Table 2 Clustering and model fit of caries experience, plaque accumulation and gingival inflammation
From: Clustering of children’s oral diseases in families and villages in a rural setting in Egypt
Statistics | dmf/ DMF | PlI | GI |
|---|---|---|---|
Unconditional model- no fixed effects, families as random effect factor | |||
-2LL | 1544.1 | 452.2 | 235.7 |
Conditional model- Level 1 fixed effect factors | |||
-2LL | 1455.9 | 451.6 | 215.3 |
Improved model fit: X2 (p value) | 88.2 (< 0.001) | 0.60 (0.90) | 20.4 (< 0.001) |
%Increase in R2 | 30.1 | < 0 | < 0 |
Conditional model- Level 2 fixed effect factors | |||
-2LL | 1542.3 | 445.9 | 231.1 |
Improved model fit: X2 (p value) | 1.80 (0.61) | 6.30 (0.10) | 4.60 (0.20) |
%Increase in R2 | 0.12 | 29.4 | < 0 |
Conditional model-Level 1 and level 2 fixed effect factors | |||
-2LL | 1449.9 | 445.3 | 210.5 |
Improved model fit: X2 (p value) | 94.2 (< 0.001) | 6.90 (0.44) | 25.2 (< 0.001) |
%Increase in R2 | 31.1 | 5.9 | < 0 |