| Do you feel stressed? |  | p-value t test | |||
WHOQoL-Bref, mean (sd) | No | Yes | Â | Â | Â | Â |
 Overall QoL (20 missing) | 4.1 (0.7) | 3.6 (0.7) |  |  |  | <0.001 |
 Satisfaction with health (20 missing) | 4.3 (0.7) | 3.8 (0.9) |  |  |  | <0.001 |
 I Physical health (21 missing) | 71.2 (12.0) | 64.7 (11.4) |  |  |  | <0.001 |
 II Psychological health (21 missing) | 71.7 (12.1) | 64.7 (11.4) |  |  |  | <0.001 |
 III Social relationships (25 missing) | 67.4 (13.0) | 60.9 (14.7) |  |  |  | 0.004 |
 IV Environment (22 missing) | 71.6 (14.0) | 61.6 (14.6) |  |  |  | <0.001 |
 | Do you feel stressed? |  | p-value Chi-Square or t-test | |||
Friendship Scale, n (%) (24 missing) | No | Yes | Â | Â | Â | Â |
 Very isolated/Isolated | 7 (25.0%) | 21 (75.0%) |  |  |  | 0.001a |
 Some isolation | 17 (37.8%) | 28 (62.2%) |  |  |  |  |
 Socially connected/Very connected | 52 (61.2%) | 33 (38.8%) |  |  |  |  |
 Mean score (sd) | 20.0 (6.5) | 17.6 (3.4) |  |  |  | <0.001 |
 | Social connectedness |  | p-value ANOVA | |||
WHOQoL-Bref, mean (sd) | Very isolated | Isolated | Some isolation | Socially connected | Very connected | Â |
 Overall QoL (5 missing) | 3.6 (0.9) | 3.5 (0.8) | 3.7 (0.7) | 4.0 (0.6) | 4.1 (0.7) | 0.002 |
 Satisfaction with health (6 missing) | 3.6 (1.2) | 3.8 (0.7) | 4.0 (0.8) | 4.0 (0.8) | 4.2 (0.8) | 0.156 |
 I Physical health (8 missing) | 58.7 (11.0) | 64.9 (14.0) | 65.7 (11.6) | 68.3 (11.3) | 72.8 (11.0) | 0.005 |
 II Psychological health (7 missing) | 61.1 (10.8) | 61.5 (12.9) | 67.2 (9.1) | 68.6 (11.9) | 73.0 (13.7) | 0.002 |
 III Social relationships (16 missing) | 52.8 (18.6) | 58.3 (13.0) | 60.9 (15.3) | 63.3 (13.5) | 73.6 (10.6) | <0.001 |
 IV Environment (8 missing) | 53.8 (17.4) | 58.2 (16.9) | 62.5 (13.2) | 68.1 (13.0) | 75.4 (12.5) | <0.001 |
 | Agreement between experienced and preferred working management style |  | p-value t test | |||
WHOQoL-Bref, mean (sd) | No | Yes | Â | Â | Â | Â |
 Overall QoL (13 missing) | 3.7 (0.8) | 3.9 (0.7) |  |  |  | 0.026 |
 Satisfaction with health (13 missing) | 3.8 (0.9) | 4.1 (0.8) |  |  |  | 0.027 |
 I Physical health (13 missing) | 64.6 (12.9) | 69.6 (11.4) |  |  |  | 0.009 |
 II Psychological health (13 missing) | 65.0 (12.7) | 69.8 (11.5) |  |  |  | 0.014 |
 III Social relationships (18 missing) | 61.2 (15.7) | 65.0 (14.1) |  |  |  | 0.107 |
 IV Environment (14 missing) | 61.4 (16.9) | 69.1 (13.1) |  |  |  | 0.001 |