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TABLE B-15
1998 VERMONT RESIDENT BIRTHS
                                                  BIRTH WEIGHT IN GRAMS BY WEEKS GESTATION
                                                 NUMBER OF EVENTS AND CUMULATIVE ROW PERCENTS
 
                                                               BIRTH WEIGHT
                    
                                                              NUMBER OF EVENTS
                    
WEEKS OF               500-  1000-  1500-  2000-  2500-  3000   3500-  4000-  4500-  5000-
GESTATION*       <500  999   1499   1999   2499   2999   3499   3999   4499   4999   5499   5500+ UNKNOWN TOTAL
------------     ----  ----  -----  -----  -----  -----  -----  -----  -----  -----  -----  ----- ------- -----

UNDER 28 WEEKS     8    23     4      0      0       0      0      0      0      0      0      0      0      35
28-31 WEEKS        1     5    38     13      2       0      0      1      0      0      0      0      0      60
32-35 WEEKS        0     0    10     50     78      57     15      0      0      0      0      0      0     210
36 WEEKS           0     0     1      6     50      93     79      0      0      0      0      0      2     231
37-39 WEEKS        0     0     0      6    103     454   1136    815    191     36      1      2      1    2745
40 WEEKS           0     0     0      1      9     138    547    620    220     37      3      0      0    1575
41 WEEKS           0     0     0      0      1      61    304    450    180     37      5      0      0    1038
42+ WEEKS          0     0     0      3      1      46    199    225    109     23      1      0      0     607
UNKNOWN            0     3     1      7      9       0      6     11     18      7      2      0      4      68

TOTAL              9    31    54     86    253     849   2286   2122    718    140     12      2      7    6569

                                                 CUMULATIVE ROW PERCENTS - EXCLUDING UNKNOWNS
                    
WEEKS OF               500-  1000-  1500-  2000-   2500-   3000    3500-   4000-   4500-  5000-
GESTATION*       <500  999   1499   1999   2499    2999    3499    3999    4499    4999   5499    5500+
------------     ----  ----  -----  -----  -----   -----   -----   -----   -----   -----  -----   -----

UNDER 28 WEEKS   22.9  88.6  100.0  100.0  100.0   100.0   100.0   100.0   100.0   100.0  100.0   100.0
28-31 WEEKS       1.7  10.0   73.3   95.0   98.3    98.3    98.3   100.0   100.0   100.0  100.0   100.0
32-35 WEEKS       0.0   0.0    4.8   28.6   65.7    92.9   100.0   100.0   100.0   100.0  100.0   100.0
36 WEEKS          0.0   0.0    0.4    3.1   24.9    65.5   100.0   100.0   100.0   100.0  100.0   100.0
37-39 WEEKS       0.0   0.0    0.0    0.2    4.0    20.5    61.9    91.6    98.6    99.9   99.9   100.0
40 WEEKS          0.0   0.0    0.0    0.1    0.6     9.4    44.1    83.5    97.5    99.8  100.0   100.0
41 WEEKS          0.0   0.0    0.0    0.0    0.1     6.0    35.3    78.6    96.0    99.5  100.0   100.0
42+ WEEKS         0.0   0.0    0.0    0.5    0.7     8.2    41.0    78.1    96.0    99.8  100.0   100.0
UNKNOWN           0.0   4.7    6.3   17.2   31.3    31.3    40.6    57.8    85.9    96.9  100.0   100.0

TOTAL             0.1   0.6    1.4    2.7    6.6    19.5    54.4    86.7    97.7    99.8  100.0   100.0

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* SEE APPENDIX B FOR DATA QUALITY NOTES