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Table 1 Sample characteristics for the B cohort (4–5 years) and K cohort (8–9 years)

From: A three generation study of the mental health relationships between grandparents, parents and children

 

B cohort

K cohort

 

N = 2676–4253

N = 2636–4196

Variable

% (N)

% (N)

Child SDQ mean (SD)

8.5 (0.1)

7.8 (0.1)

Parent mental health

  

Mother has elevated psychological distress

10.6 (350)

14.0 (458)

Father has elevated psychological distress

9.5 (235)

11.5 (279)

Grandparent mental health

  

Maternal grandmother, with MH history

24.8 (818)

25.1 (801)

Maternal grandfather, with no MH history

16.5 (540)

15.1 (479)

Paternal grandmother, with no MH history

20.3 (608)

18.4 (524)

Paternal grandfather, with no MH history

11.7 (348)

11.9 (342)

Child contact with maternal grandparents

  

Don’t have

2.5 (96)

5.1 (192)

No contact

2.9 (110)

4.2 (157)

Rarely

9.0 (344)

11.8 (444)

A few times a year

18.9 (719)

19.4 (729)

At least every month

18.7 (712)

21.7 (817)

At least every week

38.8 (1479)

30.5 (1148)

Every day

9.2 (352)

7.4 (280)

Child contact with paternal grandparents

  

Don’t have

6.3 (238)

10.1 (375)

No contact

5.1 (195)

6.4 (238)

Rarely

13.5 (514)

14.7 (547)

A few times a year

21.8 (826)

22.4 (835)

At least every month

22.0 (835)

22.5 (838)

At least every week

26.8 (1017)

19.5 (729)

Every day

4.6 (173)

4.5 (168)

Family type

  

Two-parent original

83.4 (3653)

76.6 (3318)

Two-parent blended

2.8 (107)

7.0 (252)

Lone-parent family

13.8 (455)

16.3 (581)

Mothers age at birth of first child

  

Less than 20 years

11.0 (321)

10.4 (332)

20-24 years

22.2 (866)

23.9 (904)

25+ years

66.8 (3066)

65.7 (2960)

Socioeconomic Position

  

Disadvantaged

30.6 (1031)

30.9 (1031)

Not disadvantaged

69.4 (3218)

69.1 (3162)

Medical problem in child

  

No

89.8 (3850)

90.7 (3827)

Yes

10.2 (403)

9.3 (369)

At least one parent has medical problem

  

No

86.7 (3731)

85.1 (3602)

Yes

13.3 (522)

14.9 (594)

  1. MH = Mental Health.