Features

Subgroup

Number

Prevalence

[n, (%)]

Average degree ( x ¯ ± s)

Child’s age (years)

3

49

14 (28.6)

43.59 ± 9.08

4

338

138 (40.8)

44.01 ± 9.47

5

386

156 (40.4)

43.24 ± 9.60

6

353

168 (47.6)

43.88 ± 8.98

χ2/F

8.698*

0.480

The only child

Yes

696

328 (47.1)

44.63 ± 9.86

No

430

148 (34.4)

42.17 ± 8.21

χ2/t

17.589**

4.334**

Child’s ranking

Eldest child

848

383 (45.2)

44.20 ± 9.59

No eldest child

278

93 (33.5)

42.13 ± 8.36

χ2/t

11.768**

3.221*

Child’s personality

Introverted

80

63 (78.8)

51.83 ± 9.28

Moderate

465

203 (43.7)

44.16 ± 9.15

Extrovert

581

210 (36.1)

42.19 ± 8.88

χ2/F

52.926**

41.237**

Mother’s age

20-

212

119 (56.1)

47.22 ± 9.99

30-

782

316 (40.4)

43.11 ± 9.09

40 - 49

132

41 (31.1)

41.47 ± 8.25

χ2/F

24.600**

21.121**

Mother’s occupation

Unskilled worker

120

69 (57.5)

47.31 ± 9.74

Teacher, medical staff, civil servant

272

135 (49.6)

45.75 ± 10.67

Company employee

289

110 (23.1)

42.35 ± 8.06

Business owner

186

74 (15.5)

43.19 ± 9.37

Unemployed or other

259

88 (34.0)

41.70 ± 8.04

χ2/F

27.315**

12.894**

Mother’s health

Good

1090

451 (41.4)

43.49 ± 9.27

Average or poor

36

25 (69.4)

49.74 ± 9.69

χ2/t

11.251**

−3.978**

Mother’s personality

Introverted

40

32 (80.0)

50.41 ± 9.31

Moderate

534

219 (41.0)

43.74 ± 8.89

Extrovert

552

225 (40.8)

43.15 ± 9.59

χ2/F

24.196**

11.465**

Family types

Nuclear family

748

322 (43.0)

43.76 ± 9.59

Extended family

333

129 (38.7)

43.03 ± 8.61

Single parent or other

45

25 (55.6)

47.31 ± 9.73

χ2/F

5.142

4.256*

Family members supported in the most recent year

≤3

565

264 (46.7)

44.43 ± 9.83

4-

362

140 (38.7)

42.69 ± 8.70

≥5

199

72 (36.2)

43.41 ± 8.88

χ2/F

9.538**

3.957*

Average monthly income

≤5000

279

144 (30.3)

46.18 ± 9.97

5001-

557

234 (49.2)

43.69 ± 9.23

10,000-

290

98 (20.6)

41.29 ± 8.26

χ2/F

18.535**

20.164**

Family member relationship

Harmonious

1030

411 (39.9)

43.21 ± 9.25

Average or reserved

96

65 (67.7)

48.77 ± 8.76

χ2/t

27.822**

0.666

Primary caregiver

Both parents

851

340 (40.0)

43.15 ± 9.28

Not both parents

275

136 (49.5)

45.35 ± 9.36

χ2/t

7.689**

−3.406**

Educational approach

Persuasive

571

245 (42.9)

43.73 ± 9.84

Disciplinarian

13

10 (76.9)

51.88 ± 8.56

Combination of the two methods

542

221 (40.8)

43.44 ± 8.72

χ2/F

6.989*

5.233**

Educational attitude towards children

Consistent

462

182 (39.4)

43.08 ± 10.07

Essentially consistent

630

271 (43.0)

43.85 ± 8.64

Inconsistent

34

23 (67.6)

48.89 ± 10.09

χ2/F

10.682**

6.420**

Foster care for more than 1 year

Yes

48

30 (62.5)

49.66 ± 9.63

No

1078

446 (41.4)

43.42 ± 9.24

χ2/t

8.405**

4.569**

Mobile phone addiction

Yes

512

294 (57.4)

41.23 ± 8.35

No

614

182 (29.6)

46.63 ± 9.61

χ2/t

88.293**

−10.090**