1970 Approximate Standard Errors (Tables G-H)

Characteristics	Factor	Characteristics	Factor
Race	1.1	Veteran status	0.8
Age	0.8	Disability	1.1
Household relationship	0.5	Families and subfamilies	0.6
Labor force status	0.8	Unrelated individual	1.3
Unemployed	1.1	Type of group quarters	0.6
Hours worked	0.8	Marital status	0.6
Weeks worked in 1969	0.8	Marital history	0.9
Year last worked	0.8	Activity 5 years ago	0.8
State of birth	1.3	Place of work	1.1
Country of origin	1.3	Means of transportation to work	1.1
Spanish origin or descent	1.3	Occupation	1.1
Mother tongue	1.5	Industry	1.1
Nativity and parentage	1.4	Class of worker	1.1
		Income
Year moved into present house	1.6	Persons	1.0
Residence in 1965	1.7	Families	1.0
Rural farm-nonfarm residence	1.7
		Poverty
School enrollment	0.8	Persons	1.8
Years of school completed	1.0	Families	1.1
Vocational training	0.8	All other	1.0

Table H. Factors to be Applied to Standard Errors for Tallies of Housing Units or Households

Characteristics	Factor	Characteristics	Factor
Inventory:		Structural Characteristics:
Urban-rural residence	0.3	Units in structure	0.8
Farm-nonfarm residence	0.7	Year structure built	0.9
		Basement	0.9
Occupancy Characteristics:		Equipment, Fuels, and Appliances:
Negro heads	0.9	Telephone available	0.6
Spanish heritage	0.8	Heating equipment	0.8
Tenure	0.2	House heating fuel	0.9
		Appliances	0.9
Vacancy Characteristics		Financial Characteristics:
Vacancy status	0.7	Value:
Duration of vacancy	0.8	Owner-occupied units	1.0
		Vacant for sale	1.0
Utilization Characteristics:		Contract rent:
Rooms	1.0	Renter-occupied units	1.0
Size of household (persons)	0.5	Vacant for rent	1.0
Persons per room	0.4	Gross rent	1.0
Bedrooms	1.0
Plumbing Characteristics:
Plumbing facilities	1.0
Piped waste	1.0
Flush toilet	1.0
Source of water	0.8
Sewage disposal	0.8
		A11 Other	1.0