parameter	school	pre-intervention	post-intervention	t	P-value
dental care	Bright Minds	0.45±0.08	0.37±0.07	0.81	0.79
	Omega	0.46±0.04	0.38±0.05	1.17	0.88
	Tebah	0.25±0.06	0.53±0.06	-3.18	0.00*
	Saint Theresa	0.35±0.08	0.25±0.07	0.96	0.83
handwashing	Bright Minds	0.69±0.04	0.75±0.04	-0.90	0.18
	Omega	0.48±0.03	0.58±0.03	-2.08	0.02*
	Tebah	0.36±0.04	0.71±0.04	-6.14	0.00*
	Saint Theresa	0.69±0.05	0.90±0.03	-3.54	0.00*