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%