The SAS System                       00:05 Tuesday, February 14, 2006   1

                                                         The FREQ Procedure

                                                       Table of CHD by serum

                                       CHD       serum

                                       Frequency|
                                       Percent  |
                                       Row Pct  |
                                       Col Pct  |0-199   |200-199 |220-259 |260+    |  Total
                                       ---------+--------+--------+--------+--------+
                                       chd      |     12 |      8 |     31 |     41 |     92
                                                |   0.90 |   0.60 |   2.33 |   3.09 |   6.92
                                                |  13.04 |   8.70 |  33.70 |  44.57 |
                                                |   3.76 |   3.15 |   6.60 |  14.34 |
                                       ---------+--------+--------+--------+--------+
                                       nochd    |    307 |    246 |    439 |    245 |   1237
                                                |  23.10 |  18.51 |  33.03 |  18.43 |  93.08
                                                |  24.82 |  19.89 |  35.49 |  19.81 |
                                                |  96.24 |  96.85 |  93.40 |  85.66 |
                                       ---------+--------+--------+--------+--------+
                                       Total         319      254      470      286     1329
                                                   24.00    19.11    35.36    21.52   100.00


                                                Summary Statistics for CHD by serum

                                    Cochran-Mantel-Haenszel Statistics (Based on Ridit Scores)
 
                                  Statistic    Alternative Hypothesis    DF       Value      Prob
                                  ---------------------------------------------------------------
                                      1        Nonzero Correlation        1     27.8381    <.0001


                                                      Total Sample Size = 1329


                                                           The SAS System                       00:05 Tuesday, February 14, 2006   2

                                                         The FREQ Procedure

                                                       Table of CHD by serum

                                       CHD       serum

                                       Frequency|
                                       Percent  |
                                       Row Pct  |
                                       Col Pct  |0-199   |200-199 |220-259 |260+    |  Total
                                       ---------+--------+--------+--------+--------+
                                       chd      |     12 |      8 |     31 |     41 |     92
                                                |   0.90 |   0.60 |   2.33 |   3.09 |   6.92
                                                |  13.04 |   8.70 |  33.70 |  44.57 |
                                                |   3.76 |   3.15 |   6.60 |  14.34 |
                                       ---------+--------+--------+--------+--------+
                                       nochd    |    307 |    246 |    439 |    245 |   1237
                                                |  23.10 |  18.51 |  33.03 |  18.43 |  93.08
                                                |  24.82 |  19.89 |  35.49 |  19.81 |
                                                |  96.24 |  96.85 |  93.40 |  85.66 |
                                       ---------+--------+--------+--------+--------+
                                       Total         319      254      470      286     1329
                                                   24.00    19.11    35.36    21.52   100.00


                                                Summary Statistics for CHD by serum

                                    Cochran-Mantel-Haenszel Statistics (Based on Table Scores)
 
                                  Statistic    Alternative Hypothesis    DF       Value      Prob
                                  ---------------------------------------------------------------
                                      1        Nonzero Correlation        1     26.1475    <.0001
                                      2        Row Mean Scores Differ     1     26.1475    <.0001
                                      3        General Association        3     35.0021    <.0001


                                                      Total Sample Size = 1329