Table 2.

Control variables.

Assignment	Age (A1)	Size (A3)
1	5 years and below	Less than or equal to 100 employees
2	6–10 years	101–300 employees
3	11–15 years	301–500 employees
4	16–20 years	501–1000 employees
5	21 years and above	Greater than or equal to 1001 employees