The SAS System 1 21:50 Tuesday, March 2, 2004 The CONTENTS Procedure Data Set Name: WORK.H_SPENDING Observations: 9507 Member Type: DATA Variables: 7 Engine: V8 Indexes: 0 Created: 21:50 Tuesday, March 2, 2004 Observation Length: 56 Last Modified: 21:50 Tuesday, March 2, 2004 Deleted Observations: 0 Protection: Compressed: NO Data Set Type: Sorted: NO Label: -----Engine/Host Dependent Information----- Data Set Page Size: 8192 Number of Data Set Pages: 66 First Data Page: 1 Max Obs per Page: 145 Obs in First Data Page: 115 Number of Data Set Repairs: 0 File Name: /usr/tmp/SAS_work50E8000008CF_atlantis. heinz.cmu.edu/h_spending.sas7bdat Release Created: 8.0202M0 Host Created: SunOS Inode Number: 729612 Access Permission: rw-r--r-- Owner Name: wilibear File Size (bytes): 548864 -----Alphabetic List of Variables and Attributes----- # Variable Type Len Pos ----------------------------------- 1 age Num 8 0 4 employed Num 8 24 6 health Num 8 40 3 income Num 8 16 5 insured Num 8 32 2 sex Num 8 8 7 spending Num 8 48 The SAS System 2 21:50 Tuesday, March 2, 2004 The MEANS Procedure Variable N Mean Std Dev Minimum Maximum -------------------------------------------------------------------------------- age 9507 41.4276849 11.2859335 19.0000000 64.0000000 sex 9507 0.4638687 0.4987191 0 1.0000000 income 9507 25014.62 23163.32 0 173362.60 employed 9507 0.7642790 0.4244709 0 1.0000000 insured 9507 0.8361208 0.3701854 0 1.0000000 health 9507 2.2481330 1.0967146 1.0000000 5.0000000 spending 9507 1852.18 7850.16 0 427086.00 -------------------------------------------------------------------------------- The SAS System 3 21:50 Tuesday, March 2, 2004 The CORR Procedure 7 Variables: age sex income employed insured health spending Simple Statistics Variable N Mean Std Dev Sum Minimum Maximum age 9507 41.42768 11.28593 393853 19.00000 64.00000 sex 9507 0.46387 0.49872 4410 0 1.00000 income 9507 25015 23163 237813984 0 173363 employed 9507 0.76428 0.42447 7266 0 1.00000 insured 9507 0.83612 0.37019 7949 0 1.00000 health 9507 2.24813 1.09671 21373 1.00000 5.00000 spending 9507 1852 7850 17608708 0 427086 Pearson Correlation Coefficients, N = 9507 Prob > |r| under H0: Rho=0 age sex income employed insured health spending age 1.00000 0.00527 0.13404 -0.08860 0.10846 0.12547 0.06363 0.6075 <.0001 <.0001 <.0001 <.0001 <.0001 sex 0.00527 1.00000 0.18565 0.19606 -0.04233 -0.06391 -0.02567 0.6075 <.0001 <.0001 <.0001 <.0001 0.0123 income 0.13404 0.18565 1.00000 0.39822 0.20329 -0.22864 -0.02115 <.0001 <.0001 <.0001 <.0001 <.0001 0.0392 employed -0.08860 0.19606 0.39822 1.00000 0.07749 -0.27477 -0.10151 <.0001 <.0001 <.0001 <.0001 <.0001 <.0001 insured 0.10846 -0.04233 0.20329 0.07749 1.00000 -0.07732 0.06742 <.0001 <.0001 <.0001 <.0001 <.0001 <.0001 health 0.12547 -0.06391 -0.22864 -0.27477 -0.07732 1.00000 0.12305 <.0001 <.0001 <.0001 <.0001 <.0001 <.0001 spending 0.06363 -0.02567 -0.02115 -0.10151 0.06742 0.12305 1.00000 <.0001 0.0123 0.0392 <.0001 <.0001 <.0001 The SAS System 4 21:50 Tuesday, March 2, 2004 The FREQ Procedure Cumulative Cumulative health Frequency Percent Frequency Percent ----------------------------------------------------------- 1 2893 30.43 2893 30.43 2 2969 31.23 5862 61.66 3 2368 24.91 8230 86.57 4 947 9.96 9177 96.53 5 330 3.47 9507 100.00 The SAS System 5 21:50 Tuesday, March 2, 2004 The REG Procedure Model: MODEL1 Dependent Variable: spending Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 6 16491401376 2748566896 45.86 <.0001 Error 9500 5.693159E11 59927993 Corrected Total 9506 5.858073E11 Root MSE 7741.31728 R-Square 0.0282 Dependent Mean 1852.18344 Adj R-Sq 0.0275 Coeff Var 417.95629 Parameter Estimates Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 -1095.56975 420.87632 -2.60 0.0093 income 1 0.00554 0.00394 1.41 0.1592 age 1 22.84424 7.28256 3.14 0.0017 sex 1 -47.53066 164.10932 -0.29 0.7721 employed 1 -1502.02971 211.97755 -7.09 <.0001 insured 1 1588.16996 220.84514 7.19 <.0001 health 1 758.34313 76.76672 9.88 <.0001 Covariance of Estimates Variable Intercept income age sex Intercept 177136.87675 0.1114628833 -1918.063611 -8967.842084 income 0.1114628833 0.0000154915 -0.005216933 -0.083301118 age -1918.063611 -0.005216933 53.035648751 -9.33097208 sex -8967.842084 -0.083301118 -9.33097208 26931.868095 employed -39339.19482 -0.28802548 195.61516066 -4635.655194 insured -33785.095 -0.148744796 -144.5350896 3033.3963902 health -14094.42407 0.0446100567 -76.91197515 -21.37550542 Covariance of Estimates Variable employed insured health Intercept -39339.19482 -33785.095 -14094.42407 income -0.28802548 -0.148744796 0.0446100567 age 195.61516066 -144.5350896 -76.91197515 sex -4635.655194 3033.3963902 -21.37550542 employed 44934.482246 -555.9954496 2985.9866902 insured -555.9954496 48772.576396 770.29170074 health 2985.9866902 770.29170074 5893.1289208