Imputation rules for the implementation of the pre-unification education variable in the BASiD Data Set

Journal for Labour Market Research

Table 3 Imputation Procedure (2)

Category	Characteristics	Criteria	# Individuals
Low-skilled	Age	\(\leq 17\)	778
	First socio-economic spell	employed
Medium-skilled	Apprenticeship	\(>\) 1.5 years	7,845
High-skilled	School	\(>\) 3 years	1,374

Source: BASiD 2007.
Notes: The total number of individuals under consideration is 11,331. The coverage rate (covered individuals \(=\) 9,634/total individuals \(=\) 11,331) of Imputation Procedure (2) is 85%. Note that the number of covered individuals is less than the sum over all categories because of transitions to a higher educational level. Cumulative spells allow for interruptions and for continuing the spell’s duration after the interruption. After applying the criteria we extrapolate the educational degree to future spells until we observe a change in individuals’ educational status.