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Table 2 Characteristics of participants in the randomly split sub-samples A (n = 311) and B (n = 319)

From: Validation of the Schieman and Young measurement scales for work contact, work-family conflict, working conditions, psychological distress and sleep problems in construction industry professionals

Characteristics

Sub-sample A (n = 311)

Sub-sample B (n = 319)

n

%

n

%

Demographic characteristics

 Genderb

  Male

262

84

255

80

  Female

49

16

64

20

 Relationship statusb

  Divorced, separated, widowed or never married

37

12

42

13

  Married or living with a partner

274

88

277

87

 Children under 18 years residing at home

  None

156

50

165

52

  1 Child

50

16

40

13

  2 Children

90

29

97

30

  3 Children

12

4

14

4

  4 Children

1

0.4

3

1

  5 Children

1

0.3

0

0

  6 Children

0

0

0

0

  7 Children

1

0.3

0

0

  Exceeding 7 Children

0

0

0

0

 Experience in the construction industrya

  1–5 years

17

5

20

6

  6–10 years

34

11

37

12

  11–15 years

38

12

40

12

  16–20 years

43

14

44

14

  Exc. 20 years

179

58

178

56

 Employment positiona

  Salaried employee

101

32

98

31

  Associate

34

11

30

9

  Director or partner

176

57

191

60

 

Mean

SD

Mean

SD

Behavioural characteristics

 Job autonomy and control (JAC)c

  JAC score (Range 3–12)

9.74

2.21

9.77

2.01

 Job pressure (JP)c

  JP score (Range 3–15)

11.01

2.85

11.04

2.77

 Work contact (WC)c,d

  WC score (Range 3–15)

9.66

2.81

9.15

2.83

 Work-family conflict (WFC)c

  WFC score (Range 4–20)

12.70

3.74

12.61

3.74

 Psychological distress (PD)c

  PD score (Range 7–35)

17.46

5.73

17.42

5.54

 Sleep problems (SP)c

  SP score (Range 3–15)

8.72

2.87

8.33

2.73

  1. Notes: a The Chi-square test for independence or the b Fisher’s Exact Test was used for categorical variables, and the c independent samples t-test was used for continuous variables. d No differences were found between sub-sample characteristics and means, except for work contact; with sub-sample A depicting significantly higher levels of work contact than did sub-sample B