Wall type | Spray type | N | Mean % knockdown | 95% CI | SE | P-value |
---|---|---|---|---|---|---|
Painted | Standard | 15 | 95.3a | 86–100 | 4.5 | 0.37 |
Routine | 15 | 82.7a | 72.9–91 | 4.5 | ||
Smooth | Standard | 15 | 82a | 73.1–90.9 | 4.5 | < 0.001 |
Routine | 15 | 48.7b | 39.8–57.7 | 4.5 | ||
Rough | Standard | 12 | 67.5c | 58–76.4 | 4.9 | 0.9 |
Routine | 12 | 64.4b,c | 52.7–76 | 4.9 |