estimated relationship between teacher job characteristics and private high school employment
Table:
outcome variable
regression results

coefficient
standard error

log of wages
-0.036
0.020

employed full time
-0.083
0.023

employed in permanent job
-0.003
0.023

covered by collective bargaining agreement
-0.551
0.015

union membership
-0.605
0.018

Give a precise answer to the following question using only the table information. Return the answer in the JSON form {"answer": ["YOUR ANSWER"]}; for multiple items, use commas. 'estimated relationship between teacher job characteristics and private high school employment' is the caption of the table. Answer the following table-based question: What was the percentage points were they far less likely to be union members?

{"answer": ["-0.605"]}