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Table 1
Distribution of physicians (n = 220) working in public health centers according to background characteristics in Tehran, Iran
	Gender
	Male	%	Female	%	Total	%	p-value
Age^*
Mean (SD)	44.1 (7.7)		37.5 (6.7)		39.4 (8)		<0.001*
Working Area
Affluent	20	33	52	33	72	33	0.900
Non-affluent	41	67	104	67	145	67
Working Sector
Public	15	27	122	84	137	69	<0.001
Public+Private	40	73	23	16	63	31
Total	61	100	156	100	217	100

^* Age was given by 209 individuals.

Statistical analyses by T-test and Chi square test.

Rabiei et al. BMC Public Health 2012 12:855 doi:10.1186/1471-2458-12-855

Table 1