Table 2 Correlation matrix of the variables (N = 17,032)

Occupation of the mother (1)

1.000

Occupation of the father (2)

0.521*

1.000

Financial situation of the family (3)

0.110*

0.182*

1.000

Education of the mother (4)

0.230*

0.222*

0.119*

1.000

Education of the father (5)

0.118*

0.255*

0.140*

0.363*

1.000

Food shortage (6)

0.127*

0.134*

0.250*

0.148*

0.107*

1.000

Primary residence (7)

0.655*

0.478*

0.106*

0.194*

0.117*

0.119*

1.000

Medical convenience (8)

0.052*

0.065*

0.067*

0.067*

0.067*

0.058*

0.062*

1.000

Childhood health (9)

0.015

0.048*

0.121*

0.025*

0.018*

0.058*

0.020*

0.041*

1.000

Education (10)

0.182*

0.241*

0.141*

0.210*

0.207*

0.107*

0.220*

0.115*

0.061*

1.000

Self-rated health (11)

0.058*

0.069*

0.100*

0.079*

0.059*

0.099*

0.060*

0.069*

0.120*

0.103*

1.000

Edentulism (12)

-0.023*

-0.029*

-0.006

-0.053*

-0.049*

-0.027*

-0.025*

-0.030*

-0.030*

-0.072*

-0.037*

1.000