How to measure the impact of the COVID-19 pandemic on quality of life: COV19-QoL – the development, reliability and validity of a new scale

	Non-clinical sample		Clinical sample
Items	h²	r_iF	h²	r_iF
4. ...I feel more tense than before	.771	.878	.742	.861
5. ...I feel more depressed than before	.752	.867	.658	.811
2. ...I think my mental health has deteriorated	.744	.863	.711	.843
3. ...I think my physical health may deteriorate	.683	.826	.506	.711
6. ...I feel that my personal safety is at risk	.487	.698	.500	.707
1. ...I think my quality of life is lower than before	.411	.641	.417	.645

[i] PCA, principal component analysis

Table 2

Results of internal consistency check of the COV19-QoL scale in non-clinical and clinical samples

	Non-clinical sample			Clinical sample
Due to the spread of the coronavirus,	Corrected r_it	SMC	α if item deleted	Corrected r_it	SMC	α if item deleted
...I think my quality of life is lower than before	.525	.292	.892	.517	.274	.857
...I think my mental health has deteriorated	.775	.662	.852	.741	.605	.815
...I think my physical health may deteriorate	.733	.551	.859	.586	.362	.842
...I feel more tense than before	.800	.655	.847	.762	.618	.808
...I feel more depressed than before	.780	.676	.851	.694	.566	.823
...I feel that my personal safety is at risk	.582	.359	.883	.585	.384	.842

[i] SMC, squared multiple correlation

Table 3

Intercorrelations of the COV19-QoL scale items (above the diagonal: non-clinical sample; below the diagonal: clinical sample)

	Item 1	Item 2	Item 3	Item 4	Item 5	Item 6
Item 1	-	.458	.480	.489	.416	.350
Item 2	.475	-	.663	.708	.765	.474
Item 3	.362	.506	-	.676	.627	.481
Item 4	.443	.685	.514	-	.733	.548
Item 5	.413	.700	.437	.678	-	.547
Item 6	.368	.440	.487	.570	.427	-

[i] Note: All correlation coefficients are significant at p < .001

Table 4

Descriptive statistical values of the items and total scores of the COV19-QoL scale in the non-clinical and clinical samples

Due to the spread of the coronavirus,	Non-clinical sample		Clinical sample
Due to the spread of the coronavirus,	M	SD	M	SD
1. ...I think my quality of life is lower than before	3.34	1.22	3.07	1.45
2. ...I think my mental health has deteriorated	2.63	1.19	2.07	1.28
3. ...I think my physical health may deteriorate	3.02	1.18	2.53	1.29
4. ...I feel more tense than before	3.11	1.26	2.58	1.44
5. ...I feel more depressed than before	2.67	1.23	2.09	1.29
6. ...I feel that my personal safety is at risk	2.70	1.20	2.06	1.26
COV19-QoL (total scale)	2.91	0.97	2.40	1.02

Table 5

Correlations of the COV19-QoL scale items and the whole scale with participants’ age (non-clinical and clinical samples)

Due to the spread of the coronavirus,	Non-clinical sample		Clinical sample
Due to the spread of the coronavirus,	r	p	r	p
1. ...I think my quality of life is lower than before	−.020	.471	.049	.491
2. ...I think my mental health has deteriorated	−.158	.000	.141	.046
3. ...I think my physical health may deteriorate	−.057	.038	.141	.046
4. ...I feel more tense than before	−.083	.002	.122	.085
5. ...I feel more depressed than before	−.092	.001	.146	.039
6. ...I feel that my personal safety is at risk	.102	.000	.102	.149
COV-19-QoL (total)	.064	.018	.151	.032

	Completely disagree	Disagree	Neither agree nor disagree	Agree	Completely agree
1. ...I think my quality of life is lower than before	1	2	3	4	5
2. ...I think my mental health has deteriorated	1	2	3	4	5
3. ...I think my physical health may deteriorate	1	2	3	4	5
4. ...I feel more tense than before	1	2	3	4	5
5. ...I feel more depressed than before	1	2	3	4	5
6. ...I feel that my personal safety is at risk	1	2	3	4	5

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DOI: https://doi.org/10.2478/gp-2020-0016 | Journal eISSN: 2451-4950

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Language: English

Submitted on: May 9, 2020

Accepted on: May 30, 2020

Published on: Jun 25, 2020

Published by: Sciendo

In partnership with: Paradigm Publishing Services

Publication frequency: 2 issues per year

Keywords:

The COVID-19 pandemic,

severe mental illness,

Related subjects:

Psychiatry, psychotherapy,

Psychosomatic medicine and psychotherapy,

Paediatric and juvenile psychatry and psychotherapy,

Social sciences,

Psychology,

Psychology, other

© 2020 Selman Repišti, Nikolina Jovanović, Martina Rojnić Kuzman, Sara Medved, Stefan Jerotić, Emina Ribić, Tihana Majstorović, Silvana Markovska Simoska, Ljubisha Novotni, Miloš Milutinović, Biljana Blazevska Stoilkovska, Tamara Radojičić, Ivan Ristić, Mirjana Zebić, Tamara Pemovska, Manuela Russo, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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