Skip to main content

Table 1 Dental caries experience of the studied young adults according to their socio-demographic background (n = 324)

From: Risk indicators of oral health status among young adults aged 18 years analyzed by negative binomial regression

  n % with DMFT > 0 p* Mean DMFT (SD) p**
Gender    0.595   0.311
 Male 177 57.6   1.4 (1.7)  
 Female 147 60.5   1.6 (1.8)  
Parental educational attainment    0.265   0.222
 Primary or below 39 64.1   1.9 (2.3)  
 Junior high school 82 67.1   1.7 (1.8)  
 Senior high school 134 53.7   1.3 (1.6)  
 Matriculation or above 32 62.5   1.3 (1.4)  
 Do not know 37 51.4   1.3 (1.9)  
Monthly household income level    0.188   0.095
 Below HK$20,000 236 61.0   1.6 (1.9)  
 Above HK$20,000 78 52.6   1.1 (1.4)  
Dental insurance coverage    0.826   0.871
 No 218 59.6   1.5 (1.7)  
 Yes 31 61.3   1.2 (1.3)  
 Do not know 75 56.0   1.6 (2.1)  
  1. * p-value was computed from Chi square test to compare the proportions between groups.
  2. ** p-value was computed from Mann–Whitney U test or Kruskal Wallis 1-way ANOVA test to compare the distributions between groups.