Table 1.
Demographic and psychometric characteristics of all 11,311 users of the web application
| Variables | All users | Users per BRIX-O group (score, range) | P | ||
|---|---|---|---|---|---|
| n = 11,311 | I (0-1.49) n = 2259 | II (1.50-3.49) n = 6188 | III (3.50-6.00) n = 2864 | ||
| Demographics (n = 11,311) | |||||
| Age (yrs), mean (SD) | 34.76 (10.38) | 36.77 (10.94) | 34.02 (10.08) | 34.77 (10.36) | <.001 |
| Female sex, n (%) | 9597 (84.8) | 1817 (80.4) | 5339 (86.3) | 2441 (85.2) | <.001 |
| Cohabiting (yes), n (%) | 8417 (74.4) | 1253 (78.0) | 4595 (74.3) | 2076 (72.5) | <.001 |
| Educational level, n (%)a | <.001 | ||||
| I | 1372 (12.1) | 175 (7.7) | 719 (11.6) | 477 (16.7) | |
| II | 5526 (48.9) | 1097 (48.6) | 3030 (49.0) | 1399 (48.8) | |
| III | 1652 (14.6) | 273 (12.1) | 942 (15.2) | 437 (15.3) | |
| IV | 2762 (24.4) | 714 (31.6) | 1497 (24.2) | 551 (19.2) | |
| MBI-GS scores (n = 11,311) | |||||
| MBI total, mean (SD) | 39.66 (18.18) | 14.76 (5.43) | 37.93 (8.80) | 63.04 (8.48) | <.001 |
| BRIX-O, mean (SD) | 2.62 (1.18) | 0.98 (0.34) | 2.51 (0.57) | 4.14 (0.49) | <.001 |
| Exhaustion, mean (SD) | 16.88 (7.76) | 6.88 (3.42) | 16.60 (5.49) | 25.37 (3.55) | <.001 |
| Cynicism, mean (SD) | 12.72 (8.15) | 3.74 (2.92) | 11.33 (5.42) | 22.81 (4.72) | <.001 |
| Low PE, mean (SD) | 10.06 (7.20) | 4.13 (3.87) | 10.00 (6.42) | 14.86 (7.28) | <.001 |
| PSS scores (n = 2999) | |||||
| PSS total, mean (SD) | 22.87 (7.92) | 14.64 (7.39) | 22.91 (6.45) | 28.54 (5.31) | <.001 |
| PSS categories, n (%) | |||||
| Scores 0-13 | 442 (14.7 | 288 (49.1) | 143 (9.1) | 11 (1.3) | |
| Scores 14-19 | 461 (15.4) | 144 (24.5) | 287 (18.3) | 30 (3.6) | |
| Scores 20-40 | 2096 (69.9) | 155 (26.4) | 1140 (72.6) | 801 (95.1) | |
| ISI scores (n = 3566) | |||||
| ISI total, mean (SD) | 11.46 (6.33) | 6.94 (5.19) | 11.27 (5.85) | 15.11 (5.74) | <.001 |
| ISI categories, n (%) | |||||
| Scores 0-7 | 1080 (30.3) | 439 (61.9) | 540 (28.6) | 101 (10.4) | |
| Scores 8-14 | 1292 (36.2) | 205 (28.9) | 748 (39.7) | 338 (34.8) | |
| Scores 15-28 | 1194 (33.5) | 65 (9.1) | 597 (31.7) | 532 (54.8) | |
| POMS scores (n = 5091) | |||||
| Vigor, mean (SD) | 8.35 (5.70) | 13.11 (6.06) | 8.11 (5.09) | 5.28 (3.96) | <.001 |
| Depression, mean (SD) | 16.82 (12.77) | 6.19 (7.46) | 15.04 (10.62) | 27.47 (11.82) | <.001 |
| Hostility, mean (SD) | 8.65 (6.62) | 3.83 (4.36) | 8.23 (5.83) | 13.08 (6.65) | <.001 |
| Fatigue, mean (SD) | 14.12 (7.22) | 7.22 (5.16) | 13.93 (6.21) | 19.63 (5.65) | <.001 |
| Positive affect, mean (SD) | 25.06 (17.09) | 39.33 (18.18) | 24.33 (15.26) | 15.84 (11.88) | <.001 |
| Negative affect, mean (SD) | 31.18 (18.07) | 14.15 (11.42) | 29.86 (14.74) | 46.44 (15.27) | <.001 |
| PA/NA ratio, median (IQR) | 0.70 (0.32, 1.83) | 3.43 (1.59, 7.00) | 0.75 (0.38, 1.50) | 0.33 (0.14, 0.54) | <.001 |
| PA/NA ratio categories, n (%) | |||||
| Ratio ≥3.0 | 859 (16.9) | 584 (56.8) | 267 (10.0) | 8 (0.6) | |
| Ratio ≥2.0 but <3.0 | 334 (6.6) | 127 (12.3) | 202 (7.5) | 5 (0.4) | |
| Ratio ≥1.0 but <2.0 | 811 (15.9) | 163 (15.9) | 577 (21.5) | 71 (5.1) | |
| Ratio ≥0.5 but <1.0 | 1105 (21.7) | 78 (7.6) | 724 (27.0) | 303 (22.0) | |
| Ratio <0.5 | 1982 (38.9) | 76 (7.4) | 913 (34.0) | 993 (71.9) | |
BRIX-O burnout risk index-original, IQR interquartile range, ISI Insomnia Severity Index, MBI-GS Maslach Burnout Inventory-General Survey, NA negative affect, PA positive affect, PE professional efficacy, POMS Profile of Mood States, PSS Perceived Stress Scale, SD standard deviation
aEducational levels refer to compulsory education (or less), training, no training (level I); vocational apprenticeship, commercial college, secondary school (level II); school leaving examination, vocational school certificate (level III); and university of applied sciences, technical college, university degree (level IV)
P-values refer to comparisons between the three BRIX-O categories. Post-hoc comparisons between individual BRIX categories on all continuously scaled variables were significant at p < .001