From: Racial disparities in infant mortality: what has birth weight got to do with it and how large is it?
Birth Cohort | Eur. Am. F. | Af. Am. F. | Eur. Am. M. | Af. Am. M. | ||||
---|---|---|---|---|---|---|---|---|
 | estimate | LCI UCI | estimate | LCI UCI | estimate | LCI UCI | estimate | LCI UCI |
"Normal" Subpopulation | ||||||||
   Proportion (%) | 94.0 | (93.5; 94.3) | 90.7 | (90.5; 91.0) | 93.2 | (92.7; 93.6) | 90.6 | (90.5; 90.8) |
   Mean (g) | 3380 | (3378; 3382) | 3169 | (3168; 3170) | 3509 | (3507; 3512) | 3288 | (3287; 3289) |
   Standard Deviation (g) | 455 | (453; 457) | 455 | (454; 457) | 474 | (472; 476) | 472 | (471; 473) |
   LBW Rate (%) | 2.8 | (2.7; 2.9) | 7.0 | (6.9; 7.0) | 1.8 | (1.7; 1.9) | 4.8 | (4.7; 4.9) |
   Death Rate # | 2.3 | (2.1; 2.6) | 4.4 | (4.2; 4.5) | 2.9 | (2.7; 3.2) | 5.2 | (5.0; 5.4) |
   Percent of Total DR (%) | 63.1 | (58.2; 67.8) | 54.7 | (53.5; 56.1) | 60.5 | (55.6; 65.0) | 49.0 | (47.5; 50.5) |
"Compromised" Subpopulation | ||||||||
   Proportion (%) | 6.0 | (5.7; 6.5) | 9.3 | (9.0; 9.5) | 6.8 | (6.4; 7.3) | 9.4 | (9.2; 9.5) |
   Mean (g) | 2678 | (2630; 2730) | 2039 | (1995; 2072) | 2739 | (2684; 2785) | 2034 | (1995; 2072) |
   Standard Deviation (g) | 1098 | (1067; 1126) | 1303 | (1289; 1320) | 1098 | (1076; 1121) | 1336 | (1323; 1350) |
   LBW Rate (%) | 42.3 | (40.4; 43.8) | 58.5 | (57.7; 59.2) | 40.4 | (38.7; 42.4) | 58.3 | (57.5; 59.1) |
   Death Rate # | 21.2 | (18.3; 24.9) | 35.5 | (33.7; 37.1) | 26.3 | (23.0; 30.0) | 52.4 | (50.3; 55.0) |
   Percent of Total DR (%) | 36.9 | (32.2; 41.8) | 45.2 | (43.9; 46.5) | 39.5 | (35.0; 44.4) | 51.0 | (49.5; 52.5) |
Total Population | ||||||||
   LBW Rate (%) | 5.2 | (5.1; 5.3) | 11.8 | (11.7; 11.9) | 4.5 | (4.4; 4.6) | 9.8 | (9.8; 9.9) |
   Death Rate # | 3.5 | (3.2; 3.7) | 7.3 | (7.1; 7.4) | 4.5 | (4.3; 4.8) | 9.6 | (9.4; 9.9) |