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Table 4 Bivariate and Multivariable Logistic Regression for development of new caries at 24 months

From: Comparison of two caries prevention programs among Thai kindergarten: a randomized controlled trial

Explanatory VariablesCrude OR95% CIp valueAdj. OR95% CIp value
Demographic background
 Age of caregiver (years)1.014(0.96, 1.07)0.611   
 Gender (reference: boy)2.35(0.97, 5.73)0.0602.14(0.80, 5.73)0.129
 Main caretaker (reference: parent)
  Grandparent/Relatives0.648(0.20, 2.14)0.475   
  Caregiver’s occupation level (reference: more stable)
  Less stable1.7(0.57, 5.06)0.334   
 Caregiver’s education level (reference: High school)
  Primary school or less0.955(0.334, 2.72)0.931   
 Monthly family income (reference: above ฿30,000)
  Below ฿10,000($318.8)0.69(0.16, 3.04)0.618   
  ฿10,001–฿30,000($318.8–956.5)0.64(0.18, 2.37)0.506   
Clinical parameters at baseline
 dmft score1.11(1.01, 1.22)0.025*0.986(0.88, 1.11)0.809
 Risk group (reference: low risk)6.00(2.04, 17.69)0.001*7.522(1.66, 34.09)0.009*
 VPI score1.53(0.79, 2.94)0.206   
Dental health–related habits at 12 mo
 Weekly frequency of toothbrushing (reference: 5 days or more)
  2 days or less / week1.37(0.23, 8.09)0.727   
  3–5 days /week1.37(0.23, 8.09)0.727   
 Daily frequency of snacking (reference: less than 2 times)
  2 times /day0.66(0.22, 2.00)0.459   
  3 times or more /day2.35(0.62, 8.86)0.208   
 Supervised toothbrushing (reference: yes)1.55(0.65, 3.69)0.322   
 Perception related to dental caries
  Perceived susceptibility1.23(1.05, 1.44)0.007*1.21(1.00, 1.45)0.048*
  Perceived severity1.11(0.95, 1.31)0.1841.07(0.88, 1.30)0.486
  Perceived benefits1.17(0.90, 1.52)0.241   
  Perceived barriers1.08(0.92, 1.27)0.369   
 Self efficacy to tooth brushing1.05(0.78, 1.41)0.748   
Treatment (reference: basic prevention)
 Intensified prevention1.42(0.59, 3.44)0.4330.66(0.21, 2.03)0.471