Age Groups, interaction with sex category PLUS Education dummies, i.e.: MODEL: CON1= A_M_A1*WIN1*(SEX=M)*(AGE_GROUP=1)+ ... +A_M_A6*WIN1*(SEX=M)*(AGE_GROUP=6)+ A_F_A1*WIN1*(SEX=F)*(AGE_GROUP=1) + ... + A_F_A6*WIN1*(SEX=F)*(AGE_GROUP=6)+ A_Q1*(EDUC=1)+...+A_Q4*(EDUC=4) Number of observations = 456 E'PZ*E = .486289E-32 Standard Parameter Estimate Error t-statistic P-value A_M_A1 .217432 .171379 1.26872 [.205] A_M_A2 .537270 .109906 4.88844 [.000] A_M_A3 .138017 .024130 5.71982 [.000] A_M_A4 .294224 .217511 1.35268 [.176] A_M_A5 .482159 .161912 2.97790 [.003] A_M_A6 .730760 .131349 5.56349 [.000] A_F_A1 .380114 .234191 1.62310 [.105] A_F_A2 .561573 .159707 3.51628 [.000] A_F_A3 .269909 .182537 1.47865 [.139] A_F_A4 .331199 .157027 2.10918 [.035] A_F_A5 .490008 .166473 2.94346 [.003] A_F_A6 .049144 .104213 .471574 [.637] A_E1 4.95973 1.28291 3.86600 [.000] A_E2 3.70088 1.09900 3.36751 [.001] A_E3 4.30406 1.34101 3.20957 [.001] A_E4 6.85208 2.42051 2.83084 [.005] Standard Errors computed from heteroscedastic-consistent matrix (Robust-White) Dependent variable: CON1 Mean of dep. var. = 10.5024 Std. error of regression = 9.52791 Std. dev. of dep. var. = 11.2242 R-squared = .303172 Sum of squared residuals = 39943.7 Adjusted R-squared = .279417 Variance of residuals = 90.7811 Durbin-Watson = 1.84104 [<.222]