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Table 2 Sample characteristics of overall sample (n = 597) and S-ECC sub-sample (n = 263)

From: Severe early childhood caries and social determinants in three-year-old children from Northern Thailand: a birth cohort study

Variables

All

S-ECC

N (%)

N (%)

Risk behaviour

  

Infant feeding at 6 months

  

 Never breast fed

295 (49.6)

145 (49.2)

 Breast feeding: 1–3 months

155 (26.1)

55 (35.5)

 Breast feeding: 4 months or more

145 (24.4)

62 (42.8)

Nocturnal feeding at 12 months

  

 Suckle to sleep when going to bed

563 (94.5)

251 (44.6)

Introduction of soft drinks at 12 months

  

 None

289 (49.1)

113 (39.1)

 6–12 months

299 (50.9)

144 (48.2)

Sleeps with bottle at 30 months

  

 No

454 (76.2)

187 (41.2)

 1–6 times/week

142 (23.8)

76 (53.5)

 Sweet food index in days in a week at 30 months (1–5)

2.1 (1.3)

2.3 (1.2)

 Brushing teeth in the past 2 weeks at 12 months

345 (58.3)

160 (46.4)

 Brush with tooth paste at 12 months

10 (2.9)

3 (30.0)

Brushing teeth at 26 months

  

 At least once daily

160 (31.7)

147 (36.4)

 Less than daily

345 (68.3)

84 (63.6)

 Use of fluoride tooth paste in past 7 days

477 (88.8)

220 (89.8)

Use of oral health services

  

Dental visit before age of 30 months

41 (6.9)

23 (56.1)

  1. GHQ General Health Questionnaire