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TABLE B-23
1998 VERMONT RESIDENT BIRTHS
MONTH PRENATAL CARE BEGAN BY AGE OF MOTHER
NUMBER OF EVENTS AND CUMULATIVE ROW PERCENTS
MONTH PRENATAL CARE BEGAN*
AGE OF
MOTHER FIRST SECOND THIRD FOURTH FIFTH SIXTH SEVENTH EIGHTH NINTH NONE UNKNOWN TOTAL
------------ ------ ------ ------ ------ ------ ------ ------- ------ ------ ------ ------- ------
<15 YEARS 0 1 1 0 1 0 1 0 0 0 1 5
15 YEARS 0 3 3 2 1 0 0 0 0 0 2 11
16 YEARS 1 16 11 6 1 2 1 1 0 0 5 44
17 YEARS 6 32 23 9 5 8 3 0 2 0 3 91
18 YEARS 12 49 41 15 7 3 1 4 0 2 12 146
19 YEARS 18 91 49 28 10 6 1 1 1 4 13 222
(15-19 YRS) ( 37) ( 191) ( 127) ( 60) ( 24) ( 19) ( 6) ( 6) ( 3) ( 6) ( 35) ( 514)
20 YEARS 32 104 78 22 12 8 3 3 3 3 15 283
21 YEARS 30 118 65 21 15 8 1 3 1 0 23 285
22 YEARS 30 137 53 21 12 4 7 0 0 0 20 284
23 YEARS 28 175 57 27 9 4 3 2 5 2 9 321
24 YEARS 23 146 69 22 11 4 2 0 0 1 17 295
(20-24 YRS) ( 143) ( 680) ( 322) ( 113) ( 59) ( 28) ( 16) ( 8) ( 9) ( 6) ( 84) (1468)
25-29 YRS 222 990 432 104 47 17 13 7 5 3 51 1891
30-34 YRS 201 909 380 70 24 21 13 7 4 2 55 1686
35-39 YRS 104 435 189 43 11 9 8 0 1 2 24 826
40-44 YRS 21 72 51 13 4 3 0 0 0 0 9 173
45+ YEARS 2 0 2 2 0 0 0 0 0 0 0 6
UNKNOWN 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 730 3278 1504 405 170 97 57 28 22 19 259 6569
CUMULATIVE ROW PERCENTS - EXCLUDING UNKNOWNS AGE OF MOTHER FIRST SECOND THIRD FOURTH FIFTH SIXTH SEVENTH EIGHTH NINTH NONE ------------ ------ ------ ------- ------- ------- ----- ------- ------- ------- ------ <15 YEARS 0.0 25.0 50.0 50.0 75.0 75.0 100.0 100.0 100.0 100.0 15 YEARS 0.0 33.3 66.7 88.9 100.0 100.0 100.0 100.0 100.0 100.0 16 YEARS 2.6 43.6 71.8 87.2 89.7 94.9 97.4 100.0 100.0 100.0 17 YEARS 6.8 43.2 69.3 79.5 85.2 94.3 97.7 97.7 100.0 100.0 18 YEARS 9.0 45.5 76.1 87.3 92.5 94.8 95.5 98.5 98.5 100.0 19 YEARS 8.6 52.2 75.6 89.0 93.8 96.7 97.1 97.6 98.1 100.0 (15-19 YRS) ( 7.7) ( 47.6) ( 74.1) ( 86.6) ( 91.6) ( 95.6) ( 96.9) ( 98.1) ( 98.7) (100.0) 20 YEARS 11.9 50.7 79.9 88.1 92.5 95.5 96.6 97.8 98.9 100.0 21 YEARS 11.5 56.5 81.3 89.3 95.0 98.1 98.5 99.6 100.0 100.0 22 YEARS 11.4 63.3 83.3 91.3 95.8 97.3 100.0 100.0 100.0 100.0 23 YEARS 9.0 65.1 83.3 92.0 94.9 96.2 97.1 97.8 99.4 100.0 24 YEARS 8.3 60.8 85.6 93.5 97.5 98.9 99.6 99.6 99.6 100.0 (20-24 YRS) ( 10.3) ( 59.5) ( 82.7) ( 90.9) ( 95.2) ( 97.2) ( 98.3) ( 98.9) ( 99.6) (100.0) 25-29 YRS 12.1 65.9 89.3 95.0 97.6 98.5 99.2 99.6 99.8 100.0 30-34 YRS 12.3 68.1 91.4 95.6 97.1 98.4 99.2 99.6 99.9 100.0 35-39 YRS 13.0 67.2 90.8 96.1 97.5 98.6 99.6 99.6 99.8 100.0 40-44 YRS 12.8 56.7 87.8 95.7 98.2 100.0 100.0 100.0 100.0 100.0 45+ YEARS 33.3 33.3 66.7 100.0 100.0 100.0 100.0 100.0 100.0 100.0 UNKNOWN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL 11.6 63.5 87.4 93.8 96.5 98.0 98.9 99.4 99.7 100.0 * SEE APPENDIX B FOR DATA QUALITY NOTES. Table of Contents