Trends in socioeconomic inequality of periodontal health status among Dutch adults: a repeated cross-sectional analysis over two decades.

BMC Oral Health · 2021 · PMC8284001 · PMID 34266415

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did not reach statistical significanceno p-value reported

2 b), the SES group-by-time interaction did not reach statistical significance ( P interaction = 0.490, Table 5 ).

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an increasing trendno p-value reported

Following this finding, the number of individuals with OHI-S = 0 showed an increasing trend over time.

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