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Table 4 The results of GEE analysis of tooth-brushing behavior and OHIS after intervention and follow ups in study participants (N = 146)

From: Application of health action process approach model to promote toothbrushing behavior among Iranian elderly population: a cluster randomized controlled trial

Variable

 

Statistic (P-value)

Pairwise Comparison

OHIS

Group

0.33 (0.56)

-

Time

29.85 (< 0.001*)

T0 vs. T1 < 0.001*

T0 vs. T2 < 0.001*

T1 vs. T2: 0.02*

Tooth-brushing

Group

2.75 (0.09)

-

Time

17.23 (< 0.001)

T0 vs. T1 < 0.01*

T0 vs. T2 < 0.001*

T1 vs. T2: 0.003*

  1. T0: Baseline, T1: One month follow up and T3: Three months follow up
  2. *The mean difference is significant at the 0.05 level