Table 2 The associations between S-FMR and medical-dental expense subsidy policy on the SCR of deciduous tooth extraction

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

-0.13

(-0.24;-0.02)*

-0.11

(-0.20;-0.01)*

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

No co-payment until children enters elementary school

16.44

(7.75;25.14)*

11.42

(3.29;19.55)*

Co-payment continuing beyond elementary school

4.24

(0.06;8.41)*

2.24

(-1.60;6.08)

SCR of dental sealants

0.15

(0.08;0.22)*

0.12

(0.06;0.19)*

Per capita prefectural income (1,000 JPY)

0.01

(0.003;0.02)*

0.01

(0.001;0.02)*

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

0.27

(-0.23;0.77)

0.41

(-0.08;0.90)

0.37

(-0.10;0.84)

0.51

(-0.02;1.04)*

0.52

(0.06;0.98)*

Number of families (per household)

22.39

(1.64;43.13)*

17.17

(-2.58;36.92)

21.06

(1.37;40.76)

27.83

(7.49;48.16)*

15.56

(-2.54;33.66)

Percentage of the nuclear family (%)

-0.29

(-1.19;0.61)

-0.22

(-1.06;0.63)

-0.3

(-1.16;0.55)

0.17

(-0.73;1.07)

-0.27

(-1.07;0.53)

Percentage of households living with older adults (%)

0.38

(-0.35;1.10)

0.32

(-0.39;1.03)

0.36

(-0.33;1.05)

0.24

(-0.49;0.97)

0.41

(-0.24;1.05)

Total fertility rate (%)

-10.49

(-34.16;13.19)

-14.14

(-36.53;8.24)

-7.69

(-30.22;14.84)*

-11.59

(-34.87;11.70)

-11.56

(-31.69;8.57)

Percentage of college graduates (%)

-0.03

(-0.98;0.93)

-0.21

(-1.10;0.68)

0.06

(-0.85;0.96)

-0.65

(-1.71;0.40)

-0.77

(-1.68;0.15)

The unemployment rate (%)

0.24

(-1.23;1.72)

0.72

(-0.76;2.19)

0.44

(-0.96;1.85)

0.67

(-0.86;2.20)

1.03

(-0.31;2.38)

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

0.21

(-0.03;0.45)

0.23

(0.005;0.46)*

0.14

(-0.10;0.37)

0.19

(-0.05;0.43)

0.09

(-0.13;0.30)