Birth and newborn care preparedness was associated with lower risk of mortality [ RR 0.3 ; 95 % CI 0.2 , 0.4 ] while preterm infants who had symptoms of infection [ RR 5.6 ; 95 % CI 4.3 , 7.1 ] or whose mother suffered antenatal complications [ RR 1.4 ; 95 % CI 1.1 , 1.8 ] were at higher mortality risk .