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Table 2 Comparisons of oral health-related variables between migrant and resident children (N = 470)

From: Impact of migration on oral health outcomes of children in multi-beneficial kindergartens in Nanning, Southern China: a cross-sectional study

Variables

Total N (%)

Migrant children N (%)

Resident children N (%)

p value

Frequency of sugary snack intake

   

0.352

  ≥ Once/day

294 (62.6)

149 (60.6)

145 (64.7)

 

  < Once/day

176 (37.4)

97 (39.4)

79 (35.3)

 

Frequency of sugary snack or beverage intake at bedtime

   

0.406

 Often/occasionally

389 (82.8)

207 (84.1)

182 (81.3)

 

 Never

81 (17.2)

39 (15.9)

42 (18.8)

 

Frequency of sleeping with a bottle containing sugary beverages

   

0.853

 Often/occasionally

94 (20.0)

50 (20.3)

44 (19.6)

 

 Never

376 (80.0)

196 (79.7)

180 (80.4)

 

Age at which tooth brushing started

   

0.113

  < 3 years

238 (50.6)

116 (47.2)

122 (54.5)

 

  ≥ 3 years

232 (49.4)

130 (52.8)

102 (45.5)

 

Frequency of tooth brushing

   

0.023

  < Once/day

71 (15.1)

46 (18.7)

25 (11.2)

 

  ≥ Once/day

399 (84.9)

200 (81.3)

199 (88.8)

 

Parental help with tooth brushing

   

0.008

 No

77 (16.4)

51 (20.7)

26 (11.6)

 

 Yes

393 (83.6)

195 (79.3)

198 (88.4)

 

Use of fluoride toothpaste

   

0.075

 Yes

145 (30.9)

67 (27.2)

78 (34.8)

 

 No/unknown

325 (69.1)

179 (72.8)

146 (65.2)

 

Typical use of fluoride

   

0.012

 No

400 (85.1)

219 (89.0)

181 (80.8)

 

 Yes

70 (14.9)

27 (11.0)

43 (19.2)

 

Regular dental check-ups

   

0.003

 No

321 (68.3)

183 (74.4)

138 (61.6)

 

 Yes

149 (31.7)

63 (25.6)

86 (38.4)

 

Experience of dental caries fillingsa (N = 368)

   

0.000

0.000

 No

327 (88.9)

190 (94.5)

137 (82.0)

 

 Yes

41 (11.1)

11 (5.5)

30 (18.0)

 
  1. aA child who had at least one dental caries filled was treated as an individual who reported dental caries fillings