Table 4.
Explanatory Variables Related to the First, Second, and Third Levels with Progression of Caries Lesions Classified as Scores 1, 2, and 3 of the ICDAS (Any Type of Progression)
| Explanatory Variables | Crude RR (95% CI) | p | Adjusted RR (95% CI) | p |
|---|---|---|---|---|
| First level: Dental surface | ||||
| Initial ICDAS score (ref. score 1) | < .001 | < .001 | ||
| Score 2 | 2.07 (1.32, 3.25) | 1.98 (1.25, 3.14) | ||
| Score 3 | 7.55 (4.59, 12.43) | 6.28 (3.79, 10.39) | ||
| Activity status (ref. inactive) | .026 | .020 | ||
| Active | 1.64 (1.06, 2.54) | 1.72 (1.09, 2.71) | ||
| Type of surface (ref. smooth) | < .001 | < .001 | ||
| Occlusal | 2.85 (2.07, 3.91) | 2.20 (1.55, 3.13) | ||
| Proximal | 1.56 (1.02, 2.38) | 1.49 (0.98, 2.27) | ||
| Second level: Tooth | ||||
| Region (ref. anterior) | < .001 | — | ||
| Posterior | 1.89 (1.31, 2.73) | |||
| Type of tooth (ref. second molars) | < .001 | .028 | ||
| First molars | 0.75 (0.57, 1.00) | 0.69 (0.52, 0.93) | ||
| Incisors | 0.56 (0.36, 0.89) | 0.79 (0.49, 1.29) | ||
| Canines | 0.32 (0.16, 0.63) | 0.45 (0.21, 0.96) | ||
| Third level: Child | ||||
| Sex (ref. male) | .452 | — | ||
| Female | 0.87 (0.60, 1.26) | |||
| Age (ref. 12-23 mo), mo | .609 | — | ||
| 24-35 | 1.73 (0.50, 6.03) | |||
| 36-47 | 1.70 (0.50, 6.03) | |||
| 48-59 | 2.02 (0.61, 6.70) |
Dash (—) indicates that variable was not included in the adjusted model. CI, confidence interval; ICDAS, International Caries Detection and Assessment System; RR, relative risk.