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. 2021 Mar 1;21:425. doi: 10.1186/s12889-021-10470-z

Table 3.

Chi-square test of association between PHQ-9 and analyzed variables

Variables graphic file with name 12889_2021_10470_Figa_HTML.gif Df p value Cramér’s V
Time of adoption 19.97 20 0.46 0.05
Restriction level 33.28 12 < 0.001* 0.07
Family income 104.95 16 < 0.001* 0.12
IPAQ current 88.82 16 < 0.001* 0.11
Δ IPAQ 61.89 8 < 0.001* 0.18

* Statistically significant association (p ≤ 0.05); IPAQ - International physical activity questionnaire; PHQ-9 - Patient Health Questionnaire-9; Δ IPAQ - the difference between the current and pre-pandemic categories of IPAQ; X2 –Chi-square result; df – degrees of freedom