Demographic variable

n

PAPEMCS

Mean

SD

P-value^d

Family structure

<0.0024

Single mother

369

2.56

0.66

A

NFFW

4794

2.52

0.65

A

NFDI

5632

2.49

0.67

A

LGFW

940

2.44

0.68

AB

LGDI

1763

2.40

0.68

B

SFG

71

2.42

0.68

AB

SMG

357

2.56

0.67

A

Number of children

<0.0083

One

3026

2.57

0.66

A

Two

7898

2.49

0.66

B

Three

3061

2.45

0.68

BC

Four or more

453

2.38

0.74

C

Medical region

<0.005

Shozu

307

2.36

0.70

B

Okawa

1276

2.56

0.62

A

Takamatsu

6487

2.55

0.62

A

Chusan

4349

2.44

0.70

B

Mitoyo

2002

2.41

0.71

B