The prevalence and risk indicators of tooth wear in 12- and 15-year-old adolescents in Central China

BMC Oral Health

Table 5 The relationship between tooth wear (BEWE2-3) and dietary factors

	N	Tooth wear		P
	N	BEWE2-3	%	P
Fruit juices/soft drinks/acid food				0.142
Score 9–22	352	200	56.8
Score 23–54	368	189	51.4
Taking drinks before sleep				0.219
Never	370	188	50.8
Rarely	240	133	55.4
Sometimes	74	46	62.2
Often	36	22	61.1
Holding drinks in mouth				<0.001
Never	433	205	47.3
Rarely	210	131	62.4
Sometimes	58	40	69.0
Often	19	13	68.4
Drinking with straw				0.464
Never	138	68	49.3
Rarely	255	135	52.9
Sometimes	219	126	57.5
Often	108	60	55.6
Drinking immediately after sport				<0.001
Never	160	72	45.0
Rarely	247	122	49.4
Sometimes	197	115	58.4
Often	116	80	69.0
Dry mouth				0.578
Never	159	82	51.6
Rarely	241	126	52.3
Sometimes	168	92	54.8
Often	152	89	58.6
Frequency of tea consumption				0.681
< 2–6 times weekly	404	221	54.7
> 2–6 times weekly	316	168	53.2
Eating hard food				0.032
Never	153	90	58.8
Rarely	301	144	47.8
Sometimes	186	105	56.5
Often	80	50	62.5

ISSN: 1472-6831