Attitude changes following short-form opioid overdose video education: a pilot study

Table 3 Kruskal–Wallis H Test comparison of differences between medians of groups separated by highest level of education, pretest and posttest

Subgroup variable	Groups	N	Mean rank		Kruskal–Wallis H	p-value
Level of education	High school	29	112.98	Pretest	17.21	0.004
	Vocational training	12	119.42
	College	105	98.89
	Masters	36	96.54
	Doctorate	18	140.06
	Professional	19	152.42
	High school	29	108.50	Posttest	3.31	0.653
	Vocational training	12	109.29
	College	105	104.41
	Masters	36	111.88
	Doctorate	18	120.36
	Professional	19	130.26

ISSN: 1477-7517