Table 3 Multivariate logistic regression analysis of factors with MT > 0 among 35–44 years adults in Guangdong Province

Years

–

1.03 (0.99–1.07)

Age

 35–39 years old^†

35.0

–

 40–44 years old

46.1

1.41 (1.12–1.77)

Sex

 Male^†

35.4

–

 Female

45.6

1.29 (1.02–1.63)

Residence

 Urban^†

37.4

–

 Rural

43.3

1.09 (0.86–1.39)

Education level

 Low educational attainment^†

45.4

–

 High educational attainment

33.7

0.52 (0.35–0.78)

Caries

 No^†

23.4

–

 Yes

51.3

7.04 (4.51–10.98)

Periodontal pocket

 No^†

37.6

–

 Yes

46.7

1.53 (1.19–1.96)

Education level × years

–

1.04 (1.01–1.07)

Caries × years

–

0.93 (0.89–0.96)