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. 2024 Sep 6;19(9):e0307870. doi: 10.1371/journal.pone.0307870

Table 1. Participants’ characteristics regarding sociodemographic and clinical aspects, physical activity, and fear of COVID-19 divided according to the intake of dietary supplements before the pandemic (n = 461, data collection in 2021).

Previous ingestion of food supplement (n = 103) No previous ingestion of food supplement (n = 358)
Age [Mean (SD)] Years 31.8 (8.2) 31.8 (9.0)
Gender (%men) 65 44
 (%women) 35 56
Education (%) Elementary School 3 3
High school 19 27
University education 45 40
Postgraduate studies 33 30
Occupation (%) Student 2 3
Retired 1 0.5
With occupation 97 95.5
No occupation 0 1
Remote work during pandemic (%) 53 54
Nutritional classification (%) Eutrophic 39 45
Overweight 52 34
Obesity 9 21
Smoker (%) 5 8
Alcohol consumption (%) 8 3
Chronic disease (%) 11 16
Confirmed case of COVID-19 (%) 23 22
Was hospitalized/complications from COVID-19 (n) 2 3
Current use of food supplements (%) 85 25
METs LIGHT [median (25–75%)] Before the pandemic 808.5 (321.8–2400,8) 693.0 (198–1980)
METs MODERATE [median (25–75%)] 2160** (720–5760) 840** (0–2340)
METs VIGOROUS [median (25–75%)] 2400** (480–6660) 320** (0–2200)
METs LIGHT [median (25–75%)] During the pandemic 792 (288,8–1980) 660 (99–1782)
METs MODERATE [median (25–75%)] 2160** (690–4800) 960** (0–2560)
METs VIGOROUS [median (25–75%)] 2280** (270–7680) 480** (0–4320)
COVID-19 fear scale [median (25–75%)] Physiological symptoms 4* (3–6) 5* (3–6)
Emotional reactions 11** (8–14) 13** (10–15)
Total score 15** (13–19) 18** (14–21)

SD, standard deviation; METs, metabolic equivalent task minutes per week.

p<0.001, Chi-square test

* p<0.05, Mann-Whitney test

** p<0.001, Mann-Whitney test