Table B-6. SIPP Generalized Variance Combined Parameters for Wave 6 of the 1990 Panel and Wave 3 of the 1991 Panel Characteristics * a b f PERSONS Total or White Health and disability (2).......... -0.0000208 5001 0.66 16+ program participation and benefits, poverty (1) Both sexes........................ -0.0000559 9175 0.90 Male ............................. -0.0001161 9175 0.90 Female ........................... -0.0001077 9175 0.90 16+ income and labor force (3) Both sexes........................ -0.0000169 3128 0.52 Male ............................. _0.0000354 3128 0.52 Female ........................... _0.0000324 3128 0.52 All others ** (4) Both sexes.......................... _0.0000472 11376 1.00 Male ............................... _0.0000972 11376 1.00 Female ............................. _0.0000917 11376 1.00 Black All Both sexes....................... -0.0001432 4209 0.61 Male ............................ -0.0003060 4209 0.61 Female .......................... -0.0002693 4209 0.61 HOUSEHOLDS Total or White...................... -0.0000418 3866 1.00 Black............................... -0.0002546 2671 0.83 * - For cross-tabulations, use the parameters of the characteristic with the smaller number within parentheses, unless that characteristic is "All others", then use the parameters of the other characteristic in cross classification. ** - Use the "All others" parameters for retirement tabulations, 0+ program participation, 0+ benefits, 0+ income, and 0+ labor force tabulations, in addition to any other types of tabulations not specifically covered by another characteristic in this table (where 0+ refers to persons of all ages).