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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Int J Hyg Environ Health. 2017 Sep 18;220(8):1356–1362. doi: 10.1016/j.ijheh.2017.09.006

Table 1.

Demographic information for Egyptian adolescent pesticide applicators (n = 43)n = 43)

Mean (SD) Min Max
Age (years) 16 (1.7) 12 19
Body surface area (m2) 1.6 (0.2) 1.1 1.8
Years of education 9.7 (1.9) 4 12
Total hours applying CPF 13.5 (11.9) 0 41.0
Total hours applying other pesticides 15.5 (14.5) 0 59.0
GM Min Max
Peak TCPy (µg/g creatinine) 862 4 5,715
Cumulative TCPy (µg/g creatinine) 13,641 167 49,8208
N (%)
Applies pesticides at home 34 (79.1)
Never smoked cigarettes 42 (97.7)
Attire reported as worn while applying: Always Often Sometimes Seldom Never
  Long pants (to the feet) 28 (65.1) 10 (23.3) 4 (9.3) 1 (2.3) 0
  Short pants (to the knee) 1 (2.3) 2 (4.7) 1 (2.3) 19 (44.2) 20 (46.5)
  Short-sleeved shirt 2 (4.7) 1 (2.3) 6 (14) 14 (32.6) 20 (46.5)
  Long-sleeved shirt 23 (53.5) 10 (23.3) 10 (23.3)
  Jacket over shirt 1 (2.3) 1 (2.3) 9 (20.9) 2 (4.7) 30 (69.8)
  Hat or head covering 22 (51.2) 3 (7.0) 4 (9.3) 9 (20.9) 5 (11.6)
  Shoes or boots (not open sandals) 20 (46.5) 6 (14.0) 7 (16.3) 9 (20.9) 1 (2.3)
  Sandals (part of feet exposed) 12 (27.9) 7 (16.3) 24 (55.8)
  Socks 10 (23.3) 4 (9.3) 7 (16.3) 10 (23.3) 12 (27.9)
  Bare Feet 3 (7.0) 11 (25.6) 29 (67.4)
  Bandana (neck scarf) over face 2 (4.7) 1 (2.3) 40 (93.0)

Abbreviations: CPF, chlorpyrifos; Min, minimum; Max, maximum; GM, geometric mean; TCPy, urinary 3,5,6-trichloro-2-pyridinol