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Table 3 Socio-economic factors based on the children's gender, parent's level of education, and occupation in relation to the prevalence of dental erosion

From: The prevalence of dental erosion and associated risk factors in 12-13-year-old school children in Southern China

Variables Total No. of children Dental erosion
   No. of children % P
Gender     
   Male 774 199 25.7 0.068
   Female 725 217 29.9  
Father's education     
   Primary 544 169 31.1 0.069
   Secondary 633 169 26.7  
   College and postgraduate 322 78 24.2  
Mother's education*     
   Primary 665 196 29.5 0.035
   Secondary 575 165 28.7  
   College and postgraduate 259 55 21.2  
Father's occupation     
   Employers/professional 327 93 28.4 0.909
   Employees/non-professional 857 238 27.8  
   Unemployed 315 85 27.0  
Mother's occupation     
   Employers/professional 244 59 24.2 0.384
   Employees/non-professional 948 268 28.3  
   Unemployed 307 89 29.0  
  1. *P < 0.05, Chi-squared test.