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. 2026 Jul 31;29(Suppl 1):e260017supl1. doi: 10.1590/1980-549720260017.supl.1

Table 2. Absolute inequality index (SII) and relative inequality index (RII) for the mean DMFT index and decayed teeth. The p-value indicates the presence of significant variations between the years.

SII (95%CI) RII (95%CI)
2003 2010 2023 p-value 2003 2010 2023 p-value
DMFT
Family income (minimum wages) 0.38 (-0.42–1.17) 2.66 (1.57–3.75) 1.91 (0.41–3.40) 0.051 1.06 (0.92–1.22) 1.87 (1.44–2.42) 1.70 (1.10–2.61) 0.006
Education (age-grade distortion) 1.46 (0.86–2.07) 2.17 (1.20–3.14) 2.26 (1.25–3.26) 0.301 1.31 (1.17–1.48) 1.67 (1.34–2.09) 1.79 (1.38–2.33) 0.038
Decayed teeth
Family income (minimum wages) 1.86 (1.35–2.37) 2.48 (1.84–3.11) 2.42 (1.86–2.98) 0.163 2.04 (1.68–2.48) 4.67 (3.16–6.92) 4.49 (2.92–6.94) <0.001
Education (age-grade distortion) 2.14 (1.7–2.52) 1.52 (1.00–2.03) 1.09 (0.52–1.66) 0.209 2.69 (2.19–3.31) 2.51 (1.81–3.48) 1.91 (1.37–2.64) <0.001