Table 1 Item reliability and intraclass correlation coefficients
| Category | Number of items | Cronbach alpha coefficient | Average inter-item correlations | ICC between facilities | ICC within facility |
|---|---|---|---|---|---|
| All job conditions | 34 | 0.89 | 0.20 | 0.19 | 0.81 |
| Intrinsic motivational factors | 12 | 0.80 | 0.24 | 0.22 | 0.78 |
| Recognition | 3 | 0.48 | 0.23 | – | – |
| Opportunity for advancement | 3 | 0.62 | 0.35 | – | – |
| Features of the work itself | 6 | 0.61 | 0.21 | – | – |
| Extrinsic motivational factors | 22 | 0.84 | 0.19 | 0.29 | 0.71 |
| Remuneration | 3 | 0.67 | 0.41 | – | – |
| Supervision | 4 | 0.83 | 0.55 | – | – |
| Interpersonal relationships | 3 | 0.63 | 0.36 | – | – |
| Working conditions | 8 | 0.73 | 0.23 | – | – |
| Living conditions | 4 | 0.66 | 0.33 | – | – |
