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Table 5 Multiple linear regression analysis for periodontal status (plaque index, gingival index, pocket depth, CAL, and BOP) (N = 130)

From: Effectiveness of lifestyle change plus dental care (LCDC) program on improving glycemic and periodontal status in the elderly with type 2 diabetes

Variables Plaque index Gingival index Pocket depth CAL BOP
(3rd month) (3rd month) (3rd month) (3rd month) (3rd month)
Parameter estimate* (Standard error), p-value
Group affiliation (ref. control) −0.148 (0.062), 0.018 −0.172 (0.058), 0.004 −0.480 (0.091), <0.001 −0.374 (0.111), 0.001 −18.938 (4.406), <0.001
Age 0.008 (0.006), 0.170 −0.002 (0.006), 0.712 0.002 (0.009), 0.826 0.010 (0.011), 0.372 −0.245 (0.434), 0.573
Gender (ref. female) 0.072 (0.064), 0.261 0.008 (0.060), 0.888 0.101 (0.094), 0.284 0.148 (0.117), 0.209 6.366 (4.587), 0.168
Smoking (ref. no) 0.166 (0.064), 0.011 0.011 (0.060), 0.857 −0.091 (0.097), 0.352 0.029 (0.118), 0.808 2.437 (4.549), 0.593
Plaque index at baseline 0.346 (0.075), <0.001     
Gingival index at baseline   0.313 (0.066), <0.001    
Pocket depth at baseline    0.732 (0.068), <0.001   
CAL at baseline     0.836 (0.053), <0.001  
BOP at baseline      0.585 (0.092), <0.001
  R2 = 0.238, p <0.001 R2 = 0.200, p <0.001 R2 = 0.533, p <0.001 R2 = 0.721, p <0.001 R2 = 0.318, p <0.001
  1. *Adjusted for group affiliation, age, gender, smoking, and the respective baseline measures.