Table 3.

Exactness of BCSQ-12 according to MBI-GS

	criterion: 'exhaustion' (cut-off point 'overload'≥3.38)		criterion: 'cynicism' (cut-off point 'L.development'≥3.63)		criterion: 'inefficacy' (cut-off point 'neglect'≥2.63)
	index	95% IC	index	95% IC	index	95% IC
Sensitivity *	75.89	70.07 - 81.72	70.71	65.21 - 76.22	71.19	64.23 - 78.14
Specificity *	62.35	58.40 - 66.30	70.57	66.66 - 74.48	67.03	63.33 - 70.72
PPVa *	42.82	37.83 - 47.81	55.15	49.87 - 60.44	37.06	31.78 - 42.34
NPVb *	87.44	84.19 - 90.69	82.48	78.93 - 86.06	89.51	86.68 - 92.33
OMRc *	33.98	30.69 - 37.27	29.38	26.22 - 32.55	32.08	28,84 - 35.33
PLRd	2.02	1.78 - 2.29	2.40	2.07 - 2.79	2.16	1.87 - 2.49
NLRe	0.39	0.30 - 0.49	0.42	0.34 - 0.50	0.43	0.34 - 0.55
ORf	5.25g	3.62 - 7.60	6.77h	4.79 - 9.57	5.21i	3.57 - 7.60

*values given as percentages. a = Positive predictive value. b = Negative predictive value. c = Overal misclassification rate. d = Positive likelihood ratio. e = Negative likelihood ratio. f = Adjusted Odds Ratio by means of multivariate logistic regression models controlling age, sex, stable relationship, education, occupation, length of service, contract duration and contract type. g = Wald p < 0.001; H-L p = 0.451. h = Wald p < 0.001; H-L p = 0.093. i = Wald p < 0.001; H-L p = 0.216. Values obtained from the total sample (n_T).