Table 1 Scale items for variables and scales
Items | Response options |
|---|---|
1. Demographic variables | |
Gender | Male = 1; Female = 2 |
Relationship status | Divorced, separated, widowed or never married = 1; Married or living with a partner = 2 |
Children under 18 years residing at home | None = 1; 1 Child = 2; 2 Children = 3; 3 Children = 4; 4 Children = 5; 5 Children = 6; 6 Children = 7; 7 Children = 8; Exceeding 7 Children = 9 |
Experience in the construction industry | 1–5 years = 1; 6–10 yrs. = 2; 11–15 yrs. = 3; 16–20 yrs. = 4; Exc. 20 yrs. = 5 |
Employment position | Salaried employee = 1; Associate = 2; Director or Partner = 3 |
2. Job Autonomy and Control (JAC) (Scale score range: 3–12) | |
JAC1. You have the freedom to decide what you do on your job? [C18a] | Strongly disagree = 1; Somewhat disagree = 2; Somewhat agree = 3; Strongly agree = 4 |
JAC2. It is your own responsibility to decide how your job gets done? [C18c] | |
JAC3. You have a lot to say about what happens on your job? [C18d] | |
3. Job pressure (JP) (Scale score range: 3–15) | |
In the last 3 months, how often did (were): | |
JP1. You feel overwhelmed by how much you had to do at work? [C19a] | Never = 1; Rarely = 2; Sometimes = 3; Often = 4; Very often = 5 |
JP2.You have to work on too many tasks at the same time? [C19b] | |
JP3. The demands of your work exceed the time you have to do the work? [C19c] | |
4. Work contact (WC) (Scale score range: 3–15) | |
In the past 3 months: | |
WC1. How often were you called about work matters outside of normal office hours? [C20a] | Never = 1; Rarely = 2; Sometimes = 3; Often = 4; Very often = 5 |
WC2. How often did you receive job-related emails or text messages out of normal office hours? [C20b] | |
WC3. How often did you contact people about work matters outside of normal office hours? [C20c] | |
5. Work-family conflict (WFC) (Scale score range: 4–20) | |
In the past 3 months: | |
WFC1. How often did you not have sufficient time for important people in your life because of your job? [C21a] | Never = 1; Rarely = 2; Sometimes = 3; Often = 4; Very often = 5 |
WFC2. How often did you not have sufficient energy to do things with important people in your life because of your job? [C21b] | |
WFC3. How often did your work keep you from doing as good a job at home as you could? [C21c] | |
WFC4. How often did your job keep you from concentrating on important things in your family or personal life? [C21d] | |
6. Psychological distress (PD) (Scale score range: 7–35) | |
In the past month, how often did you (feel): | |
PD1. Anxious or tense? [B3a] | None of the time = 1; A little of the time = 2; Some of the time = 3; Most of the time = 4; All of the time = 5 |
PD2. Nervous? [B3b] | |
PD3. Worry a lot about things? [B4a] | |
PD4. Have you had trouble keeping your mind on what you were doing? [B4b] | |
PD5. Feel restless or fidgety? [B4c] | |
PD6. Sad or depressed? [B5a] | |
PD7. Hopeless? [B5c] | |
7. Sleep problems (SP) (Scale score range: 3–15) | |
In the past month how often have you: | |
SP1. Had trouble falling or staying asleep? [B6a] | None of the time = 1; A little of the time = 2; Some of the time = 3; Most of the time = 4; All of the time = 5 |
SP2. Woke up before you wanted to? [B6b] | |
SP3. Woke up feeling refreshed? (R) [B6c] | |