If the typical stay-at-home mother in the United States were paid for her work as a housekeeper, cook and psychologist among other roles, she would earn $138,095 a year, according to research released on Wednesday.

This reflected a 3 percent raise from last year’s $134,121, according to Salary.com Inc, Waltham, Massachusetts-based compensation experts.

The 10 jobs listed as comprising a mother’s work were housekeeper, cook, day care center teacher, laundry machine operator, van driver, facilities manager, janitor, computer operator, chief executive officer and psychologist, it said.

The typical mother puts in a 92-hour work week, it said, working 40 hours at base pay and 52 hours overtime.

A mother who holds full-time job outside the home would earn an additional $85,939 for the work she does at home, Salary.com.

Last year she would have earned $85,876 for her at-home work, it said.

Salary.com compiled the online responses of 26,000 stay-at-home mothers and 14,000 mothers who also work outside the home.

(Reporting by Ellen Wulfhorst)

Copyright © 2007 Reuters Limited. All rights reserved. Republication or redistribution of Reuters content is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon.