Table 5. Statistical Analysis of Key Variables by Staff Category.

BMW: biomedical waste

Variable	Test Used	Test Statistic	Degrees of Freedom	p Value	Interpretation
BMW Segregation Knowledge	Chi-square	χ² = 5.08	df = 2	0.079	Not statistically significant
Training Attendance	Chi-square	χ² = 71.93	df = 2	< 0.001	Highly significant association
Sharps Injury Incidence	Chi-square	χ² = 16.75	df = 2	< 0.001	Statistically significant association
Risk Perception (overall)	One-way ANOVA	F = 0.31	df = 2, 9	0.743	No significant difference across categories