Table 2.

Attrition rate among the staff of Department of Medical Sciences in 2009–2013

Variables	2009 N=98			2010 N=109			2011 N=106			2012 N=102			2013 N=79		p-valuea)
	N	%		N	%		N	%		N	%		N	%
Age															<0.001
< 30 years	34	34.7		13	11.9		13	12.3		11	10.8		7	8.9
31–45 years	41	41.8		65	59.6		61	57.5		48	47.0		42	53.2
46–60 years	23	23.5		31	28.4		32	30.2		43	42.2		30	38.0
Gender															0.968
Male	30	30.6		30	27.5		33	31.1		32	31.4		25	31.6
Female	68	69.4		79	72.5		73	68.9		70	68.6		54	68.4
Education															< 0.05
Bachelor degree	57	58.2		44	40.4		46	43.4		36	35.3		28	35.4
Master degree	30	30.6		54	49.5		45	42.5		55	53.9		38	48.1
PhD degree	11	11.2		11	10.1		15	14.2		11	10.8		13	16.5
Oversea degree															0.727
Yes	10	89.8		6	94.5		10	90.6		10	90.2		6	92.4
No	88	10.2		103	5.5		96	9.4		92	9.8		73	7.6

a) p-values are from a chi-square test