From: Limitations of maternal recall for measuring exclusive breastfeeding rates in South African mothers
Time point | Cut off for EBF, NMOI g/day | Observed agreement, % | Expected agreement, % | p-value | Kappa value |
---|---|---|---|---|---|
6 weeks | ≤ 25 | 52.17 | 45.18 | 0.078 | 0.13 |
≤ 82.6 | 76.09 | 72.50 | 0.181 | 0.13 | |
3 months | ≤ 25 | 36.49 | 36.79 | 0.525 | 0.00 |
≤ 82.6 | 51.35 | 52.05 | 0.573 | −0.01 | |
5.5 months | ≤ 25 | 49.30 | 40.73 | 0.009 | 0.14 |
≤ 82.6 | 57.75 | 45.45 | 0.011 | 0.23 |