Table 6 Hierarchical regression analysis of control variables, variables of emotional and supportive human relations and outcome variables current burden and severity of depressive symptoms (PHQ-2) for the sample of POC at T2 (n = 312)

Constant

2.873 (2.14, 3.61)

.373

7.710

 < .001*

4.252 (2.62, 5.88)

.827

5.143

 < .001*

Step 1 Control variable (with a significant correlation p <  = .05)

Adj. R² = .080

Adj. R² = .028

Having Children

-

-

-

-

-

.220 (-.02, .46)

.120

.090 (-.15, .33)

1.827

.069

Working fulltime/parttime

-.174 (-.40, .05)

.115

-.071 (-.30, .15)

-1.512

.132

.112 (-.34, .56)

.228

.024 (-.42, .47)

.492

.623

Contact-COVID

.134 (-.08, .35)

.110

.059 (-.16, .27)

1.219

.224

-

-

-

-

-

Step 2 Emotional human relations

Adj. R² = .339

Adj. R² = ..283

WFC

.058 (.04, .08)

.012

.254 (.23, .28)

4.902

 < .001*

.061 (.01, .11)

.024

.139 (.09, .19)

2.569

.011*

Fear contagion of relatives

.038 (-.03, .11)

.036

.051 (-.02, .12)

1.059

.291

.006 (-.13, .14)

.070

.004 (-.13, .14)

.082

.935

Triage

.043 (-.04, .13)

.042

.049 (-.03, .13)

1.036

.301

.134 (-.03, .30)

.082

.081 (-.08, .24)

1.625

.105

Fear patients die without contact relatives

.045 (-.02, .11)

.032

.068 (.01, .13)

1.399

.163

.087 (-.04, .21)

.064

.068 (-.06, .19)

1.364

.174

Pat. security adversely affected

.104 (.03, .18)

.038

.144 (.07, .22)

2.704

.007*

.206 (.06, .35)

.075

.150 (.00, .30)

2.748

.006*

Burden due to restricted social contacts

.119 (.04, .20)

.040

.146 (.07, .22)

2.989

.003*

.290 (.14, .44)

.078

.187 (.03, .34)

3.700

 < .001*

Step 3 supportive human relations

Adj. R² = .454

Adj. R² = ..413

ESSI-D

.009 (-.01, .03)

.010

.044 (.02, .06)

.918

.359

-.072 (-.11, -.03)

.020

-.180 (-.22, -.14)

-3.594

 < .001*

Trust in colleagues

-.068 (-.15, .01)

.042

-.079 (-.16, .00)

-1.632

.104

-.294 (-.46, -.13)

.082

-.181 (-.34, -.02)

-3.599

 < .001*

Protection by local authorities

-.266 (-.35, -.18)

.044

-.302 (-.39, -.22)

-5.999

 < .001*

-.317 (-.49, -.15)

.087

-.190 (-.36, -.02)

-3.640

 < .001*

Protection by employer

-.005 (-.07, .06)

.033

-.007 (-.07, .06)

-.158

.875

-.039 (-.17, .09)

.064

-.029 (-.15, .10)

-.605

.546

Adj. R² adjusted R² (explained variance), ESSI-D ENRICHD Social Support Inventory, SE standard error, WFC Work Family Conflict, “- “ = not entered into regression analyses due to no significant correlation between control variable and considered outcome parameter (p > .05, see description of statistical analyses above), significant p-values are marked (*)