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Table 1 Demographic and clinical characteristics of the children assessed in the study

From: Cross-cultural adaptation and psychometric evaluation of the early childhood oral health impact scale (ECOHIS) in chilean population

Variables n (%)
Child’s age in years (mean ± SD) 4.0 (1.1)
Child’s gender
 Male 163 (54.0)
 Female 139 (46.0)
Socioeconomic status
 Low 229 (75.8)
 Medium-high 73 (24.2)
Child’s general health, reported by parents
 Excellent 43 (14.3)
 Very good 86 (28.5)
 Good 123 (40.9)
 Regular 49 (16.3)
 Poor
Child’s oral health, reported by parents
 Excellent 44 (14.6)
 Very good 59 (19.6)
 Good 110 (36.5)
 Regular 70 (23.3)
 Poor 18 (6.0)
Tooth brushing
 Once a day or less 51 (16.9)
 Twice or more 251 (83.1)
Simplified Oral Hygiene Index
 Good 19 (6.3)
 Regular 223 (73.8)
 Poor 60 (19.9)
Decayed, missing and filled teeth index (mean ± SD) 2,52 (SD 3.71)
Dental Caries
 Caries free (dmft = 0) 140 (46.3)
 Low severity (dmft = 1–5) 108 (35.8)
 High severity (dmft > 6) 54 (17.9)
Malocclusion
 Absence 183 (60.6)
 Presence 119 (39.4)
Traumatic Dental Injuries
 None 258 (85.4)
 Infraction 27 (8.9)
 Enamel fracture 4 (1.3)
 Avulsion 2 (0.7)
 Discoloration 11 (3.6)