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. 2021 Jun 3;69(2):211–218. doi: 10.1016/j.jadohealth.2021.04.028

Table 1.

Demographic characteristics of study participants and descriptive statistics for predictor and outcome variables

Variables Luxembourg
Germany
Brazil
Test of significance
n (%) n (%) n (%) χ2
Gender (girls)a 233 (60) 241 (54) 381 (59) χ2(2, N = 1,489) = 3.60, p = .17
Residence area (city or town) 150 (39)1 240 (57)1 590 (97)1 χ2(2, N = 1,416) = 422.50, p < .001
Dwelling (with outside area) 319 (80)1 384 (84)2 325 (49)1,2 χ2(2, N = 1,512) = 188.58, p < .001
Siblings (yes) 321 (81)1 365 (80)2 448 (68)1,2 χ2(2, N = 1,511) = 33.32, p < .001
Own bedroom (yes) 354 (89)1 420 (92)2 478 (72)1,2 χ2(2, N = 1,514) = 89.61, p < .001
Access to computer/tablet at home (yes) 386 (97)1 434 (95)2 409 (62)1,2 χ2(2, N = 1,515) = 287.75, p < .001
School status at the time of survey completion (fully closed) 191 (48)1 294 (65)1 655 (99)1 χ2(2, N = 1,512) = 389.17, p < .001
Illness (self or household member) due to the pandemic (yes)a 75 (19)1 56 (12)1 199 (30)1 χ2(2, N = 1,515) = 52.73, p < .001
Social class (based on HISEI) χ2(2, N = 1,204) = 463.47, p < .001
 Low 24 (7)1 19 (5)1 78 (16)1
 Middle 55 (17) 37 (9) 51 (11)
 High
251 (76)
346 (86)
343 (73)


Mean (SD)
Mean (SD)
Mean (SD)
F
Agea 12.75 (1.99) 12.71 (2.03) 12.84 (1.81) F(2, 1,512) = .73, p = .48
Life satisfaction before the pandemica 6.67 (1.10)1 6.65 (1.00)2 6.49 (1.10)1,2 F(2, 1,512) = 4.63, p = .01
School performance before the pandemica 6.50 (.97)1 6.57 (.94)2 6.25 (1.00)1,2 F(2, 1,512) = 17.51, p < .001
Fear of becoming ill during the pandemica 2.26 (.97)1,2 2.00 (.92)1 2.08 (.94)2 F(2, 1,485) = 8.09, p < .001
Satisfaction with freedom during the pandemica 2.54 (1.04)1 2.62 (.98)2 1.91 (.94)1,2 F(2, 1,465) = 84.32, p < .001
Difficulty and quantity of schoolwork during the pandemica 4.13 (1.53)1 4.05 (1.53)2 4.71 (1.54)1,2 F(2, 1,478) = 30.26, p < .001
Content of schoolwork during the pandemica 4.69 (1.45)1 4.41 (1.48)1,2 4.58 (1.62)2 F(2, 1,480) = 3.43, p = .03
Leisure time before the pandemica 3.41 (.92)1 3.53 (.84)2 3.13 (.96)1,2 F(2, 1,508) = 28.37, p < .001
Internet use before the pandemica 1.95 (.89)1 1.68 (.90)1 2.36 (.80)1 F(2, 1,501) = 127.37, p <. 001
Screen time during the pandemica 4.52 (1.52)1 4.41 (1.50)2 4.96 (1.57)1,2 F(2, 1,508) = 28.32, p < .001
Physical activities during the pandemica 5.21 (1.70)1 5.57 (1.54)1 3.41 (1.51)1 F(2, 1,504) = 305.19, p < .001
Passive activities during the pandemica 5.02 (1.51)1 5.23 (1.46)2 5.50 (1.60)1,2 F(2, 1,505) = 12.98, p < .001
Parental occupational status (HISEI)a 67.94 (16.32)1 72.58 (13.75)1,2 66.29 (21.37)2 F(2, 1,201) = 14.21, p < .001
Wealth possessionsa 5.60 (2.09)1 4.38 (1.75)1 3.85 (2.07)1 F(2, 1,511) = 99.02, p < .001
Cultural possessionsa 3.60 (1.89)1 4.46 (1.74)1 1.91 (1.81)1 F(2, 1,512) = 288.32, p < .001
Satisfaction with the way adults listen during the pandemica 3.02 (.90)1 2.98 (.91)2 2.76 (.96)1,2 F(2, 1,468) = 11.76, p < .001
Contact with teachers during the pandemica 2.98 (.96)1 2.22 (1.01)1 3.26 (1.04)1 F(2, 1,476) = 141.43, p < .001
Lengths of not attending school due to the pandemica 8.36 (1.84)1 8.59 (2.13)2 9.95 (3.26)1,2 F(2, 1,509) = 59.24, p < .001
General life satisfaction during the pandemicb 2.74 (.81)1 2.58 (.74)1 2.28 (.78)1 F(2, 1,512) = 47.97, p < .001
Satisfaction with school life during the pandemicb 2.76 (.81)1 2.58 (.83)1 2.20 (.83)1 F(2, 1,512) = 63.50, p < .001
Satisfaction with health and safety during the pandemicb 6.68 (1.33)1 6.59 (1.44)2 6.02 (1.60)1,2 F(2, 1,512) = 32.49, p < .001
Negative effects during the pandemicb 8.28 (2.78)1 7.99 (2.66)2 9.25 (2.94)1,2 F(2, 1,512) = 30.86, p < .001
Worries during the pandemicb 7.15 (2.70)1 6.90 (2.49)2 8.76 (3.00)1,2 F(2, 1,512) = 72.21, p < .001

Note: HISEI score [21] of either caretaker or the only available caretaker’s score (low: <37; middle: between 37 and 63; high: >63). Figures with the same superscript numbers are statistically different per post hoc tests with Bonferroni corrections.

HISEI = Highest International Socio-Economic Index; SD = standard deviation.

a

Predictor variables.

b

Outcome variables.