Table 5.
Multivariable analysis of demographic and clinical predictors of exclusively feeding on breastmilk at discharge for newborns discharged alive from Rwinkwavu and Kirehe District Hospital neonatal care units from October – December 2017 and September 2018 – March 2019
| Variable | Model 1 (Full) | Model 2 (Reduced) | ||||||
|---|---|---|---|---|---|---|---|---|
| Adjusted odds ratio (aOR) | Standard error | z | 95% confidence interval (CI) | Adjusted odds ratio (aOR) | Standard error | z | 95% confidence interval (CI) | |
| Study time period | ||||||||
| Pre-intervention | ref | ref | ||||||
| Post-intervention | 3.53 | 2.00 | 2.24 | 1.17, 10.72 | 4.91 | 2.26 | 3.46 | 1.99, 12.11 |
| Hospital of admission | ||||||||
| Kirehe | ref | |||||||
| Rwinkwavu | 0.40 | 0.21 | -1.75 | 0.14, 1.12 | ||||
| Place of child's birth | ||||||||
| Hospital | ref | ref | ||||||
| Health center | 0.40 | 0.30 | -1.23 | 0.09, 1.73 | 0.44 | 0.22 | -1.68 | 0.17, 1.15 |
| Home | 0.22 | 0.19 | -1.79 | 0.04, 1.16 | 0.15 | 0.09 | -3.25 | 0.05, 0.47 |
| Type of delivery | ||||||||
| Vaginal | ref | |||||||
| Caesarean-section | 0.83 | 0.64 | -0.23 | 0.19, 3.77 | ||||
| Sex of child | ||||||||
| Male | ref | |||||||
| Female | 0.63 | 0.34 | -0.84 | 0.22, 1.83 | ||||
| Birthweight category | ||||||||
| Extremely low birthweight, < 1000 g | ref | |||||||
| Very low birthweight, < 1500 g | 1.76 | 3.11 | 0.32 | 0.06, 56.25 | ||||
| LBWa, < 2500 g | 3.46 | 5.61 | 0.76 | 0.14, 83.08 | ||||
| Normal birthweight ≥ 2500 g | 1.60 | 2.85 | 0.26 | 0.05, 52.78 | ||||
| Prematurity category recorded in hospital register | ||||||||
| Term | ref | ref | ||||||
| Preterm | 0.31 | 0.23 | -1.57 | 0.07, 1.34 | 0.36 | 0.17 | -2.22 | 0.15, 0.87 |
| Mother's age | ||||||||
| < 20 years | ref | |||||||
| 20–24 years | 0.89 | 1.15 | -0.09 | 0.07, 11.24 | ||||
| 25–34 years | 0.45 | 0.60 | -0.60 | 0.03, 6.06 | ||||
| 35 + years | 0.58 | 0.84 | -0.38 | 0.03, 9.87 | ||||
| Parity (# viable deliveries) of mother | ||||||||
| 1 delivery | ref | |||||||
| 2–4 deliveries | 0.76 | 0.56 | -0.38 | 0.18, 3.21 | ||||
| 5 + deliveries (grand multiparous) | 0.59 | 0.55 | -0.56 | 0.09, 3.71 | ||||
| Diagnosed with infection or infection risk | ||||||||
| No | ref | ref | ||||||
| Yes | 3.09 | 1.82 | 1.91 | 0.97, 9.83 | 2.99 | 1.49 | 2.21 | 1.13, 7.93 |
| Diagnosed with HIEb/asphyxia | ||||||||
| No | ref | |||||||
| Yes | 0.79 | 0.75 | -0.25 | 0.12, 5.09 | ||||
| Day of life (DOLc) of first breastmilk feed | ||||||||
| DOL0 | ref | ref | ||||||
| DOL1 | 0.24 | 0.26 | -1.32 | 0.03, 2.03 | 0.24 | 0.26 | -1.32 | 0.03, 2.00 |
| DOL2 | 0.12 | 0.14 | -1.81 | 0.01, 1.19 | 0.11 | 0.13 | -1.96 | 0.01, 0.995 |
| DOL3 or later | 0.05 | 0.06 | -2.55 | 0.01, 0.51 | 0.04 | 0.04 | -2.92 | 0.005, 0.35 |
The variance inflation factor (VIF) for collinearity diagnosis among predictor variables in Model 1, ranged between 1.09 and 1.84
VIF for Model 2, ranged between 1.01 and 1.12
ref reference category
a Low Birthweight
b Hypoxic Ischemic Encephalopathy
c Day of Life