test whether the coefficients varies significantly across genders (Chow test)

Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR GDHLTH YNGKID PROT BLACK 3663.404 -0.219469 -18.27716 24.52399 -0.262401 -43.14668 2.431279 -123.7909 39.02518 90.87065 -110.6501 351.1339 0.027788 8.551277 16.19985 0.189672 82.71011 3.133683 80.75483 67.72077 47.98697 114.4094 10.43307 -7.897961 -2.137361 1.513841 -1.383442 -0.521662 0.775853 -1.532922 0.576266 1.893653 -0.967141 0.0000 0.0000 0.0332 0.1309 0.1673 0.6022 0.4383 0.1261 0.5648 0.0590 0.3341 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.196678 Mean dependent var 0.176027 S.D. dependent var 446.7798 Akaike info criterion 77649133 Schwarz criterion -3002.825 Hannan-Quinn criter. 9.523924 Durbin-Watson stat 0.000000 3360.430 492.1948 15.06912 15.17889 15.11259 1.995844 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR MALE GDHLTH YNGKID PROT BLACK 3875.975 -0.198903 -14.30299 1.855407 0.021927 16.03538 -2.586296 99.42258 -94.15892 -35.42205 86.15019 -69.16921 271.3820 0.020412 6.709312 12.80078 0.151278 57.26547 2.311060 39.07424 59.16194 56.44194 37.45387 80.62239 14.28236 -9.744249 -2.131811 0.144945 0.144946 0.280018 -1.119095 2.544454 -1.591546 -0.627584 2.300168 -0.857940 0.0000 0.0000 0.0334 0.8848 0.8848 0.7795 0.2635 0.0112 0.1119 0.5305 0.0217 0.3912 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.154755 Mean dependent var 0.141357 S.D. dependent var 462.4317 Akaike info criterion 1.48E+08 Schwarz criterion -5328.087 Hannan-Quinn criter. 11.55122 Durbin-Watson stat 0.000000 3383.084 499.0469 15.12773 15.20523 15.15767 1.982883 Sample: 1 706 IF MALE=0 Included observations: 306 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR GDHLTH YNGKID PROT BLACK 4226.604 -0.169054 -9.088417 -24.81427 0.349942 92.50228 -7.623423 -59.65713 -152.9959 93.96560 -43.94968 442.2634 0.031067 10.83372 21.17039 0.253138 82.19551 3.486420 89.05199 102.6027 60.03813 115.6252 9.556757 -5.441630 -0.838901 -1.172122 1.382412 1.125393 -2.186605 -0.669914 -1.491149 1.565099 -0.380105 0.0000 0.0000 0.4022 0.2421 0.1679 0.2613 0.0296 0.5034 0.1370 0.1186 0.7041 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.137036 0.107783 479.0359 67695244 -2317.157 4.684525 0.000003 Mean dependent var S.D. dependent var Akaike info criterion Schwarz criterion Hannan-Quinn criter. Durbin-Watson stat 3412.696 507.1459 15.21671 15.35057 15.27025 1.923977 Sample: 1 706 Included observations: 706 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR GDHLTH YNGKID PROT BLACK 3854.988 -0.178692 -13.64218 2.052251 0.024759 37.20499 -2.599586 -95.04036 -19.45391 79.42958 -76.38262 272.3228 0.018877 6.730635 12.85086 0.151868 56.88056 2.320138 59.39346 56.31244 37.50747 80.88923 14.15595 -9.465923 -2.026878 0.159698 0.163029 0.654090 -1.120445 -1.600182 -0.345464 2.117700 -0.944287 0.0000 0.0000 0.0431 0.8732 0.8705 0.5133 0.2629 0.1100 0.7299 0.0346 0.3454 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.146869 0.134594 464.2493 1.50E+08 -5331.365 11.96467 0.000000 Mean dependent var S.D. dependent var Akaike info criterion Schwarz criterion Hannan-Quinn criter. Durbin-Watson stat 3383.084 499.0469 15.13418 15.20522 15.16163 1.979027 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR GDHLTH YNGKID PROT BLACK 3663.404 -0.219469 -18.27716 24.52399 -0.262401 -43.14668 2.431279 -123.7909 39.02518 90.87065 -110.6501 351.1339 0.027788 8.551277 16.19985 0.189672 82.71011 3.133683 80.75483 67.72077 47.98697 114.4094 10.43307 -7.897961 -2.137361 1.513841 -1.383442 -0.521662 0.775853 -1.532922 0.576266 1.893653 -0.967141 0.0000 0.0000 0.0332 0.1309 0.1673 0.6022 0.4383 0.1261 0.5648 0.0590 0.3341 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.196678 Mean dependent var 0.176027 S.D. dependent var 446.7798 Akaike info criterion 77649133 Schwarz criterion -3002.825 Hannan-Quinn criter. 9.523924 Durbin-Watson stat 0.000000 3360.430 492.1948 15.06912 15.17889 15.11259 1.995844 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR MALE GDHLTH YNGKID PROT BLACK 3875.975 -0.198903 -14.30299 1.855407 0.021927 16.03538 -2.586296 99.42258 -94.15892 -35.42205 86.15019 -69.16921 271.3820 0.020412 6.709312 12.80078 0.151278 57.26547 2.311060 39.07424 59.16194 56.44194 37.45387 80.62239 14.28236 -9.744249 -2.131811 0.144945 0.144946 0.280018 -1.119095 2.544454 -1.591546 -0.627584 2.300168 -0.857940 0.0000 0.0000 0.0334 0.8848 0.8848 0.7795 0.2635 0.0112 0.1119 0.5305 0.0217 0.3912 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.154755 Mean dependent var 0.141357 S.D. dependent var 462.4317 Akaike info criterion 1.48E+08 Schwarz criterion -5328.087 Hannan-Quinn criter. 11.55122 Durbin-Watson stat 0.000000 3383.084 499.0469 15.12773 15.20523 15.15767 1.982883 Sample: 1 706 IF MALE=0 Included observations: 306 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR GDHLTH YNGKID PROT BLACK 4226.604 -0.169054 -9.088417 -24.81427 0.349942 92.50228 -7.623423 -59.65713 -152.9959 93.96560 -43.94968 442.2634 0.031067 10.83372 21.17039 0.253138 82.19551 3.486420 89.05199 102.6027 60.03813 115.6252 9.556757 -5.441630 -0.838901 -1.172122 1.382412 1.125393 -2.186605 -0.669914 -1.491149 1.565099 -0.380105 0.0000 0.0000 0.4022 0.2421 0.1679 0.2613 0.0296 0.5034 0.1370 0.1186 0.7041 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.137036 0.107783 479.0359 67695244 -2317.157 4.684525 0.000003 Mean dependent var S.D. dependent var Akaike info criterion Schwarz criterion Hannan-Quinn criter. Durbin-Watson stat 3412.696 507.1459 15.21671 15.35057 15.27025 1.923977 Sample: 1 706 Included observations: 706 Variable Coefficient Std. Error t-Statistic Prob. TOTWRK EDUC AGE AGESQ MARR YRSMARR GDHLTH YNGKID PROT BLACK 3854.988 -0.178692 -13.64218 2.052251 0.024759 37.20499 -2.599586 -95.04036 -19.45391 79.42958 -76.38262 272.3228 0.018877 6.730635 12.85086 0.151868 56.88056 2.320138 59.39346 56.31244 37.50747 80.88923 14.15595 -9.465923 -2.026878 0.159698 0.163029 0.654090 -1.120445 -1.600182 -0.345464 2.117700 -0.944287 0.0000 0.0000 0.0431 0.8732 0.8705 0.5133 0.2629 0.1100 0.7299 0.0346 0.3454 R-squared Adjusted R-squared S.E. of regression Sum squared resid Log likelihood F-statistic Prob(F-statistic) 0.146869 0.134594 464.2493 1.50E+08 -5331.365 11.96467 0.000000 Mean dependent var S.D. dependent var Akaike info criterion Schwarz criterion Hannan-Quinn criter. Durbin-Watson stat 3383.084 499.0469 15.13418 15.20522 15.16163 1.979027