From: Migration protocol to estimate metal exposure from mouthing copper and tin alloy objects
Age group (months) | Estimated mean daily mouthing time for “other objects” (minute: second) | |||
---|---|---|---|---|
Norris & Smith[22] | Groot et al.*[23] | Greene**[21] | Juberg et al.[24] | |
1-3 | 05:14 | – | – | 09:00 |
3-6 | 12:29 | 03:00 | 22:30 | 09:00 |
6-9 | 24:30 | 09:00 | 22:30 | 09:00 |
9-12 | 16:25 | 09:00 | 22:30 | 09:00 |
12-15 | 12:02 | 07:00 | 21:00 | 09:00 |
15-18 | 23:01 | 07:00 | 21:00 | 09:00 |
18-21 | 19:49 | 02:00 | 21:00 | 02:00 |
21-24 | 12:53 | 02:00 | 21:00 | 02:00 |
24-36 | 21:46 | 02:00 | 18:42 | 02:00 |
36-48 | 15:16 | – | – | – |
48-60 | 10:44 | – | – | – |
60-72 | 10:00 | – | – | – |