Table 2. Biochemical assay results for Ndja and Moz.

Enzyme	Females and males (n=20+20)		Females only (n=20)		Males only (n=20)
	Ndja	Moz	Ndja	Moz	Ndja	Moz
P450
Mean	1.45 × 10−3	0.72 × 10−3	1.8 × 10−3	0.7 × 10−3	1.1 × 10−3	0.75 × 10−3
Fold change	1.93		2.57		1.46
P	0.0051		0.0030		0.029
GST
Mean	0.26	0.10	0.34	0.11	0.18	0.095
Fold change	2.6		3.09		1.89
P	0.015		0.0066		0.20
pNPA
Mean	0.12	0.092	0.14	0.075	0.11	0.11
Fold change	1.3		1.86		1
P	0.064		0.0038		0.88
α-Napthyl acetate
Mean	1.6 × 10−3	0.99 × 10−3	1.6 × 10−3	0.59 × 10−3	1.6 × 10−3	1.4 × 10−3
Fold change	1.61		2.71		1.14
P	0.010		0.0011		0.53
β-Napthyl acetate
Mean	1.6 × 10−3	1.2 × 10−3	1.6 × 10−3	1.0 × 10−3	1.7 × 10−3	1.4 × 10−3
Fold change	1.33		1.6		1.21
P	0.083		0.11		0.38
Inhibition of AChE by propoxur/%
Mean	92.8	92.6	96.5	96.9	89.2	88.2
P	0.83		0.75		0.58

Abbreviations: AChE, average percentage of inhibition of AChE by propoxur; GST, glutathione S-transferase activity; P450, equivalent units of cytochrome P450; pNPA, esterase activity with p-nitrophenyl acetate; α-/β-napthyl acetate, micromoles of α-/β-napthol produced per minute per milligram of protein.

P-values in bold show significant difference (<0.05) between Ndja and Moz.