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Table 2 Comparison of the TPB construct scores between both groups before and after the intervention

From: Oral health behavior among school children aged 11–13 years in Saveh, Iran: an evaluation of a theory-driven intervention

Variable GroupTime Experimental group
Mean ± SD
Control group
Mean ± SD
P-value*
Attitude Baseline 5.5 ± 19.0 4.9 ± 18.1 0.109
2-months follow-up 6.2 ± 23.2 6.6 ± 18.4 0.001
P-value** 0.001 0.777
PBC Baseline 4.4 ± 13.4 3.7 ± 13.6 0.625
2-months follow-up 5.2 ± 14.9 4.2 ± 13.7 0.037
P-value** 0.006 0.933
SN Baseline 1.9 ± 5.0 2.2 ± 4.7 0.160
2-months follow-up 3.7 ± 6.9 2.5 ± 4.8 0.001
P-value** 0.001 0.658
AP Baseline 8.5 ± 4.5 4.5 ± 8.8 0.585
2-months follow-up 6.3 ± 10.9 4.0 ± 8.7 0.001
P-value** 0.001 0.991
CP Baseline 6.9 ± 14.4 6.6 ± 14.7 0.970
2-months follow-up 8.1 ± 16.6 6.7 ± 14.4 0.048
P-value** 0.011 0.712
intention Baseline 3.2 ± 6.0 2.7 ± 5.6 0.301
2-months follow-up 4.1 ± 7.8 2.5 ± 5.0 0.001
P-value** 0.001 0.008  
  1. * Independent T-test; ** Paired T-test