Table 4 Results for univariate and multivariate linear regression models with the duration of any breastfeeding during the first 12 months after birth as the outcome
Univariate regression | Multiple regressiona | |||||
|---|---|---|---|---|---|---|
Variables | R Square | Adjusted R Square | Beta-coefficient | p | Beta-coefficient | p |
Mother’s level of education (low/high) | 0.066 | 0.065 | 7.553 | < 0.001 | 5.005 | < 0.001 |
Partner’s level of education (low/high) | 0.035 | 0.033 | 5.406 | < 0.001 | 2.340 | 0.044 |
Household income (low/high) | 0.013 | 0.012 | 3.264 | 0.001 | 0.077 | 0.945 |
Mother’s age | 0.053 | 0.052 | 0.716 | < 0.001 | 0.320 | 0.049 |
Partner’s age | 0.029 | 0.028 | 0.443 | < 0.001 | 0.157 | 0.198 |
Gestational age | 0.008 | 0.006 | 0.773 | 0.013 | 0.581 | 0.081 |
Single/multiple pregnancy | 0.012 | 0.010 | −19.381 | 0.002 | −13.379 | 0.155 |
Mode of birth/start of delivery (spontaneous versus other) | 0.011 | 0.010 | −3.584 | 0.003 | − 1.373 | 0.314 |
Mode of birth/end of delivery (normal versus instrumental/caesarean) | 0.014 | 0.012 | −4.352 | 0.001 | − 3.930 | 0.004 |
The partner’s used and planned use of parental leave for the first 24 months | 0.020 | 0.019 | 0.124 | < 0.001 | – | – |
Total used and planned use of parental leave for the first 24 months | 0.022 | 0.021 | 0.102 | < 0.001 | 0.097 | < 0.001 |