From: Birthweight data completeness and quality in population-based surveys: EN-INDEPTH study
 | Birthweight from recall | Birthweight from card | ||||
---|---|---|---|---|---|---|
Number of babies | Mean birthweight (kg) (95% CI) | Low birthweight n (%) | Number of babies | Mean birthweight (kg) (95% CI) | Low birthweight n (%) | |
Overall | 4702 | 3.01 (2.98–3.04) | 802 (17.1) | 3057 | 3.13 (3.10–3.16) | 274 (9.0) |
Child’s characteristics | ||||||
Sex | ||||||
 Female | 2329 | 2.96 (2.92–2.99) | 420 (18.0) | 1503 | 3.06 (3.02–3.09) | 147 (9.8) |
 Male | 2374 | 3.06 (3.03–3.10) | 382 (16.1) | 1555 | 3.20 (3.16–3.24) | 128 (8.2) |
Vital status | ||||||
 Neonatal death | 102 | 2.88 (2.74–3.03) | 31 (30.1) | 15 | 2.82 (2.48–3.16) | 5 (34.2) |
 Post-neonatal survivor | 4600 | 3.01 (2.99–3.04) | 771 (16.8) | 3042 | 3.13 (3.10–3.16) | 269 (8.9) |
Site | ||||||
 Bandim | 441 | 3.29 (3.18–3.40) | 70 (15.9) | 1193 | 3.17 (3.12–3.22) | 129 (10.6) |
 Dabat | 215 | 3.08 (3.01–3.16) | 18 (8.4) | 29 | 2.97 (2.80–3.15) | 3 (8.9) |
 IgangaMayuge | 1165 | 3.25 (3.20–3.31) | 114 (9.8) | 456 | 3.20 (3.12–3.27) | 45 (9.8) |
 Matlab | 2692 | 2.84 (2.80–2.87) | 589 (21.9) | 44 | 2.71 (2.51–2.90) | 12 (26.1) |
 Kintampo | 189 | 3.28 (3.19–3.37) | 10 (5.5) | 1336 | 3.09 (3.06–3.12) | 92 (6.8) |
Mother’s characteristics | ||||||
Education | ||||||
 No education | 315 | 3.13 (3.00–3.25) | 62 (19.6) | 802 | 3.12 (3.06–3.17) | 76 (9.4) |
 Primary | 1249 | 3.08 (3.02–3.14) | 204 (16.3) | 1197 | 3.13 (3.09–3.18) | 97 (8.0) |
 Secondary | 2445 | 2.94 (2.91–2.98) | 461 (18.9) | 910 | 3.12 (3.07–3.16) | 94 (10.2) |
 Higher | 693 | 3.08 (3.02–3.14) | 75 (10.8) | 149 | 3.26 (3.13–3.38) | 14 (8.9) |
Socioeconomic status | ||||||
 1 (poorest) | 771 | 2.95 (2.87–3.02) | 165 (21.4) | 623 | 3.16 (3.10–3.22) | 57 (9.1) |
 2 | 823 | 2.96 (2.90–3.03) | 179 (21.8) | 661 | 3.13 (3.06–3.19) | 63 (9.6) |
 3 | 867 | 2.98 (2.92–3.04) | 151 (17.4) | 600 | 3.08 (3.02–3.15) | 73 (12.1) |
 4 | 1051 | 3.04 (2.98–3.10) | 167 (15.9) | 619 | 3.12 (3.07–3.18) | 52 (8.4) |
 5 (richest) | 1191 | 3.09 (3.04–3.13) | 140 (11.8) | 554 | 3.16 (3.10–3.22) | 30 (5.3) |
Parity | ||||||
 1 | 1092 | 2.94 (2.90–2.99) | 198 (18.1) | 497 | 2.99 (2.94–3.04) | 66 (13.3) |
 2 | 1521 | 2.93 (2.88–2.97) | 286 (18.8) | 680 | 3.11 (3.06–3.17) | 52 (7.6) |
 3 | 932 | 2.96 (2.90–3.03) | 175 (18.7) | 549 | 3.18 (3.11–3.25) | 40 (7.2) |
 4 | 434 | 3.16 (3.06–3.26) | 54 (12.5) | 454 | 3.11 (3.03–3.18) | 48 (10.6) |
 5+ | 723 | 3.26 (3.19–3.33) | 89 (12.4) | 878 | 3.20 (3.14–3.26) | 69 (7.9) |
Age | ||||||
 < 20 | 204 | 2.92 (2.80–3.03) | 39 (19.1) | 105 | 2.90 (2.76–3.03) | 16 (15.6) |
 20–24 | 1184 | 2.98 (2.93–3.03) | 197 (16.7) | 580 | 3.04 (2.98–3.10) | 63 (10.9) |
 25–29 | 1477 | 2.95 (2.90–2.99) | 285 (19.3) | 784 | 3.13 (3.07–3.18) | 72 (9.2) |
 30–34 | 1003 | 3.09 (3.04–3.15) | 155 (15.4) | 763 | 3.15 (3.09–3.22) | 64 (8.4) |
 35+ | 834 | 3.09 (3.03–3.15) | 126 (15.1) | 826 | 3.20 (3.16–3.25) | 59 (7.1) |