Table 1 Details (sex and age) of the investigated population (only children whose data were considered valid).
From: Respiratory particle emission rates from children during speaking
Entire population | 371 | |
Sex | Male | 49.9% |
Female | 50.1% | |
Age (years) | 6 | 11.1% |
7 | 11.3% | |
8 | 14.8% | |
9 | 10.2% | |
10 | 9.4% | |
11 | 27.5% | |
12 | 15.6% |