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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