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Table 2 Comparison of the intervention and control groups, concerning the HBM, before and after the intervention

From: A randomized controlled trial of an educational intervention to promote oral and dental health of patients with type 2 diabetes mellitus

Group
Variable
ControlInterventionP-valuea
MeanSDMeanSD
KnowledgeBefore5.262.035.452.20.99
After5.851.58.160.950.012
P-valueb0.630.001 
Perceived susceptibilityBefore3.230.763.330.660.168
After3.641.014.090.490.156
P-valueb0.0740.001 
Perceived severityBefore4.220.614.330.680.71
After4.520.64.950.60.001
P-valueb0.170.001 
Perceived barrierBefore3.380.753.540.740.68
After3.350.512.691.050.001
P-valueb0.770.001 
Perceived benefitBefore4.291.134.180.660.94
P-valueb4.140.684.840.290.001
After0.720.001 
Self-efficacyBefore3.370.713.420.620.65
After3.650.664.080.560.001
P-valueb0.040.001 
Internal cues to actionBefore3.920.8540.740.60
After40.654.250.720.17
P-valueb0.270.033 
External cues to actionBefore3.670.703.500.830.67
After3.530.463.770.680.005
P-valueb0.710.33 
PerformanceBefore2.280.762.160.710.97
After2.660.563.250.490.001
P-valueb0.7140.001 
  1. aIndependent t test
  2. bPaired t test