Table of Contents

TABLE B-15
1997 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    20      4      0      0      0      0      0      0      0      0     0      2      34
28-31 WEEKS        0     0     19     19      2      0      0      0      0      0      0     0      1      41
32-35 WEEKS        0     0     10     48     93     52     16      0      0      0      0     0      1     220
36 WEEKS           0     0      0      6     31     76     51      1      0      0      0     0      0     165
37-39 WEEKS        0     0      1      7    111    495   1170    771    159     28      4     0      2    2748
40 WEEKS           0     0      0      0     15    158    563    626    221     39      7     1      4    1634
41 WEEKS           0     0      0      0      0     65    312    442    172     28      1     0      0    1020
42+ WEEKS          0     0      0      0      3     80    220    261     93     14      3     0      3     677
UNKNOWN            0     0      1      7      7      3      2     19     12      4      0     0      8      63

TOTAL              8    20     35     87    262    929   2334   2120    657    113     15     1     21    6602

                                     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   25.0   87.5  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0
28-31 WEEKS       0.0    0.0   47.5   95.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0  100.0
32-35 WEEKS       0.0    0.0    4.6   26.5   68.9   92.7  100.0  100.0  100.0  100.0  100.0  100.0
36 WEEKS          0.0    0.0    0.0    3.6   22.4   68.5   99.4  100.0  100.0  100.0  100.0  100.0
37-39 WEEKS       0.0    0.0    0.0    0.3    4.3   22.4   65.0   93.0   98.8   99.9  100.0  100.0
40 WEEKS          0.0    0.0    0.0    0.0    0.9   10.6   45.2   83.6   97.1   99.5   99.9  100.0
41 WEEKS          0.0    0.0    0.0    0.0    0.0    6.4   37.0   80.3   97.2   99.9  100.0  100.0
42+ WEEKS         0.0    0.0    0.0    0.0    0.4   12.3   45.0   83.7   97.5   99.6  100.0  100.0
UNKNOWN           0.0    0.0    1.8   14.5   27.3   32.7   36.4   70.9   92.7  100.0  100.0  100.0

TOTAL             0.1    0.4    1.0    2.3    6.3   20.4   55.8   88.1   98.0   99.8  100.0  100.0
                    
* SEE APPENDIX B FOR DATA QUALITY NOTES.

Table of Contents