Table 2. Distribution of exposures, outcome and covariates during the COVID-19 interventions and during normal times.
| Variable |
Normal times
Mean (SD, 95% CI) |
during the COVID-19 interventions
Mean (SD, 95% CI) |
| Media use in hours/day |
Smartphone |
2.48 (±1.21; 2.40-2.56) |
3.00 (±1.31; 2.92-3.09) |
|
TV |
0.83 (±0.95; 0.77-0.89) |
1.10 (±1.21; 1.02-1.18) |
|
PC/computer/tablet |
2.04 (±1.39; 1.95-2.14) |
2.94 (±1.61; 2.83-3.05) |
|
Gaming console |
0.19 (±0.53; 0.15-0.22) |
0.31 (±0.83; 0.25-0.36) |
|
Total media use |
5.54 (±2.29; 5.39-5.69) |
7.35 (±2.78; 7.17-7.53) |
|
Total social media use |
2.74 (±1.69; 2.63-2.85) |
3.77 (±2.33; 3.62-3.93) |
| Physical activity ≥30 min. in days/week |
3.76 (±1.89; 3.64-3.89) |
3.65 (±2.05; 3.52-3.79) |
|
N (%) |
N (%) |
| PA recommendations* |
Complied |
331 (37.44) |
325 (36.76) |
|
Not complied |
553 (62.56) |
559 (63.24) |
| Main occupation |
College/university |
770 (87.10) |
598 (67.65) |
|
Vocational training/ school/traineeship |
40 (4.52) |
25 (2.83) |
|
Employed |
36 (4.07) |
36 (4.07) |
|
Unemployed |
2 (0.23) |
18 (2.04) |
|
Be on/work short-time |
- |
10 (1.13) |
|
Else |
36 (4.07) |
197 (22.29) |
| Working hours in main occupation in hours |
0 |
5 (0.57) |
18 (2.04) |
|
1 - <20 |
133 (15.05) |
219 (24.77) |
|
20 - <30 |
225 (25.45) |
145 (16.40) |
|
30 - <40 |
362 (40.95) |
241 (27.26) |
|
≥40 |
159 (17.99) |
261 (29.52) |
| Physical exertion at main occupation |
|
Not working |
5 (0.57) |
18 (2.04) |
|
Sitting activity without physical exertion |
329 (37.22) |
640 (72.40) |
|
Sitting with some physical exertion |
384 (43.44) |
137 (15.50) |
|
Standing or walking activity without physical exertion |
86 (9.73) |
34 (3.85) |
|
Standing or walking activity with some physical exertion |
50 (5.66) |
29 (3.28) |
|
Manual, physical (very) demanding activity |
30 (3.40) |
25 (2.83) |
|
Missing |
0 |
1 (0.11) |
| Second job |
Yes |
327 (36.99) |
222 (25.11) |
|
No |
557 (63.01) |
662 (74.89) |
| Cohabitation |
Living alone |
94 (10.63) |
81 (9.16) |
|
Living with others |
790 (89.37) |
803 (90.84) |
| Changes in free time |
More free time |
/ |
475 (53.73) |
|
No changes |
/ |
175 (19.80) |
|
Less free time |
/ |
234 (26.47) |
| Changes in time caring for others |
More time caring |
/ |
128 (14.48) |
|
No changes |
/ |
288 (32.58) |
|
Less time caring |
/ |
30 (3.39) |
|
Does not apply |
/ |
438 (49.55) |
N number of observations, SD standard deviation, CI confidence interval,
*PA recommendations according to the WHO guidelines: 5 or more days per week of at least 30 minutes of physical activity that raised the breathing rate (WHO, 2010).
