Table 1.

Distribution of sociodemographic and occupational characteristics in a sample of Spanish and foreign workers in Spain, 2007 and 2011

	Spanish (n = 16 732)	Foreign (n = 2108)
	Year 2007 (n = 9.080)	Year 2011 (n = 7.652)		Year 2007 (n = 1.322)	Year 2011 (n = 786)
	%	%	P-value	%	%	P-value
Sex			< 0.010**			0.044
Male	59.7	54.1		59.3	54.7
Female	40.3	45.9		40.7	45.3
Age			< 0.001***			< 0.001***
16–24	9.0	3.1		10.8	3.6
25–34	28.3	20.1		40.9	34.5
35–44	30.6	32.6		30.0	36.6
45–54	21.3	29.2		13.5	19.0
>54	10.9	15.0		4.8	6.3
Educational level (years of education)			< 0.001***			0.746
6–12	23.1	29.1		25.2	24.9
13–18	37.9	36.6		41.0	42.7
19+	39.1	34.4		33.8	32.4
Employment status			< 0.001***			< 0.010**
Permanent employee with social security	59.8	67.1		49.7	56.1
Temporary employee with social security	20.1	14.7		37.4	29.1
Self-employee without workers	14.5	13.9		10.2	11.2
Self-employee with workers	5.6	4.3		2.7	3.6
Economic activity			< 0.001***			< 0.001***
Services	65.9	75.1		60.8	73.9
Nonservices	34.1	24.9		39.2	26.3
Occupational social class			< 0.001***			0.226
Nonmanual	61.2	53.2		82.6	80.3
Manual	38.8	46.8		17.5	19.7