Table 6.

Comparison of two groups of children and parents after 1 year of oral hygiene habits

Experimental control group	Test group	Independent test
		W	Z	p
The children	The frequency of eating sweets and drinks every day	36245.5	–6.37	<0.001 *
	The number of times of brushing teeth every day	24379.5	–12.30	<0.001 *
	The time of brushing teeth each time	28737.0	–12.76	<0.001 *
	The number of times of daily mouthwash after meals	23993.5	–12.40	<0.001 *
	The time for regular oral examinations for children	32302.0	–8.91	<0.001 *
The parents	The number of times of brushing teeth every day	31747.5	–5.63	<0.001 *
	Parents supervise their children to brush their teeth	27398.0	–9.33	<0.001 *
	Parents help their children brush their teeth	25005.0	–11.90	<0.001 *

Wilcoxon rank sum test; W, Wilcoxon W; *: p <0.001.