Table 1.

Comparison of mothers' reports and tooth brushing habits observed by examiner

		Observed by the examiner
	Kind of dentifrice child uses		Children's	Adult's		Prevalence %	p-value†	Agreement %	K (SE*)
		Children's	92	7		49.3	0.043	87.6	0.75 (0.05)
		Adult's	18	84		50.7
		Prevalence %	54.7	45.3
	Amount of dentifrice		- 1/2 of bristles	1/2 of bristles	All bristles	Prevalence %	p-value†	Agreement %	K (SE*)
	dispensed on brush	- 1/2 of bristles	47	28	8	41.9	< 0.001	47.0	0.22 (0.05)
		1/2 of bristles	18	28	45	46.0
		All bristles	2	4	18	12.1
		Prevalence %	33.8	30.3	35.9
Mothers' report	Who dispenses		Child alone	An adult		Prevalence %	p-value†	Agreement %	K (SE*)
	dentifrice on toothbrush?	Child alone	0	38		18.9	< 0.001	80.6	0.00 (0.01)
		An adult	1	162		81.1
		Prevalence %	0.5	99.5
	Who brushes child's teeth?		Child alone	An adult		Prevalence %	p-value†	Agreement %	K (SE*)
		Child alone	30	8		18.9	< 0.001	77.1	0.43 (0.07)
		An adult	39	125		81.1
		Prevalence %	33.8	66.2
	Does child spit out		Yes	No		Prevalence %	p-value†	Agreement %	K (SE*)
	dentifrice during	Yes	67	11		39.6	< 0.001	50.2	0.11 (0.05)
	brushing?	No	87	32		60.4
		Prevalence %	78.2	21.8
	Does child rinse out		No	Yes		Prevalence %	p-value†	Agreement %	K (SE*)
	mouth during brushing?	No	10	3		6.5	< 0.001	61.5	0.11 (0.04)
		Yes	74	113		93.5
			Prevalence %	42.0	58.0

*Standard error; ^† McNemar test