Table:
wages and salaries
wage growth
enrolled in graduate studies

coefficient
robust standard error
coefficient
robust standard error
coefficient
robust standard error

gap in outcomes
5,906
345
3,262
737
0.094
0.001

explained
6,907
188
319
425
0.063
0.001

graduation year
-7
6
..
..
0.000
0.000

age at graduation
1,440
68
586
101
0.005
0.000

sex
30
31
-85
119
0.000
0.000

field of study
5,255
152
-295
363
0.044
0.001

province of institution
189
74
113
162
0.014
0.000

unexplained
-1,001
311
2,943
807
0.031
0.002

Statement: a further $1,440 could be explained by the fact that cbd holders are more than two years older than ubd holders.
Question: how many dollars could be explained by the fact that cbd holders are more than two years older than ubd holders?
Answer: [1440.0]