Prevalence of birth weight by categories among the live births who had birth weight available for select characteristics in the Indian state of Bihar for live births between October 2018 and September 2019
| Prevalence per 100 live births (95% CI) | |||||
| Birth weight ≥2500 g | Birth weight <2500 g | Birth weight 2000–2499 g | Birth weight 1500–1999 g | Birth weight <1500 g | |
| Overall | 81.6 (80.3 to 82.9) | 18.4 (17.1 to 19.7) | 12.8 (11.8 to 13.9) | 4.1 (3.5 to 4.8) | 1.5 (1.1 to 1.9) |
| Maternal age (years)* | |||||
| 15–19 | 73.0 (68.4 to 77.1) | 27.0 (22.9 to 31.6) | 19.9 (16.3 to 24.1) | 6.1 (4.2 to 8.9) | 1.0 (0.4 to 2.6) |
| 20–24 | 81.5 (79.6 to 83.2) | 18.5 (16.8 to 20.4) | 13.0 (11.5 to 14.6) | 4.0 (3.2 to 5.1) | 1.5 (1.0 to 2.2) |
| 25–29 | 86.0 (83.7 to 88.0) | 14.0 (12.0 to 16.3) | 9.2 (7.6 to 11.2) | 3.3 (2.4 to 4.6) | 1.5 (0.9 to 2.4) |
| ≥30 | 80.6 (76.4 to 84.2) | 19.4 (15.8 to 23.6) | 13.8 (10.7 to 17.6) | 4.3 (2.7 to 6.9) | 1.3 (0.5 to 3.0) |
| Maternal education† | |||||
| No education | 78.7 (76.2 to 80.9) | 21.3 (19.1 to 23.8) | 14.0 (12.1 to 16.1) | 5.1 (4.0 to 6.5) | 2.2 (1.5 to 3.2) |
| Class 1–5 | 79.2 (75.6 to 82.4) | 20.8 (17.6 to 24.4) | 14.5 (11.8 to 17.7) | 5.2 (3.6 to 7.4) | 1.1 (0.5 to 2.4) |
| More than class 5 | 84.2 (82.5 to 85.8) | 15.8 (14.2 to 17.5) | 11.6 (10.3 to 13.1) | 3.2 (2.5 to 4.1) | 1.0 (0.6 to 1.5) |
| Wealth index quartile‡ | |||||
| I | 78.7 (76.2 to 80.9) | 23.0 (20.2 to 26.1) | 15.3 (13.0 to 18.0) | 5.8 (4.4 to 7.7) | 1.9 (1.2 to 3.2) |
| II | 79.2 (75.6 to 82.4) | 20.8 (18.2 to 23.6) | 14.1 (11.9 to 16.5) | 4.9 (3.6 to 6.5) | 1.9 (1.1 to 3.0) |
| III | 84.2 (82.5 to 85.8) | 17.7 (15.4 to 20.2) | 13.2 (11.2 to 15.5) | 3.2 (2.2 to 4.5) | 1.3 (0.7 to 2.2) |
| IV | 78.7 (76.2 to 80.9) | 13.6 (11.7 to 15.8) | 9.6 (8.0 to 11.5) | 3.1 (2.2 to 4.3) | 0.9 (0.5 to 1.7) |
| Sex | |||||
| Boy | 84.0 (82.3 to 85.5) | 16.0 (14.5 to 17.7) | 10.8 (9.5 to 12.2) | 4.0 (3.2 to 4.9) | 1.3 (0.9 to 1.9) |
| Girl | 79.0 (77.0 to 80.9) | 21.0 (19.2 to 23.0) | 15.1 (13.5 to 16.9) | 4.3 (3.4 to 5.3) | 1.6 (1.1 to 2.4) |
| Gestation period (months) | |||||
| 6–7 | 12.1 (4.6 to 28.5) | 87.9 (71.5 to 95.5) | 24.2 (12.5 to 41.8) | 36.4 (21.8 to 54.0) | 27.3 (14.7 to 45.0) |
| 8 | 74.6 (71.3 to 77.7) | 25.4 (22.3 to 28.8) | 17.7 (15.0 to 20.7) | 5.9 (4.3 to 7.9) | 1.9 (1.1 to 3.2) |
| >8 | 84.2 (82.8 to 85.5) | 15.8 (14.5 to 17.2) | 11.5 (10.4 to 12.7) | 3.3 (2.7 to 4.0) | 1.0 (0.7 to 1.4) |
| Birth order | |||||
| First | 78.1 (75.6 to 80.5) | 21.9 (19.6 to 24.4) | 15.4 (13.4 to 17.7) | 5.2 (4.1 to 6.7) | 1.3 (0.8 to 2.1) |
| Second | 83.4 (81.0 to 85.6) | 16.6 (14.4 to 19.0) | 12.0 (10.1 to 14.1) | 3.2 (2.3 to 4.5) | 1.4 (0.8 to 2.3) |
| More than second | 83.2 (81.2 to 85.0) | 16.8 (15.0 to 18.8) | 11.5 (10.0 to 13.2) | 3.8 (3.0 to 4.9) | 1.5 (1.0 to 2.3) |
| Place of delivery | |||||
| Public sector facility | 81.9 (80.4 to 83.3) | 18.1 (16.7 to 19.6) | 13.2 (12.0 to 14.6) | 3.6 (2.9 to 4.4) | 1.3 (0.9 to 1.8) |
| Private sector facility | 81.7 (79.0 to 84.1) | 18.3 (15.9 to 21.0) | 11.4 (9.4 to 13.6) | 5.4 (4.1 to 7.1) | 1.6 (0.9 to 2.6) |
| Home | 78.0 (70.1 to 84.3) | 22.0 (15.7 to 29.9) | 14.4 (9.4 to 21.5) | 5.3 (2.5 to 10.7) | 2.3 (0.7 to 6.8) |
| Current status of live birth | |||||
| Died on day 0 of birth | 61.5 (41.7 to 78.2) | 38.5 (21.8 to 58.3) | 11.5 (3.7 to 30.8) | 19.2 (8.1 to 39.2) | 7.7 (1.9 to 26.6) |
| Died between day 1 and 27 of birth | 55.0 (39.4 to 69.7) | 45.0 (30.3 to 60.6) | 17.5 (8.5 to 32.6) | 17.5 (8.5 to 32.6) | 10.0 (3.8 to 24.0) |
| Died between day 28 and 11 months of age | 59.1 (37.7 to 77.5) | 40.9 (22.5 to 62.3) | 13.6 (4.3 to 35.5) | 18.2 (6.8 to 40.3) | 9.1 (2.2 to 30.7) |
| Alive | 82.2 (80.9 to 83.4) | 17.8 (16.6 to 19.1) | 12.8 (11.7 to 13.9) | 3.8 (3.2 to 4.4) | 1.3 (1.0 to 1.7) |
*Data not available for 12 live births.
†Data not available for 3 live births.
‡Data not available for 1 live birth.