Table 2 Logistic regression analyses of having never been to the dentist
M 1 Fixed effect | M 2 Fixed-Random effect | |
|---|---|---|
Odds ratio (95% Conf. Interval) | Odds ratio (95% Conf. Interval) | |
Intercept | 2.34*** (1.67; 3.29) | 1.63*** (1.16; 2.28) |
Sex | ||
Boy | 1.00 | 1.00 |
Girl | 0.91*** (0.86; 0.97) | 0.91*** (0.86; 0.97) |
Age | ||
6–8 years old | 1.00 | 1.00 |
9–11 years old | 0.43*** (0.39; 0.46) | 0.43*** (0.39; 0.46) |
12–14 years old | 0.33*** (0.31; 0.36) | 0.33*** (0.31; 0.36) |
Social class | ||
Upper non-manual | 1.00 | 1.00 |
Lower non-manual | 1.39* (1.01; 1.90) | 1.39** (1.02; 1.90) |
Skilled manual | 1.52** (1.11; 2.07) | 1.51*** (1.11; 2.06) |
Unskilled manual | 2.35*** (1.71; 3.23) | 2.36*** (1.71; 3.24) |
Time variables | ||
Year 1987 | 1.00 | 1.00 |
Year 1993 | 0.77 (0.52; 1.13) | 0.79 (0.63; 1.42) |
Year 1995–97 | 0.51*** (0.33; 0.77) | 0.53*** (0.35; 0.80) |
Year 2001 | 0.37*** (0.22; 0.63) | 0.40*** (0.24; 0.67) |
Year 2003 | 0.31*** (0.19; 0.52) | 0.34*** (0.21; 0.55) |
Year 2006 | 0.20*** (0.12; 0.34) | 0.22*** (0.13; 0.36) |
Year 2011 | 0.22*** (0.12; 0.41) | 0.25*** (0.14; 0.45) |
Regions have been omitted from table coefficients (see Figure 2) | ||
Results for interaction terms for time and occupational class have been omitted from table (see Figure 3) | ||
Rate of dentists | ||
per 100,000 inhabitants | 0.98*** (0.98; 0.99) | 0.98*** (0.97; 0.99) |
Dental care programme (PADI) | ||
Children without PADI | 1.00 | 1.00 |
Children with PADI | 0.82*** (0.71; 0.95) | 0.82*** (0.71; 0.94) |
Random parameters | ||
Variance (95% Conf. Interval) | ||
Error variance | ||
Intercept | 0.03 (0.01; 0.06) | |
Regression diagnostics | ||
Intra-class correlation ICC | 1.8% | |
Log likelihood | −11636.83 | −11664.07 |
AIC | 23371.66 | 23396.14 |
BIC | 23770.43 | 23672.85 |
N° of observation | 24689 | 24689 |