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. 2021 Aug 12;11(1):2365. doi: 10.4081/jphr.2021.2365

Table 3.

Relationship of personal characteristics to perceived stress, effort, reward, over-commitment subscales and effort-reward imbalance (Kruskal-Wallis H test & Mann-Whitney U test for post-hoc pairwise comparisons).*

Personal PSS-4 Effort Reward Over-commitment ERI
characteristics M (range) P M (range) P M (range) P M (range) P M (range) P
Gender 0.859 0.540 0.001 0.280 0.081
   Female 4 (0-13) 9 (3-15) 22 (8-30) 14 (6-24) 0.80 (0.2-3.3)
   Male 5 (0-13) 8 (3-15) 24 (6-30) 14 (6-23) 0.69 (0.2-4.7)
Age (years) 0.379 0.595 0.334 0.809 0.388
   18-35 (a) 5 (0-13) 8 (3-15) 23 (9-30) 14 (6-23) 0.75 (0.2-3.3)
   36-55 (b) 4 (0-13) 8.5 (3-15) 22 (6-30) 14 (7-22) 0.79 (0.2-4.7)
   56-65 (c) 4 (0-9) 7 (3-15) 21 (13-28) 13 (7-24) 0.67 (0.2-2.2)
Marital status 0.952 0.044* 0.415 0.250 0.134
   Single (a) 4 (1-11) 8 (3-15) a-b 23 (10-30) 14 (7-23) 0.70 (0.2-2.7)
   Married or in relationship (b) 5 (0-13) 9 (3-15) 22 (8-30) 14 (6-24) 0.80 (0.2-3.3)
   Divorced or widowed (c) 4 (0-9) 7 (3-15) 22 (6-29) 14 (8-22) 0.67 (0.2-4.7)
Education 0.160 0.021 0.042 0.006 0.425
   Primary or secondary school 5 (0-10) 8 (3-15) 21 (6-30) 13 (6-24) 0.72 (0.2-4.7)
   University 4 (0-13) 9 (3-15) 23 (8-30) 14 (6-23) 0.76 (0.2-3.3)
Type of job 0.264 0.002* 0.017* 0.009* 0.141
   Healthcare professional (a) 4 (0-13) 8 (3-15) a-db-dc-d 22 (8-30) 14 (6-21) a-db-dc-d 0.78 (0.2-3.3)
   Academic personnel (b) 5 (1-11) 7 (3-13) 24.5 (10-30) 14 (6-19) 0.65 (0.2-2.2)
   Other (c) 5 (1-11) 7.5 (3-15) 22 (8-30) 13 (7-24) 0.72 (0.2-3.3)
   Mixed (d) 4 (0-13) 10 (3-15) 23.5 (11-30) 15 (9-23) 0.86 (0.2-2.7)
Musculoskeletal disorder 0.015 0.037 0.001 0.013 0.011
   Yes 5 (0-13) 9 (3-15) 21 (6-30) 14 (7-24) 0.82 (0.2-4.7)
   No 4 (0-13) 8 (3-15) 24 (9-30) 14 (6-21) 0.67 (0.2-3.3)
Chronic disease 0.722 0.854 0.005 0.045 0.277
   Yes 4.5 (0-11) 9 (3-15) 21 (8-30) 14 (7-24) 0.79 (0.2-3.3)
   No 4 (0-13) 8 (3-15) 23 (9-30) 14 (6-23) 0.74 (0.2-3.3)
Self-reported health 0.001* 0.044* 0.001* 0.043* 0.001*
   Poor (a) 7 (7-13) a-db-dc-db-c Non- 9 (6-14) b-d 12 (10-13) a-da-cb-cb-dc-d 15 (15-16) 1.80 (0.9-2.3) a-db-dc-d
   Average (b) 6 (0-12) 9 (3-15) 21 (6-29) 14.5 (7-23) 0.83 (0.2-4.7)
   Good (c) 4 (0-13) 9 (3-15) 22 (9-30) 14 (6-21) 0.76 (0.2-3.3)
   Very good (d) 3 (0-9) 6 (3-15) 25 (10-30) 13 (7-24) 0.49 (0.2-2.7)

M, median; range, minimum-maximum value; PSS-4, perceived stress scale four items; ERI, effort-reward imbalance; *pairs of personal characteristic groups (indicated with a, b, c or d) with statistically significant differences are listed under the p-values.