Table 2.

Mean Difference of American cockroach’s frequency at before, one month and five months after the intervention compared to untreated, Esfahan City, Iran

Control products	Mean Difference	95% Confidence Interval
		Lower limit	Upper limit
Carbary l5%	10.97	9.22	12.72
Diazinin 5%	−5.10	−6.85	−3.35
Chlorpyrifos 5%	−25.29	−26.94	−23.65
Chlorpyrifos 5%	−11.90	−13.65	−10.15
Chlorpyrifos 0.05%	−10.03	−11.78	−8.28
Diazinon 5%	7.41	5.80	9.02
Diazinin 0.5%	−17.70	−19.45	−15.95
Diazinon 0.05%	−19.37	−21.62	−17.11
Responsar 0.02%	−18.13	−19.88	−16.38
Cympermethrin	−11.40	−13.15	−9.65
Diazinon	3.30	1.55	5.05
Chlorpyrifos	−6.40	−8.15	−4.65
Boric Acid	−24.97	−27.22	−22.71
Carbary l5%	−18.69	−20.51	−16.88
Fire	−10.0	−11.75	−8.25