Variablesa, b | B | Wχ2 | AOR | 95% CI |
---|---|---|---|---|
Step 1 – Microsystem | Nagelkerke R2 = 52.6% | |||
Age | −0.03 | 1.37 | 0.97 | 0.91, 1.02 |
Income (fourth to highest quintile) | 0.10 | 0.20 | 1.11 | 0.70, 1.75 |
Education level (university) | 0.72 | 9.35* | 2.06 | 1.30, 3.27 |
Feeding knowledge (correct) | 0.30 | 1.96 | 1.35 | 0.89, 2.06 |
Delivery (vaginal) | 0.29 | 1.55 | 1.33 | 0.85, 2.10 |
Mum fed as baby (breastmilk) | 0.81 | 12.98* | 2.26 | 1.45, 3.51 |
First food after birth (breastmilk) | 1.52 | 18.75* | 4.55 | 2.29, 9.04 |
Feeding attitudes mean | −1.80 | 152.87* | 0.17 | 0.13, 0.22 |
Step 2 – Mesosystem | Nagelkerke R2 = 56.2% | |||
Support—friends & family | 0.001 | 0.003 | 1.00 | 0.97, 1.03 |
Support—health professionals & groups | −0.007 | 0.20 | 0.99 | 0.96, 1.02 |
Support—technology | − 0.091 | 14.65* | 0.91 | 0.87, 0.96 |
Breastfeeding encouragement by professional (≤ 30mins) | −0.03 | 0.02 | 0.97 | 0.62, 1.53 |
Step 3 – Exosystem | Nagelkerke R2 = 58.6% | |||
Urbanisation (city) | 0.69 | 8.40* | 1.99 | 1.25, 3.18 |
Skin to skin contact after birth (yes) | −0.23 | 0.90 | 0.79 | 0.49, 1.28 |
Feeding intention (breastfeed) | 0.75 | 7.77* | 2.12 | 1.25, 3.59 |
Had enough info after birth about breastfeeding (yes) | 0.45 | 3.29* | 1.57 | 0.96, 2.57 |
Step 4 – Macrosystem | Nagelkerke R2 = 59.9% Goodness of fit χ2 (df) = 634.84 (18)* | |||
Country (0 = Australia vs. 1 = Ireland) | 1.21 | 15.32* | 3.35 | 1.83, 6.13 |
Country (0 = Australia vs. 1 = UK) | 0.98 | 11.45* | 2.68 | 1.51, 4.73 |