Table 2.

Univariate analysis of MBI-GS scores according to demographics and work characteristics.

Variable	Number	Emotional exhaustion		Depersonalization		Personal accomplishment
		Mean ± SE	P value	Mean ± SE	P value	Mean ± SE	P value
Age			< 0.01		0.282		< 0.01
< 25	254	12.80 ± 7.60		8.91 ± 7.06		20.85 ± 9.68
25– 30	299	11.41 ± 7.63		8.37 ± 6.71		23.47 ± 9.46
30– 35	253	10.49 ± 7.07		7.76 ± 6.16		24.20 ± 9.58
> 35	275	10.53 ± 7.05		8.37 ± 6.44		23.27 ± 9.71
Marital status			< 0.01		0.030		< 0.01
Married	720	10.82 ± 7.15		7.99 ± 6.37		23.57 ± 9.50
Divorced/widow/separated	139	11.43 ± 7.63		9.39 ± 6.92		23.41 ± 9.50
Single	222	12.74 ± 7.87		8.87 ± 7.09		20.79 ± 10.03
Education level			< 0.01		< 0.01		< 0.01
Junior school or less	645	12.13 ± 7.71		8.85 ± 6.92		22.27 ± 9.87
High school	360	10.04 ± 6.74		7.37 ± 5.83		24.18 ± 9.24
Junior college or more	76	10.18 ± 6.78		8.74 ± 6.93		23.26 ± 9.35
Monthly Income			< 0.01		< 0.01		< 0.01
< ¥1500	96	13.21 ± 8.71		9.82 ± 7.91		21.19 ± 11.51
¥1500 ~	728	11.69 ± 7.41		8.59 ± 6.67		22.36 ± 9.59
¥3000 ~	257	9.47 ± 6.45		7.13 ± 5.69		25.39 ± 8.70
Shift work			< 0.01		< 0.01		0.771
No	377	10.00 ± 6.47		7.29 ± 5.89		23.09 ± 9.41
Yes	704	11.99 ± 7.76		8.92 ± 6.90		22.91 ± 9.81
Assembly line			< 0.01		0.229		< 0.01
No	264	9.94 ± 6.93		7.93 ± 6.31		24.44 ± 9.37
Yes	817	11.74 ± 7.49		8.49 ± 6.70		22.50 ± 9.72
Working years (year)			< 0.01		0.172		< 0.01
< 2	427	12.33 ± 7.96		8.81 ± 7.15		21.61 ± 10.00
2 ~ 4	268	11.24 ± 7.14a		8.16 ± 6.22		23.79 ± 9.40
> 4	386	10.19 ± 6.74		7.97 ± 6.23		23.92 ± 9.31
Exposure to occupational hazards			< 0.01		0.380		0.806
No	352	10.36 ± 7.45		8.09 ± 6.77		22.87 ± 10.14
Yes	729	11.75 ± 7.33		8.47 ± 6.53		23.02 ± 9.43