Assessment of risk factors for early childhood caries at different ages in Shandong, China and reflections on oral health education: a cross-sectional study

Zhang, Meng; Zhang, Xinyue; Zhang, Yuan; Li, Yanan; Shao, Chunchun; Xiong, Shijiang; Lan, Jing; Wang, Zhifeng

doi:10.1186/s12903-020-01104-8

Table 2 Differential KAP variables in different age groups (n = 1301)

From: Assessment of risk factors for early childhood caries at different ages in Shandong, China and reflections on oral health education: a cross-sectional study

Groups and variables	CF (n, (%))	ECC (n, (%))	P
For 3-year-old group (n = 415)
Knowledge
Q22e Does eat sugar cause dental caries?
correct answer	160 (46.2)^a	186 (53.8)^a	0.017
wrong answer or do not know	43 (62.3)^b	26 (37.7)^b	0.017
Practice
Q3_group Feeding method within 6 months of birth
complete breastfeeding	122 (46.6)^a	140 (53.4)^a	0.028
mainly breastfeeding	34 (47.9)^a,b	37 (52.1)^a,b
complete artificial feeding	23 (74.2)^b	8 (25.8)^b
mainly artificial feeding	9 (64.3)^a,b	5 (35.7)^a,b
half breastfeeding and half artificial feeding	15 (40.5)^a,b	22 (59.5)^a,b
Q12 Has your child had a toothache or discomfort in the past 12 months?
Never	179 (54.4)^a	150 (45.6)^a	0.000
Sometimes	11 (18.0)^b	50 (82.0)^b
Often	0 (0)^a,b	4 (100.0)^a,b
Not clear	13 (61.9)^a	8 (38.1)^a
Q13 Did your child go to the hospital to see the teeth?
Yes	24 (35.8)^a	43 (64.2)^a	0.023
Never	179 (51.4)^b	169 (48.6)^b	0.023
For 4-year-old group (n = 441)
Gender
male	81 (37.5)^a	135 (62.5)^a	0.025
female	61 (27.1)^b	164 (72.9)^b	0.025
Practice
Q12 Has your child had a toothache or discomfort in the past 12 months?
Never	130 (38.2)^a	210 (61.8)^a	0.000
Sometimes	10 (13.5)^b	64 (86.5)^b
Often	0 (0)^b	13 (100.0)^b
Not clear	2 (14.3)^{a, b}	12 (85.7)^a,b
Q13 Did your child go to the hospital to see the teeth?
Yes	14 (18.4)^a	62 (81.6)^a	0.004
Never	128 (35.1)^b	237 (64.9)^b	0.004
For 5-year-old group (n = 445)
Knowledge
Q22d Can bacteria cause dental caries?
correct answer	79 (25.0)^a	237 (75.0)^a	0.010
wrong answer	9 (60.0)^b	6 (40.0)^b
do not know	28 (24.6)^a	86 (75.4)^a
Practice
Q5 Frequency of eating sweet before going to bed at night
often	4 (12.1)^a	29 (87.9)^a	0.005
occasionally	56 (22.5)^a	193 (77.5)^a
never	56 (34.4)^b	107 (65.6)^b
Q12 Has your child had a toothache or discomfort in the past 12 months?
Never	102 (35.3)^a	187 (64.7)^a	0.000
Sometimes	10 (7.9)^b	116 (92.1)^b
Often	0 (0)^b	15 (100)^b
Not clear	4 (26.7)^{a, b}	11 (73.3)^a,b
Q13 Did your child go to the hospital to see the teeth?
Yes	9 (8.7)^a	95 (91.3)^a	0.000
Never	107 (31.4)^b	234 (68.6)^b	0.000

CF caries-free group, ECC Early Childhood Caries group
^{a, b}: Differences of caries prevalence between row variables, the same mark represents no difference between the two variables
Statistical methods: chi-square tests, Fisher’s test and z tests for post hoc comparisons

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ISSN: 1472-6831

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