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csefh - Kinder-Umwelt-Gesundheit

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Child-Specific Exposure Factors Handbook<br />

Chapter 4 - Non-dietary Ingestion Factors<br />

Table 4-16. Mouthing Times of Dutch Children Extrapolated to Total Time While Awake, Without Pacifier, in Minutes per Day<br />

Age Group N Mean SD Minimum Maximum<br />

3 to 6 months<br />

6 to 12 months<br />

12 to 18 months<br />

18 to 36 months<br />

Note:<br />

N<br />

SD<br />

5<br />

14<br />

12<br />

11<br />

36.9<br />

44<br />

16.4<br />

9.3<br />

The object most mouthed in all age groups was the fingers, except for the 6 to 12 month group which mostly mouthed toys.<br />

= Number of children.<br />

= Standard deviation.<br />

Source: Groot et al., 1998.<br />

Child-Specific Exposure Factors Handbook Page<br />

September 2008 4-29<br />

19.1<br />

44.7<br />

18.2<br />

9.8<br />

14.5<br />

2.4<br />

0<br />

0<br />

67<br />

171.5<br />

53.2<br />

30.9

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