Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 2 Summary statistics for covariates.

From: Exploring the association between occupational complexity and numeracy

Variable	N	% missing	Mean	Std. Dev.	Min	Median	Max
Years of education	32,783	0.8	13.462	2.914	4	16	22
Educational level	33,054	0
Lower secondary	4317		13.1%
Upper secondary	14,757		44.6%
Degree	13,980		42.3%
Age groups	33,054	0
25-34	8543		25.8%
35-44	9449		28.6%
45-54	9284		28.1%
55 plus	5778		17.5%
Gender	33,054	0
Male	19,853		60.1%
Female	13,201		39.9%

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