Chapter 4. Infant Health

Table 4.1. Percent of babies who had the following problems in the past 2 weeks by infant age1,2

Infant Feeding Practices Study II

  Infant age in months
  2 3 4 5 6 7 9 10 12
Fever 7.1 8.8 11.7 10.2 11.0 12.4 19.2 17.9 22.3
Diarrhea 5.9 5.1 6.8 6.6 6.4 7.5 10.3 11.5 15.5
Vomiting 4.0 3.5 4.2 4.2 3.8 3.6 4.5 4.5 7.3
Ear infection 2.0 2.3 3.3 4.2 5.2 5.7 8.8 8.0 9.8
Colic 7.2 4.8 2.8 1.8 0.9 0.4 0.8 0.3 0.3
Fussy or irritable 38.7 31.3 31.8 28.3 26.2 25.8 32.0 27.0 27.8
Reflux 9.6 9.8 9.0 7.6 6.7 5.1 5.0 3.6 1.6
Runny nose or cold 24.3 29.2 32.9 31.5 31.5 32.7 39.3 40.6 47.5
Respiratory Syncytial Virus (RSV) 1.1 0.9 1.2 1.3 0.8 0.7 0.6 0.5 0.8
Cough or wheeze 13.7 15.4 17.1 16.4 16.8 14.3 16.6 16.8 18.5
Asthma 0.3 0.2 0.3 0.6 0.7 0.7 0.9 0.9 1.3
Food allergy 1.1 0.5 0.9 1.5 1.4 1.5 1.6 1.8 2.0
Eczema (atopic dermatitis) 4.2 4.5 7.0 7.9 8.5 8.3 7.7 8.0 7.7
None of these 37.9 40.6 38.1 40.7 41.6 42.0 34.2 36.0 30.7
N 2,526 2,369 2,214 2,174 2,086 2,008 1,921 1,783 1,790

1Table is based on variables: M2A20A-N, M3A20A-N, M4A22A-N, M5A25A-N, M6A24A-N, M7A24A-N, M9A29A-N, MXA30A-N, MWA27A-N

2Column percentages do not add up to 100% because mothers could choose all that apply