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Table 1 Characteristics of the study population (N = 1085)

From: Impact of parental migration on oral health outcomes of left-behind school-aged children in Luchuan, southern China

Variables

Frequency (N)

Percentage (%)

Gender

 Boy

536

49.4

 Girl

549

50.6

Age (years old)

 8–9

393

36.2

 10

258

23.8

 11–12

434

40.0

Parental migration

 LBC

661

60.9

 Non-LBC

424

39.1

Type of parental migration (N = 661)

 Father-only migration

213

33.2

 Mother-only migration

89

13.5

 Both parent migration

359

54.3

Duration of parental migration (N = 661)

  ≤ 6 months

369

55.8

  > 6 months

292

44.2

Frequency of sugary snack intake

  < once/day

750

69.1

  ≥ once/day

335

30.9

Frequency of sugary beverages intake

  < once/day

789

72.7

  ≥ once/day

296

27.3

Frequency of drinka with added sugar intake

  < once/day

845

77.9

  ≥ once/day

240

22.1

Tooth brushing frequency

 Not every day

105

9.7

 Once/day

658

60.6

  ≥ twice/day

322

29.7

Fluoride toothpaste use

 Yes

74

6.8

 No

73

6.7

 Unknown

938

86.5

Having received oral health education or not

 Yes

0

0

 No

1085

100

  1. aMilk, tea, coffee, soybean milk