Standard Errors
Defined contribution retirement plans: Selected attributes

Table 8. Standard errors for defined contribution retirement plans: Selected
attributes, civilian workers,1 National Compensation Survey, March 2011

Characteristics

Employee contribution

Employee contribution
option

Required

Not required

Pretax

Not pretax

All workers

0.8

0.8

0.6

0.6

Worker characteristics

       

Management, professional, and related

1.1

1.1

0.9

0.9

    Management, business, and financial

1.3

1.3

1.0

1.0

    Professional and related

1.3

1.3

1.1

1.1

        Teachers

3.2

3.2

2.8

2.8

            Primary, secondary, and special education
             school teachers

5.2

5.2

5.7

5.7

        Registered nurses

2.6

2.6

2.0

2.0

Service

2.0

2.0

1.7

1.7

    Protective service

4.0

4.0

3.6

3.6

Sales and office

1.0

1.0

1.1

1.1

    Sales and related

1.6

1.6

1.9

1.9

    Office and administrative support

1.2

1.2

1.0

1.0

Natural resources, construction, and maintenance

1.6

1.6

1.3

1.3

    Construction, extraction, farming, fishing, and
     forestry

2.8

2.8

2.3

2.3

    Installation, maintenance, and repair

1.8

1.8

1.5

1.5

Production, transportation, and material moving

1.3

1.3

1.0

1.0

    Production

1.6

1.6

1.3

1.3

    Transportation and material moving

1.9

1.9

1.6

1.6

Full time

0.8

0.8

0.6

0.6

Part time

2.0

2.0

1.8

1.8

Union

2.3

2.3

2.1

2.1

Nonunion

0.8

0.8

0.7

0.7

Average wage within the following categories:2

       

    Lowest 25 percent

1.5

1.5

1.5

1.5

        Lowest 10 percent

3.4

3.4

2.3

2.3

    Second 25 percent

1.3

1.3

1.2

1.2

    Third 25 percent

0.9

0.9

0.8

0.8

    Highest 25 percent

1.1

1.1

0.8

0.8

        Highest 10 percent

1.5

1.5

1.1

1.1

Establishment characteristics

       

Goods-producing industries

1.1

1.1

1.0

1.0

Service-providing industries

0.9

0.9

0.7

0.7

    Education and health services

1.9

1.9

1.6

1.6

        Educational services

2.7

2.7

2.4

2.4

            Elementary and secondary schools

5.0

5.0

5.5

5.5

            Junior colleges, colleges, and universities

3.1

3.1

2.3

2.3

        Health care and social assistance

2.2

2.2

2.0

2.0

            Hospitals

1.9

1.9

1.5

1.5

    Public administration

5.0

5.0

3.6

3.6

1 to 99 workers

1.2

1.2

1.1

1.1

    1 to 49 workers

1.5

1.5

1.3

1.3

    50 to 99 workers

2.0

2.0

1.8

1.8

100 workers or more

0.9

0.9

0.8

0.8

    100 to 499 workers

1.1

1.1

1.1

1.1

    500 workers or more

1.2

1.2

1.0

1.0

Geographic areas

       

New England

4.6

4.6

2.2

2.2

Middle Atlantic

2.4

2.4

2.1

2.1

East North Central

1.2

1.2

1.5

1.5

West North Central

1.8

1.8

2.3

2.3

South Atlantic

1.8

1.8

1.7

1.7

East South Central

2.2

2.2

2.0

2.0

West South Central

2.1

2.1

1.6

1.6

Mountain

4.2

4.2

2.3

2.3

Pacific

2.2

2.2

1.4

1.4

1Includes workers in the private nonfarm economy except those in private households, and workers in the public
sector, except the federal government. See Technical Note for further explanation.

2The categories are based on the average wage for each occupation surveyed, which may include workers with
earnings both above and below the threshold. The average wages are based on the estimates published in the "National
Compensation Survey: Occupational Earnings in the United States, 2010." See Technical Note for more details.


NOTE: For definitions of major plans, key provisions, and related terms, see the "Glossary of Employee Benefit Terms" at
www.bls.gov/ncs/ebs/glossary20102011.htm.