Gradients in periodontal status in Japanese employed males
: Blackwell Synergy
Aim: The objective was to assess whether there was a social gradient in periodontal
status by job classification in Japanese male workers.
Material and Methods: Study participants were 15,803 Japanese male workers aged
20Ã¢â‚¬â€œ69 years. There were seven groups classified by jobs. Oral examinations were
conducted using community periodontal index (CPI).
Results: The percentages of sextants with a CPI score of 3 or 4 of professionals
were significantly lower than for other job classes. The gradient also existed for the
percentage of sextants with CPI score 4. After adjusting for age, a history of
diabetes mellitus and smoking status, those lower on the gradient, namely, drivers,
service occupations, salespersons and managers were 2.0, 1.5, 1.4 and 1.4, times,
respectively more likely to have one or more sextants with CPI score 3 or 4 compared
with professionals. Odds ratios of having more than one or more sextants with
CPI score 4 after adjusting for age, clinical history of diabetes mellitus and smoking
status for drivers, service occupations, salespersons and managers were 2.1, 1.5,
1.5 and 1.2, respectively, compared with professionals.
Conclusions: There was a gradient in periodontal status by job classification.
Professional and office workers had better periodontal status than salespersons, service
occupations and drivers.
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