| Coefficient | HR | 95% CI | Z |
---|---|---|---|---|
BF intention Reference: 1–4 months | ||||
 4–6 months | − 0.92 | 0.40*** | (0.22, 0.71) | − 3.10 |
 6–12 months | −1.97 | 0.14*** | (0.07, 0.27) | −5.78 |
  ≥ 12 months | −2.51 | 0.08*** | (0.03, 0.21) | −5.14 |
BF self-efficacy during hospitalization | − 0.02 | 0.98*** | (0.96, 1.00) | −2.05 |