- 1 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ ALL RACES 1/ TOTAL LIVE BIRTHS........ 3,880,894 28,005 46,398 204,232 157,965 1,793,421 851,729 458,145 302,541 38,458 INFANT DEATHS...... 27,919 11,504 2,288 2,515 1,058 5,471 2,013 1,107 1,032 931 INF. MORT. RATE.... 7.2 410.8 49.3 12.3 6.7 3.1 2.4 2.4 3.4 24.2 LESS THAN 2,500 GRAMS LIVE BIRTHS........ 292,069 26,924 34,928 95,231 32,805 75,206 11,414 5,418 6,340 3,803 INFANT DEATHS...... 18,036 11,483 2,184 1,828 506 1,106 225 116 140 448 INF. MORT. RATE.... 61.8 426.5 62.5 19.2 15.4 14.7 19.7 21.5 22.0 117.9 LESS THAN 500 GRAMS LIVE BIRTHS........ 5,994 5,538 232 21 2 6 3 - - 192 INFANT DEATHS...... 5,297 4,967 157 11 2 2 3 - - 155 INF. MORT. RATE.... 883.7 896.8 678.1 533.1 1018.2 334.8 1031.7 - - 804.9 500-749 GRAMS LIVE BIRTHS........ 10,653 9,000 1,239 104 7 17 6 1 4 275 INFANT DEATHS...... 5,295 4,741 362 35 2 5 1 - - 148 INF. MORT. RATE.... 497.0 526.8 292.3 341.0 286.4 300.6 171.6 - - 537.1 750-999 GRAMS LIVE BIRTHS........ 11,341 6,939 3,585 408 32 91 45 19 23 199 INFANT DEATHS...... 1,834 1,303 425 47 3 10 2 - - 44 INF. MORT. RATE.... 161.7 187.8 118.5 114.8 94.9 112.7 45.3 - - 220.0 1,000-1,249 GRAMS LIVE BIRTHS........ 12,735 2,882 6,853 2,030 136 381 96 67 88 202 INFANT DEATHS...... 954 305 416 147 14 30 4 7 8 21 INF. MORT. RATE.... 74.9 106.0 60.7 72.3 106.2 80.0 42.3 106.1 91.7 103.6 1,250-1,499 GRAMS LIVE BIRTHS........ 14,936 865 7,778 4,669 382 664 162 68 124 224 INFANT DEATHS...... 720 64 329 188 30 71 8 7 6 17 INF. MORT. RATE.... 48.2 73.5 42.2 40.3 79.8 106.9 49.9 104.7 49.4 75.2 - 2 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ ALL RACES 1/ 1,500-1,999 GRAMS LIVE BIRTHS........ 56,899 936 11,007 29,935 4,843 7,199 953 472 806 748 INFANT DEATHS...... 1,700 73 360 671 154 296 54 24 39 28 INF. MORT. RATE.... 29.9 77.8 32.7 22.4 31.8 41.1 56.7 51.9 48.1 37.5 2,000-2,499 GRAMS LIVE BIRTHS........ 179,511 764 4,234 58,064 27,403 66,848 10,149 4,791 5,295 1,963 INFANT DEATHS...... 2,237 31 135 728 300 691 153 78 87 36 INF. MORT. RATE.... 12.5 40.1 31.8 12.5 10.9 10.3 15.0 16.2 16.4 18.5 2,500-2,999 GRAMS LIVE BIRTHS........ 642,394 1,081 4,190 51,673 57,535 355,696 89,899 40,369 35,818 6,133 INFANT DEATHS...... 3,161 20 54 388 304 1,538 368 215 226 48 INF. MORT. RATE.... 4.9 18.8 12.8 7.5 5.3 4.3 4.1 5.3 6.3 7.8 3,000-3,499 GRAMS LIVE BIRTHS........ 1,435,825 - 4,788 36,504 46,039 744,366 322,786 157,902 110,275 13,165 INFANT DEATHS...... 3,693 - 34 218 163 1,725 756 397 349 52 INF. MORT. RATE.... 2.6 - 7.0 6.0 3.5 2.3 2.3 2.5 3.2 3.9 3,500-3,999 GRAMS LIVE BIRTHS........ 1,117,955 - 2,492 16,383 17,182 479,188 311,110 175,943 105,666 9,991 INFANT DEATHS...... 2,023 - 17 62 67 871 483 267 222 33 INF. MORT. RATE.... 1.8 - 6.9 3.8 3.9 1.8 1.6 1.5 2.1 3.3 4,000-4,499 GRAMS LIVE BIRTHS........ 331,020 - - 3,805 3,654 118,925 99,166 65,492 36,949 3,029 INFANT DEATHS...... 545 - - 12 10 193 156 92 75 7 INF. MORT. RATE.... 1.6 - - 3.2 2.8 1.6 1.6 1.4 2.0 2.4 4,500-4,999 GRAMS LIVE BIRTHS........ 53,963 - - 542 660 17,851 15,812 11,818 6,739 541 INFANT DEATHS...... 102 - - 5 7 31 21 17 16 3 INF. MORT. RATE.... 1.9 - - 9.4 10.8 1.8 1.3 1.5 2.4 5.8 - 3 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ ALL RACES 1/ 5,000 GRAMS OR MORE LIVE BIRTHS........ 5,942 - - 94 90 2,189 1,542 1,203 754 70 INFANT DEATHS...... 24 - - 1 - 8 3 3 3 6 INF. MORT. RATE.... 4.1 - - 10.7 - 3.7 2.0 2.5 4.0 88.5 NOT STATED LIVE BIRTHS........ 1,726 - - - - - - - - 1,726 INFANT DEATHS...... 334 - - - - - - - - 334 INF. MORT. RATE.... 193.4 - - - - - - - - 193.4 _____________________________________________________________________________________________________________ SEE FOOTNOTES AT END OF TABLE. - 4 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ WHITE TOTAL LIVE BIRTHS........ 3,072,640 16,204 30,326 145,634 118,679 1,417,786 693,618 378,151 243,494 28,748 INFANT DEATHS...... 18,549 6,846 1,531 1,764 729 4,030 1,495 831 764 561 INF. MORT. RATE.... 6.0 422.5 50.5 12.1 6.1 2.8 2.2 2.2 3.1 19.5 LESS THAN 2,500 GRAMS LIVE BIRTHS........ 198,981 15,643 23,025 67,420 23,096 51,718 7,655 3,727 4,297 2,400 INFANT DEATHS...... 11,370 6,830 1,457 1,295 344 821 163 83 98 279 INF. MORT. RATE.... 57.1 436.6 63.3 19.2 14.9 15.9 21.3 22.2 22.7 116.1 LESS THAN 500 GRAMS LIVE BIRTHS........ 3,315 3,045 139 13 - 5 2 - - 111 INFANT DEATHS...... 2,963 2,770 90 7 - 2 2 - - 92 INF. MORT. RATE.... 893.9 909.8 644.1 542.7 - 401.8 1039.5 - - 830.6 500-749 GRAMS LIVE BIRTHS........ 6,265 5,240 764 63 7 13 5 1 2 170 INFANT DEATHS...... 3,258 2,920 219 20 2 4 1 - - 91 INF. MORT. RATE.... 520.0 557.3 286.2 323.0 286.4 315.6 205.9 - - 536.6 750-999 GRAMS LIVE BIRTHS........ 7,048 4,224 2,292 264 19 67 34 14 20 114 INFANT DEATHS...... 1,213 851 289 32 2 8 1 - - 30 INF. MORT. RATE.... 172.1 201.4 126.0 119.8 106.6 122.8 29.7 - - 265.8 1,000-1,249 GRAMS LIVE BIRTHS........ 8,355 1,775 4,519 1,389 92 263 66 48 62 141 INFANT DEATHS...... 640 190 279 106 12 23 2 4 5 18 INF. MORT. RATE.... 76.7 107.2 61.8 76.6 133.9 88.8 30.7 85.1 81.6 125.5 1,250-1,499 GRAMS LIVE BIRTHS........ 9,979 473 5,222 3,222 265 435 104 47 77 134 INFANT DEATHS...... 527 38 242 145 22 56 6 4 3 11 INF. MORT. RATE.... 52.8 80.4 46.3 45.1 84.2 127.9 58.4 87.0 39.5 78.8 - 5 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ WHITE 1,500-1,999 GRAMS LIVE BIRTHS........ 39,047 482 7,527 20,776 3,311 4,911 668 322 561 489 INFANT DEATHS...... 1,214 41 243 486 109 230 41 19 30 15 INF. MORT. RATE.... 31.1 85.3 32.3 23.4 33.0 46.8 61.2 60.2 52.8 29.8 2,000-2,499 GRAMS LIVE BIRTHS........ 124,972 404 2,562 41,693 19,402 46,024 6,776 3,295 3,575 1,241 INFANT DEATHS...... 1,555 19 96 498 196 497 110 55 60 22 INF. MORT. RATE.... 12.4 48.1 37.5 12.0 10.1 10.8 16.2 16.8 16.8 17.8 2,500-2,999 GRAMS LIVE BIRTHS........ 459,862 561 2,434 36,781 42,609 254,863 63,968 29,145 25,363 4,138 INFANT DEATHS...... 2,216 15 38 265 217 1,079 260 152 157 34 INF. MORT. RATE.... 4.8 27.1 15.4 7.2 5.1 4.2 4.1 5.2 6.2 8.3 3,000-3,499 GRAMS LIVE BIRTHS........ 1,123,860 - 3,062 25,717 35,665 584,911 253,683 125,015 85,935 9,872 INFANT DEATHS...... 2,676 - 22 148 108 1,267 548 293 254 35 INF. MORT. RATE.... 2.4 - 7.3 5.8 3.0 2.2 2.2 2.3 3.0 3.6 3,500-3,999 GRAMS LIVE BIRTHS........ 944,629 - 1,805 12,193 13,673 404,710 264,930 150,316 88,854 8,148 INFANT DEATHS...... 1,578 - 14 43 48 684 376 210 178 26 INF. MORT. RATE.... 1.7 - 7.9 3.5 3.5 1.7 1.4 1.4 2.0 3.2 4,000-4,499 GRAMS LIVE BIRTHS........ 291,289 - - 3,008 3,026 104,171 87,897 58,241 32,347 2,599 INFANT DEATHS...... 437 - - 8 6 152 127 74 62 7 INF. MORT. RATE.... 1.5 - - 2.7 2.0 1.5 1.4 1.3 1.9 2.8 4,500-4,999 GRAMS LIVE BIRTHS........ 47,812 - - 436 529 15,565 14,138 10,640 6,037 467 INFANT DEATHS...... 82 - - 4 5 22 20 16 13 1 INF. MORT. RATE.... 1.7 - - 9.3 9.6 1.4 1.4 1.5 2.2 2.1 - 6 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ WHITE 5,000 GRAMS OR MORE LIVE BIRTHS........ 5,130 - - 79 81 1,848 1,347 1,067 661 47 INFANT DEATHS...... 14 - - 1 - 5 1 2 2 3 INF. MORT. RATE.... 2.8 - - 12.8 - 2.7 .7 1.9 3.1 66.7 NOT STATED LIVE BIRTHS........ 1,077 - - - - - - - - 1,077 INFANT DEATHS...... 176 - - - - - - - - 176 INF. MORT. RATE.... 163.1 - - - - - - - - 163.1 _____________________________________________________________________________________________________________ SEE FOOTNOTES AT END OF TABLE. - 7 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ BLACK TOTAL LIVE BIRTHS........ 599,913 10,736 14,040 48,350 31,026 273,351 113,749 58,647 44,745 5,269 INFANT DEATHS...... 8,186 4,257 666 645 275 1,166 424 224 216 312 INF. MORT. RATE.... 13.6 396.5 47.4 13.3 8.9 4.3 3.7 3.8 4.8 59.2 LESS THAN 2,500 GRAMS LIVE BIRTHS........ 78,207 10,285 10,498 23,341 7,949 18,941 3,066 1,411 1,716 1,000 INFANT DEATHS...... 5,968 4,253 637 455 135 241 46 26 38 137 INF. MORT. RATE.... 76.3 413.5 60.7 19.5 17.0 12.7 14.8 18.8 22.0 136.7 LESS THAN 500 GRAMS LIVE BIRTHS........ 2,484 2,319 88 6 2 1 - - - 68 INFANT DEATHS...... 2,170 2,047 64 4 2 - - - - 54 INF. MORT. RATE.... 873.8 882.7 723.0 690.1 1018.2 - - - - 789.7 500-749 GRAMS LIVE BIRTHS........ 3,990 3,441 425 35 - 2 1 - 1 85 INFANT DEATHS...... 1,834 1,641 132 14 - - - - - 47 INF. MORT. RATE.... 459.8 476.9 311.2 403.2 - - - - - 552.3 750-999 GRAMS LIVE BIRTHS........ 3,831 2,446 1,147 121 11 21 11 4 3 67 INFANT DEATHS...... 549 405 116 13 1 2 1 - - 11 INF. MORT. RATE.... 143.4 165.6 100.8 109.0 91.9 96.8 93.2 - - 171.0 1,000-1,249 GRAMS LIVE BIRTHS........ 3,831 981 2,046 550 39 98 27 19 23 48 INFANT DEATHS...... 275 100 119 37 2 7 2 3 3 2 INF. MORT. RATE.... 71.9 101.7 58.0 68.1 54.2 72.5 75.3 158.9 131.0 44.1 1,250-1,499 GRAMS LIVE BIRTHS........ 4,296 356 2,255 1,231 99 193 42 17 42 61 INFANT DEATHS...... 161 23 74 33 7 14 - 2 3 4 INF. MORT. RATE.... 37.4 65.8 32.9 26.4 72.0 74.3 - 118.5 73.3 66.5 - 8 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ BLACK 1,500-1,999 GRAMS LIVE BIRTHS........ 15,163 424 3,038 7,749 1,274 1,919 247 130 206 176 INFANT DEATHS...... 410 28 103 159 33 54 11 5 8 8 INF. MORT. RATE.... 27.0 67.1 33.8 20.5 26.3 28.0 45.0 39.3 39.6 46.7 2,000-2,499 GRAMS LIVE BIRTHS........ 44,612 318 1,499 13,649 6,524 16,707 2,738 1,241 1,441 495 INFANT DEATHS...... 568 8 30 195 89 164 31 16 24 10 INF. MORT. RATE.... 12.7 25.7 20.3 14.3 13.7 9.8 11.4 13.2 16.3 20.7 2,500-2,999 GRAMS LIVE BIRTHS........ 139,692 451 1,529 12,242 11,742 75,725 19,661 8,749 8,466 1,127 INFANT DEATHS...... 797 4 14 108 73 395 85 48 61 9 INF. MORT. RATE.... 5.7 9.2 9.2 8.9 6.2 5.2 4.3 5.5 7.2 8.2 3,000-3,499 GRAMS LIVE BIRTHS........ 227,482 - 1,436 8,804 8,079 114,667 49,975 24,274 18,583 1,664 INFANT DEATHS...... 824 - 11 62 48 348 175 90 79 10 INF. MORT. RATE.... 3.6 - 7.7 7.0 5.9 3.0 3.5 3.7 4.3 6.2 3,500-3,999 GRAMS LIVE BIRTHS........ 122,133 - 577 3,270 2,697 51,961 32,171 18,319 12,242 896 INFANT DEATHS...... 344 - 3 16 15 141 89 46 29 4 INF. MORT. RATE.... 2.8 - 5.3 5.0 5.7 2.7 2.8 2.5 2.4 4.5 4,000-4,499 GRAMS LIVE BIRTHS........ 27,343 - - 597 454 10,242 7,629 5,012 3,227 182 INFANT DEATHS...... 81 - - 2 2 31 26 13 6 - INF. MORT. RATE.... 3.0 - - 3.4 4.5 3.1 3.4 2.6 1.9 - 4,500-4,999 GRAMS LIVE BIRTHS........ 4,167 - - 84 98 1,580 1,115 802 456 32 INFANT DEATHS...... 14 - - 1 2 7 - - 2 2 INF. MORT. RATE.... 3.4 - - 12.1 20.9 4.5 - - 4.4 66.4 - 9 - DOCUMENTATION TABLE 3 LIVE BIRTHS, INFANT DEATHS, AND INFANT MORTALITY RATES BY BIRTH WEIGHT, RACE OF MOTHER, AND GESTATIONAL AGE: UNITED STATES, 1997 BIRTH COHORT DATA (INFANT DEATHS WEIGHTED) (RATES ARE PER 1000 LIVE BIRTHS) ___________________________________________________________________________________________________________________________________ | | GESTATION | _____________________________________________________________________________________________________________ BIRTH WEIGHT | | | | | | | | | | | | <28 | 28-31 | 32-35 | 36 | 37-39 | 40 | 41 | 42 WEEKS | NOT | TOTAL | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | WEEKS | OR MORE | STATED | | | | | | | | | | ___________________________________________________________________________________________________________________________________ BLACK 5,000 GRAMS OR MORE LIVE BIRTHS........ 530 - - 12 7 235 132 80 55 9 INFANT DEATHS...... 9 - - - - 3 2 1 1 2 INF. MORT. RATE.... 17.3 - - - - 12.9 15.5 13.0 18.2 228.4 NOT STATED LIVE BIRTHS........ 359 - - - - - - - - 359 INFANT DEATHS...... 148 - - - - - - - - 148 INF. MORT. RATE.... 411.0 - - - - - - - - 411.0 ___________________________________________________________________________________________________________________________________ 1/ INCLUDES RACES OTHER THAN WHITE AND BLACK - DATA NOT AVAILABLE.