Table 1.

Means, standard deviations, absolute, and relative counts of covariates used for the propensity score matching procedure.

	Headhunter sample		ALLBUS sample
	Before matching N =123	After matching N =120	Before matching N =1740	After matching N =120
Age	49.4 (10.4)	49.4 (10.5)	50.8 (17.8)	49.3 (10.5)
Gender (female)	48 (39.0%)	46 (38.3%)	858 (49.3%)	46 (38.3%)
Education:
Higher education entrance qualification	119 (99.2%)	119 (99.2%)	686 (39.9%)	119 (99.2%)
Intermediate school-leaving certificate	1 (0.8%)	1 (0.8%)	1,019 (59.3%)	1 (0.8%)
No school-leaving certificate	0 (0.0%)	0 (0.0%)	14 (0.8%)	0 (0.0%)

For age, means and standard deviations (in parentheses) are given. For categorical variables (sex and education) absolute and relative (in parentheses) frequencies are given. ALLBUS sample = the comparison sample from the German General Social Survey “ALLBUS 2016” (Wasmer and Baumann, 2018).