Table 2 Patterns of changes in estimate of EBF prevalence among infants aged 0 - < 6 months using single24 h recall, multiple 24 hour recall and recall since birth among different age groups, Butajira, Ethiopia (n = 412)
Age group (0–1 months (n = 90)) | ||||
EBF Percent (95% CI) | 7 days recall | % overestimation (95% CI) | McNemar’s p - value | |
Single 24 h recall | 88.9% (82.3, 95.5) | 74.4% (65.3, 83.6) | 14.4% (6.1, 22.8) | 0.0003* |
2 days recall | 84.4% (76.8, 92.1) | 74.4% (65.3, 83.6) | 10% (2.7, 17.3) | 0.0039* |
3 days recall | 81.1% (72.9, 89.4) | 74.4% (65.3, 83.6) | 6.7% (0.5, 12.9) | 0.0313* |
4 days recall | 81.1% (72.9, 89.4) | 74.4% (65.3, 83.6) | 6.7% (0.5, 12.9) | 0.0313* |
5 days recall | 78.9% (70.3, 87.5) | 74.4% (65.3, 83.6) | 4.4% (−0.9, 9.8) | 0.1250 |
6 days recall | 76.7% (67.8, 85.6) | 74.4% (65.3, 83.6) | 2.2% (−1.9, 6.3) | 0.5 |
Recall since birth | 70% (60.3, 79.7) | 74.4% (65.3, 83.6) | −4.4% (−11.6, 2.8) | 0.2891 |
Age group (2–3 months (n = 144)) | ||||
EBF Percent (95% CI) | 7 days recall | % overestimation (95% CI) | McNemar’s p - value | |
Single 24 h recall | 84.0% (78, 90.1) | 58.3% (50.2, 66.5) | 25.6% (17.9, 33.5) | < 0.001* |
2 days recall | 73.6% (66.3, 80.9) | 58.3% (50.2, 66.5) | 15.3% (8.7, 21.8) | < 0.001* |
3 days recall | 68.1% (60.3, 75.8) | 58.3% (50.2, 66.5) | 9.7% (4.2, 15.3) | 0.0002* |
4 days recall | 63.9% (55.9, 71.3) | 58.3% (50.2, 66.5) | 5.6% (1.1, 10) | 0.0078* |
5 days recall | 61.1% (53.1, 69.2) | 58.3% (50.2, 66.5) | 2.8% (−0.6, 6.2) | 0.1250 |
6 days recall | 59.7% (51.2, 67.3) | 58.3% (50.2, 66.5) | 1.2% (−1.2, 3.9) | 0.5 |
Recall since birth | 56.3% (48, 64.5) | 58.3% (50.2, 66.5) | −2.1% (−7.3, 3.1) | 0.3657 |
Age group (4–5 months (n = 178)) | ||||
EBF Prevalence (95% CI) | 7 days recall | % overestimation (95% CI) | McNemar’s p - value | |
Single 24 h recall | 64.6% (57.5, 71.7) | 38.2% (31, 45.4) | 26.4% (19.4, 33.4) | < 0.001* |
2 days recall | 51.7% (44.3, 59.1) | 38.2% (31, 45.4) | 13.5% (7.9, 19.1) | < 0.001* |
3 days recall | 48.3% (40.9, 55.7) | 38.2% (31, 45.4) | 10.1% (5.1, 15.1) | < 0.001* |
4 days recall | 45.5% (38.1, 52.9) | 38.2% (31, 45.4) | 7.3% (2.9, 11.7) | 0.0003* |
5 days recall | 43.8% (36.5, 51.2) | 38.2% (31, 45.4) | 5.6% (1.7, 9.6) | 0.0016* |
6 days recall | 41.6% (34.3, 48.9) | 38.2% (31, 45.4) | 3.4% (0.2, 6.6) | 0.0313* |
RSB | 35.4% (28.3, 42.5) | 38.2% (31, 45.4) | −2.8% (−7.8, 2.3) | 0.2253 |