Reduction in COVID-19 related resource loss and decline in prevalence of probable depression in Chinese adults: an application of the Conservation of Resource Theory

Table 2 Between-group differences in the multidimensional resource losses and PHQ-9 score between the two surveys

	Range	Overall	Round 1	Round 2	P of t-test	Cohen’s d
	Range	Mean, SD	Mean, SD	Mean, SD	P of t-test	Cohen’s d
Resource loss of the CORS-COVID-19
Loss in financial resource	1–3	1.5, 0.6	1.9, 0.7	1.4, 0.5	< 0.001	0.88
Loss in fun	1–3	2.2, 0.6	2.3, 0.6	2.2, 0.5	0.332	0.07
Loss in future control	1–3	1.7, 0.7	1.9, 0.7	1.6, 0.7	< 0.001	0.39
Loss in social resource	1–3	1.6, 0.5	1.8, 0.6	1.5, 0.4	< 0.001	0.60
Loss in family resource	1–3	1.1, 0.3	1.2, 0.4	1.1, 0.3	< 0.001	0.36
Overall scale	1–3	1.6, 0.4	1.8, 0.4	1.6, 0.3	< 0.001	0.56
Depressive symptoms (PHQ-9 score)	0–21	1.4, 2.9	2.6, 4.0	0.8, 1.9	< 0.001	0.55

SD: Standard deviation; CORS-COVID-19: Conservation of Resource Scale for COVID-19; PHQ-9: The 9-item Patient Health Questionnaire. Cohen’s d values of 0.20‒0.49, 0.50‒0.79, and ≥ 0.80 refer to small, moderate, and large effect size, respectively

ISSN: 2049-9957