Table 3. Effect of the “Clean Hands, Happy Life” intervention on hand hygiene compliance of kindergarten teachers per type of activity on a scale of 0 (never) to 10 (always).

Type of activity	Before		After
	Mean	IQR	Mean	IQR	p-value
Before the preparation of the lunch	9.49	0	9.68	0	0.156
Before peeling of fruit	9.47	0	9.73	0	0.374
After coughing in the hands and / or sneezing	8.98	1	9.33	1	0.084 *
After blowing your nose	9.05	1	9.56	0	0.006 *
After changing a diaper with feces	9.40	0	9.46	0	0.004 *
After contacting with body fluids (saliva, vomit, blood, wound, urine, snot)	9.65	0	9.88	0	0.007 *
After playing outside	9.32	0	9.54	0	0.720
After contacting soiled textiles (dirty washcloths, bibs, burp cloths, towels)	9.24	1	9.72	0	0.000 *
After going to the toilet	9.61	0	9.87	0	0.034 *
Before you go eat yourself	9.48	0	9.79	0	0.093
Before you help a child with food	9.34	0	9.68	0	0.020 *
After wiping the nose of a child	9.28	0	9.68	0	0.028 *
After wiping a child’s butt	9.68	0	9.90	0	0.005 *
Overall HH compliance	9.38	0.47	9.68	0.23	0.006 *

Note

*indicates P<0.05

IQR indicates interquartile range, IQR = Q₃-Q₁; All data were clustered by kindergartens. Wilcoxon signed-rank tests were used to compare the repeated measurements at kindergarten level.