Summary statistics of NFR Score by occupational characteristics
| Occupational characteristics | N (%) | NFR Score | |
| Median (95% CI)* | [LQ–UQ] | ||
| All participants | 4247 (100) | 70.0 (62.0 to 78.0) | 45.5–90.0 |
| Scheduled weekend work frequency | |||
| 1 in 2 | 1479 (36.0) | 72.7 (72.3 to 73.2) | 54.5–90.9 |
| 1 in 3 | 865 (21.1) | 72.7 (68.1 to 77.4) | 45.5–90.9 |
| 1 in 4 | 542 (13.2) | 63.6 (57.1 to 70.2) | 45.5–81.8 |
| 1 in 5 | 310 (7.5) | 54.5 (48.4 to 60.7) | 36.4–81.8 |
| 1 in 6 | 485 (11.8) | 54.5 (49.8 to 59.3) | 27.3–81.8 |
| <1 in 6 | 307 (7.5) | 63.6 (55.2 to 72.1) | 36.4–81.8 |
| None | 121 (2.9) | 54.5 (45.7 to 63.4) | 27.3–81.8 |
| Missing | 138 (3.4) | 72.7 (65.9 to 79.6) | 45.5–90.9 |
| Maximum number of consecutive clinical shifts scheduled to work | |||
| 1 | 52 (1.3) | 63.6 (45.1 to 82.2) | 27.3–90.9 |
| 2 | 190 (4.6) | 54.5 (47.6 to 61.5) | 27.3–72.7 |
| 3 | 465 (11.3) | 63.6 (60.3 to 67.0) | 36.4–81.8 |
| 4 | 783 (19) | 63.6 (63.0 to 64.3) | 45.5–81.8 |
| 5 | 827 (20.1) | 72.7 (66.2 to 79.3) | 45.5–81.8 |
| 6 | 389 (9.5) | 72.7 (67.3 to 78.2) | 45.5–90.0 |
| 7 | 855 (20.8) | 72.7 (70.8 to 74.6) | 45.5–90.9 |
| 8 | 554 (13.5) | 72.7 (66.5 to 78.9) | 54.5–90.9 |
| Missing | 132 (3.2) | 72.7 (67.9 to 77.6) | 54.5–90.9 |
Frequency and percentage, median Need for Recovery (NFR) Score with 95% bootstrapped CIs and the IQR of participants within each category.
*Bootstrapped 95% CIs based on 1000 replications on a minimum of 8 observations.
LQ, lower quartile; UQ, upper quartile.