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Table 2 Prevalence of dental caries among secondary school children according to various factors

From: The prevalence of dental caries and associated factors among secondary school children in rural highland Vietnam

Factors Dental caries
Primary teeth Permanent teeth
N (%) p value N (%) p value
Total 815 (41.1) NA 1,368 (68.9) NA
Sex     
Girl 440 (41.0) 0.93 749 (69.7) 0.39
Boy 375 (41.2) 619 (68.0)
Age group     
11–12 years 494 (59.4) < 0.01 576 (69.2) 0.80
13–14 years 321 (27.8) 792 (68.7)
Ethnicity     
Kinh 339 (38.8) 0.68 598 (68.4) 0.67
Jarai 476 (42.8) 770 (69.3)
Good knowledge     
Yes 112 (15.2) < 0.01 201 (27.2) < 0.01
No 703 (56.4) 1,167 (93.7)
Good attitude     
Yes 72 (11.1) < 0.01 114 (17.5) < 0.01
No 743 (55.7) 1,254 (93.9)
Good practice     
Yes 74 (12.7) < 0.01 109 (18.7) < 0.01
No 741 (52.9) 1,259 (89.8)
Father’s occupation     
Official or worker 286 (39.7) 0.64 493 (68.4) 0.35
Farmer 255 (41.9) 433 (71.1)
Freelancer 274 (41.8) 442 (67.5)
Mother’s occupation     
Official or worker 320 (45.0) < 0.01 535 (75.3) < 0.01
Farmer 211 (35.3) 368 (61.5)
Freelancer 284 (42.0) 465 (68.8)
  1. NA: Not applicable