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Table 1 Cohort characteristics and missingness

From: Resilient phenotypes among bereaved youth: a comparison of trajectory, relative, and cross-domain approaches

Variable

Original data

Imputed data (M = 10)

N

% Missing

Mean (SD) for continuous variables, % for categorical variables

Mean (SD) for continuous variables, % for categorical variables

Overall (N = 3769)

Not Bereaved (N = 2891)

Bereaved (N = 878)

SDQ at 6

3448

8.4%

7.1 (4.6)

7.0 (4.5)

7.3 (4.7)

7.1 (4.6)

SDQ at 9

3668

2.6%

6.4 (4.7)

6.4 (4.6)

6.7 (4.9)

6.4 (4.7)

SDQ at 11

3618

3.9%

6.1 (4.7)

6.1 (4.7)

6.4 (4.8)

6.1 (4.7)

SDQ at 13

3522

6.5%

6.4 (4.7)

6.2 (4.7)

6.7 (4.9)

6.4 (4.8)

SDQ at 16

3276

13.0%

5.8 (4.6)

5.8 (4.5)

6.1 (4.8)

5.9 (4.7)

Frequency (%) attends school at 16

2996

20.4%

94.1 (18.9)

94.2 (18.9)

93.9 (19.3)

93.5 (20.0)

Number of friends

3143

16.5%

7.7 (5.1)

7.7 (5.2)

7.7 (4.9)

7.7 (5.2)

AUDIT score

3175

15.7%

7.0 (4.8)

6.9 (4.8)

7.3 (4.9)

7.0 (4.9)

Blood pressure

3482

7.5%

118.3 (10.6)

118.3 (10.7)

118.3 (10.5)

118.3 (10.7)

Body mass index

3679

2.3%

22.7 (4.1)

22.6 (4.0)

22.9 (4.5)

22.7 (4.1)

C-reactive protein

2456

34.8%

1.5 (3.8)

1.5 (3.8)

1.7 (4.0)

1.6 (4.3)

Hours of sleep, weekday

3094

17.8%

8.3 (0.9)

8.3 (0.9)

8.3 (1.0)

8.2 (0.9)

Life events, 5–7 years

3465

8.0%

2.8 (3.1)

2.6 (3.1)

3.2 (3.3)

2.8 (3.2)

Child sex, male

3766

0.0%

44.2

44.7

42.6

44.2

Mother prenatal financial difficulties

3494

7.2%

2.2 (3.1)

2.2 (3.1)

2.3 (3.1)

2.3 (3.1)

Father educational attainment:

3509

6.8%

–

–

–

–

 CSE/none

15.1

14.9

15.5

15.9

 Vocational

7.0

7.2

6.3

7.2

 O level

21

20.1

23.9

21

 A level

29.1

29.2

28.9

28.6

 Degree

27.8

28.6

25.3

27.2

Mother educational attainment:

3578

5.0%

–

–

–

–

 CSE/none

8.9

8.5

10.2

9.2

 Vocational

6.7

6.5

7.5

6.9

 O level

33.8

33.1

36.3

33.7

 A level

29.2

29.8

26.8

28.8

 Degree

21.4

22

19.1

21.3

Maternal smoking at birth

3397

9.8%

10.8

11.1

9.7

11.3

Townsend Index quintile:

2067

45.1%

–

–

–

–

 1

31.7

32.0

30.5

32.1

 2

15.7

15.5

16.3

15.3

 3

19.9

19.5

21.1

20.0

 4

23.7

23.8

23.1

23.6

 5

9.0

9.1

8.9

8.9

  1. A higher Townsend Index quintile indicates more deprivation