TABLE 2.
Comparisons of Work Environment Features in all Employees Survey: Two-Sample t-Tests for Baseline (f0) and Follow-Up (f2) Groups With the Overlapping Subjects; Paired t Test for Comparison within Overlapping Subjects (n = 428)
| Variable Name | Scale Range | AES Baseline Values (2-Sample t Test) | P | AES Follow-Up Values (2-Sample t Test) | P | Paired t Tests: f0 vs f2 within Follow-Up Group | ||
|---|---|---|---|---|---|---|---|---|
| Overlap Group (n = 428): Mean (SD) | Baseline Only (n = 631): Mean (SD) | Overlap Group (n = 428): Mean (SD) | Follow-Up Only (n = 1125): Mean (SD) | P | ||||
| Organizational support for safety (NOSACQ) | 1–4 (higher = better) | 2.75 (0.54) | 2.76 (0.52) | 0.58 | 2.70 (0.55) | 2.82 (0.56) | 0.0001 | 0.10 |
| Safety hazards | 1–4 (higher = worse) | 2.35 (0.59) | 2.32 (0.58) | 0.29 | 2.24 (0.57) | 2.24 (0.60) | 0.83 | 0.0007 |
| Decision latitude | 8–24 (higher = better) | 17.23 (2.90) | 17.16 (3.00) | 0.71 | 17.08 (2.95) | 16.91 (2.91) | 0.31 | 0.42 |
| Psychological demands | 2–8 (higher = worse) | 4.71 (1.28) | 4.83 (1.33) | 0.15 | 4.73 (1.36) | 4.68 (1.35) | 0.48 | 0.95 |
| Physical demands | 5–20 (higher = worse) | 10.68 (3.63) | 10.52 (3.90) | 0.50 | 10.58 (3.56) | 10.36 (3.56) | 0.30 | 0.48 |
| Civility norms | 1–4 (higher = better) | 2.72 (0.73) | 2.78 (0.71) | 0.19 | 2.75 (0.70) | 2.77 (0.74) | 0.75 | 0.43 |
| Unsafe job | 1–4 (higher = worse) | 1.92 (0.58) | 1.89 (0.56) | 0.42 | 1.88 (0.55) | 1.87 (0.58) | 0.83 | 0.14 |
| Coworker support | 2–8 (higher = better) | 5.73 (1.59) | 5.59 (1.56) | 0.18 | 5.70 (1.51) | 5.83 (1.59) | 0.14 | 0.79 |
| Supervisor support | 2–8 (higher = better) | 5.85 (1.19) | 5.81 (1.23) | 0.60 | 5.81 (1.25) | 5.90 (1.24) | 0.22 | 0.39 |
| Social support | 4–16 (higher = better) | 11.58 (2.31) | 11.39 (2.33) | 0.21 | 11.54 (2.31) | 11.74 (2.44) | 0.16 | 0.58 |
NOSACQ, Nordic Occupational Safety Climate Questionnaire