TABLE 1.

Estimated protection time against mosquitoes for DEET

DEET concentration, %	Protection time, h
	Mean	Range
5	2	1.5–2.5
10	3.5	2.5–4.5
15	5	3.5–5.5
20	5.5	4–6.5
30	6.5	5–8

Adapted from Health Canada PMRA RRD 2002-01, extracted by reference 8