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. 2021 Feb 24;298:113822. doi: 10.1016/j.psychres.2021.113822

Table 3.

Emotional experiences and quality of life relating to COVID-19 by group.

Estimated marginal mean ± standard error Statistics
Healthcare worker (HCW; n=879-905) Other essential worker (OEW; n=789-810) General population (GNP; n=3328-3443) F Signifi-cance Effect size (ƞ2) Group contrasts
Emotional experiences (DASS-21, α=.942; PANAS, α=.903)
Depression 2.82±0.09 3.30±0.08 3.24±0.07 32.9 <.001 .013 HCW<OEW≈GNP
Anxiety 2.06±0.08 2.50±0.08 2.30±0.07 20.6 <.001 .008 HCW<GNP<OEW
Stress 3.38±0.07 3.59±0.07 3.48±0.06 5.7 .003 .002
Positive affect 3.08±0.02 3.07±0.02 3.09±0.02 0.6 .549 <.001 HCW<OEW
Negative affect 2.96±0.02 3.00±0.02 2.98±0.02 0.7 .501 <.001 -
Quality of life (EUROHIS-QoL, α=.869) 777.1±17.9 730.0±17.5 764.9±14.9 5.6 .004 .002 -
Life (in general) 16.53±0.22 15.96±0.23 16.28±0.11 1.6 .192 .001 OEW<HCW≈GNP
Health 13.01±0.23 12.17±0.24 12.51±0.18 3.3 .036 .001 -
Energy levels 13.22±0.23 12.77±0.24 12.86±0.12 1.2 .295 <.001 -
Activities of daily living 15.31±0.24 13.96±0.25 13.92±0.12 13.6 <.001 .005 OEW≈GNP<HCW
Self-satisfaction 12.90±0.22 11.31±0.23 11.55±0.11 17.1 <.001 .007 OEW≈GNP<HCW
Personal relationships 14.64±0.24 14.08±0.25 14.13±0.12 1.9 .143 .001 -
Finances 16.95±0.26 15.80±0.27 15.94±0.13 6.7 .001 .003 OEW≈GNP<HCW
Conditions of living 17.37±0.24 16.76±0.25 17.17±0.12 1.6 .196 .001 -

Note. DASS-21=Depression Anxiety Stress Scales (three seven-item subscales assessing negative emotions, rated on four-point Likert scales ranging from 0-3, with higher scores indicating greater psychopathology); PANAS=Positive and Negative Affect Schedule (two 10-item subscales assessing positive and negative affect, rated on five-point Likert scales ranging from 1-5, with higher scores indicating stronger emotional experiences); EUROHIS-QoL=European Health Interview Surveys - Quality of Life (eight-item measure assessing quality of life, rated on five-point Likert scales ranging from 1-5, with higher scores indicating greater levels of satisfaction). Data transformations involved square root, logarithm, and square respectively for DASS, PANAS and EUROHIS-QoL. Statistics involved multivariate analyses of variance, with significance set at p<.01 and effect size partial ƞ2: .01=small, .06=medium, .14=large. Only significant group contrasts are shown, and missing data was managed by case-wise deletion for each measure.