Hospital, doctor, or clinic visits or hospital admissions as a result of any respiratory infection or illness were combined as composite variables reflecting any respiratory morbidity, and the protective effect of breast feeding persisted in all models (p
Hospital, doctor, or clinic visits or
hospital admissions as a result of any respiratory infection or illness were combined as composite variables reflecting any respiratory morbidity, and the protective effect of breast feeding persisted in all models (p
hospital admissions
as a
result of any respiratory infection or
illness were combined
as composite variables reflecting any respiratory morbidity, and the protective effect
of breast feeding persisted in all models (p < 0.01).