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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Ecotoxicol Environ Saf. 2009 Sep 6;73(1):46–50. doi: 10.1016/j.ecoenv.2009.08.004

Table 1.

Median toxicity (LC50) responses of An. gambiae s.s. 3rd instar larvae to cadmium, copper or lead treatments through five successive generations.

Strain Generation LC50 (mg/l) 95% CI Slope (± SE) χ2*
Cadmium F1 0.61 0.57 –1.08 2.89 ± 0.47 0.94
F2 3.12 2.14 – 20.18 0.87 ± 0.28 0.31
F3 5.86 3.31 – 8.31 1.42 ± 0.25 0.92
F4 10.32 7.38 –16.65 2.22 ± 0.49 0.25
F5 7.97 0.53 –14.88 1.00 ± 0.43 0.22
Copper F1 4.326 2.84 – 16.83 0.78 ± 0.20 0.73
F2 8.035 3.50 – 24.31 1.10 ± 0.23 1.30
F3 8.149 2.91 – 72.10 0.56 ± 0.23 0.32
F4 50.345 20.85 – 71.33 0.65 ± 0.22 0.38
F5 9.571 3.40 – 17.74 0.63 ± 0.20 0.62
Lead F1 126.54 67.24 – 188.65 1.77 ± 0.32 0.93
F2 543.03 241.63 – 666.54 0.86 ± 0.24 0.27
F3 205.49 52.86 – 487.59 0.69 ± 0.19 3.19
F4 470.05 436.01 – 561.28 1.41 ± 0.24 4.38
F5 302.68 217.07 – 441.98 1.51 ± 0.16 5.96
*

All Chi square values presented are significantly different at 0.05 levels of P and represent the goodness of fit of the regression lines in the probit analysis.