Outline of the Sixth Longitudinal Survey of Newborns in the 21st Century

(9) Illnesses and Injuries

The proportion of children visiting hospitals or clinics for decayed teeth was 36.2% over the past year.

In the breakdown of major illnesses and injuries of subjects who visited hospitals or clinics over the past year (multiple answers), “cold, pharyngitis, tonsillitis, bronchitis, pneumonia” accounted for the highest percentage, 79.2%, followed by “decayed teeth” (36.2%) and “digestive diseases including gastroenteritis, diarrhea, stomach ache, constipation” (21.9%).

With regard to the transition from the time of the 2nd survey, “cold, pharyngitis, tonsillitis, bronchitis, pneumonia” has been the highest, accounting for about 80%.

In addition, “decayed teeth” significantly rose from 6.9% in the 3rd survey to 36.2% in the 6th survey (Figure 15).

Figure 15

Transition of major illnesses and injuries seen by hospitals and clinics
(multiple answers)

Notes:
1)	The figures are based on the total responses in the 2nd through 6th surveys (total number of replies: 35,783).
2)	“Decayed teeth”, “influenza”, and “allergic rhinitis, allergic conjunctivitis” were not investigated in the 2nd survey.
3)	“Cold, pharyngitis, tonsillitis, bronchitis, pneumonia” was investigated as “cold, bronchitis, pneumonia” in the 2nd survey.
4)	“Digestive diseases including gastroenteritis, diarrhea, stomach ache, constipation” was investigated as “diarrhea, stomach ache, constipation” in the 2nd survey.
5)	“Otitis media” includes the number of responses with “otitis externa” in the 2nd through 4th surveys.