Table 4 The associations between S-FMR and medical-dental expense subsidy policy on children's DMFT

The rate of S-FMR utilization (per person) (%)

-0.004

(-0.006; -0.001)*

-0.003

(-0.005; -0.001)*

Subsidy policy (REF: Co-pay until children enters elementary school)

No co-payment until children enters elementary school

0.02

(-0.13;0.18)

0.05

(-0.08;0.18)

Co-payment continuing beyond elementary school

0.09

(-0.01;0.20)

0.07

(-0.02;0.17)

SCR of dental sealants

-0.001

(-0.003;-0.0001)*

-0.001

(-0.003;-0.0001)*

Per capita prefectural income (1,000 JPY)

0.0001

(-0.0001;0.0003)

0.00004

(-0.0001;0.0002)

The rate of Industrial Structure 3 (Service / Commerce) (%)

0.01

(-0.004;0.022)

0.01

(-0.01;0.02)

0.005

(-0.01;0.02)

0.008

(-0.007;0.02)

0.01

(-0.002;0.03)

Number of families (per household)

-0.16

(-0.55;0.23)

-0.19

(-0.60;0.23)

-0.09

(-0.50;0.32)

-0.13

(-0.56;0.30)

-0.12

(-0.50;0.26)

Percentage of the nuclear family (%)

-0.01

(-0.02;0.007)

-0.004

(-0.02;0.01)

-0.004

(-0.02;0.01)

-0.002

(-0.022;0.02)

-0.004

(-0.02;0.01)

Percentage of households living with older adults　(%)

-0.02

(-0.03; -0.001)

-0.02

(-0.04; -0.01)*

-0.02

(-0.04; -0.01)*

-0.02

(-0.04; -0.002)*

-0.02

(-0.03; -0.003)*

Total fertility rate (%)

0.45

(0.01;0.88)

0.44

(-0.03;0.90)

0.36

(-0.10;0.82)

0.41

(-0.07;0.88)

0.46

(0.05;0.87)*

Percentage of college graduates (%)

-0.03

(-0.05; -0.02)*

-0.03

(-0.05; -0.02)*

-0.03

(-0.05; -0.01)*

-0.03

(-0.05;-0.01)*

-0.04

(-0.06; -0.02)*

Percentage of receiving public assistance (%)

0.10

(0.04;0.17)*

0.10

(0.03;0.17)*

0.11

(0.04;0.17)*

0.11

(0.04;0.17)*

0.10

(0.04;0.17)*

The unemployment rate (%)

0.06

(0.03;0.10)*

0.06

(0.02;0.10)*

0.05

(0.02;0.09)*

0.06

(0.02;0.10)*

0.07

(0.03;0.10)*

The number of dentists working in private dental office (per 100,000 people)

-0.004

(-0.009; -0.0001)*

-0.004

(-0.01;0.0004)

-0.003

(-0.01;0.002)

-0.005

(-0.01;0.0003)

-0.003

(-0.008;0.001)