.99)	< 0.001
Job
Administrative staff	–	–	–	–
Sanitary technicians	0.67	0.25	(0.18; 1.17)	0.008
Assistive personnel	–0.81	0.27	(−1.33; −0.29)	0.002
Medical doctors	1.20	0.30	(0.62; 1.79)	< 0.001
Nurses	–1.04	0.23	(−1.49; −0.59)	< 0.001
Public service	0.42	0.39	(−0.34; 1.17)	0.282