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Comparing NLS, PSID and SIPP
|
National Longitudinal Surveys (NLS) |
Panel Study of Income Dynamics (PSID) |
Survey of Income & Program Participation (SIPP) |
Starting date |
1966 |
1968 |
1983 (data begins with 1984) * |
Sample |
National, including military |
1) National, 2) households at or below 150% poverty line, Latino |
National, noninstitutionalized |
Periodicity of interviews |
Some biennial, some annual |
Annual |
Monthly |
Survey design |
Longitudinal |
Longitudinal |
Multistage (panels of 2 1/2 to 4 years duration) |
Labor force information, employment |
Y |
Y |
Y |
Job training |
Y |
Y |
Y |
Retirement decisions |
Y |
Y |
|
Income sources |
Y |
Y |
Y |
Household earnings |
Y |
Y |
Y |
Pensions |
Y |
Y |
Y |
Government assistance |
Y (Public assistance) |
Y (Public assistance) |
Y (Benefits programs) |
Schooling, education |
Y |
Y |
Y |
Marriage |
Y |
Y |
Y |
Fertility |
Y |
Y |
|
Child care |
Y |
Y |
Y |
Child development |
Y |
|
|
Food expenditures |
|
Y |
|
Transportation |
Y |
Y |
Y (Assistance) |
Car ownership |
Y |
Y |
Y |
Car and home maintenance |
|
Y |
|
Health |
Y |
Y |
Y |
Medical expenditures |
|
Y |
|
Private health insurance |
Y |
Y |
Y |
Drug & alcohol use |
Y |
Y |
|
|
|
|
*Predecessor program (1977-1981) was Income Survey Development Program (ISDP) |