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Table 4 Periodontal disease in pregnant migrant workers and local pregnant women assessed with community periodontal index (CPI)

From: Oral health status and behaviors of pregnant migrant workers in Bangkok, Thailand: a cross-sectional study

Periodontal disease Total
(n = 418)
Pregnant women p value
Migrant
(n = 208)
Local
(n = 210)
n % n % n %
CPI = 0 0 0% 0 0% 0 0%  
CPI = 1 9 2.2% 0 0% 9 4.3% 0.004*F
CPI = 2 207 49.5% 53 25.5% 154 73.3%  < 0.001*C
CPI = 3 178 42.6% 132 63.5% 46 21.9%  < 0.001*C
CPI = 4 24 5.7% 23 11.1% 1 0.5%  < 0.001*C
CPI = 3 or 4 202 48.3% 155 74.5% 47 22.4%  < 0.001*C
CPI Mean ± SD 2.5 ± 0.6 2.9 ± 0.6 2.2 ± 0.5  < 0.001*M
  1. C = p value from Chi-Square test, F = p value from Fisher’s exact Test and M = p value from Mann–Whitney U Test
  2. *Significant at p value < 0.05