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. 2020 Oct 30;22(10):e22835. doi: 10.2196/22835

Table 2.

Demographics, COVID-19 experience, lifestyle, and self-reported health conditions by mental health outcomes among essential workers from Brazil and Spain (N=3745), April to May 2020.

Variable Negative for both depression and anxiety (n=1973) Positive for depression only (n=311) Positive for anxiety only (n=434) Positive for depression and anxiety (n=1027) P value
Country , n (%)



<.001

Brazil 1280 (64.9) 262 (84.2) 360 (82.9) 940 (91.5)

Spain 693 (35.1) 49 (15.8) 74 (17.1) 87 (8.5)
Sex , n (%)



<.001

Male 619 (31.4) 91 (29.3) 112 (25.8) 231 (22.5)

Female 1354 (68.6) 220 (70.7) 322 (74.2) 796 (77.5)
Age (years) , mean (SD) 44.56 (12.33) 39.25 (11.78) 41.10 (10.63) 37.43 (10.96) <.001
Educational level , n (%)



<.001

Primary/secondary education or professional degree 340 (17.2)

43 (13.8) 62 (14.3) 222 (21.6)

University degree 984 (49.9) 177 (56.9) 228 (52.5) 571 (55.6)

Master’s/PhD degree 649 (32.9) 91 (29.3) 144 (33.2) 234 (22.8)
Frontline worker, n (%) 660 (33.5) 83 (26.7) 172 (39.6) 364 (35.4) .002
People living in the household, median (IQR)a 3 (2-4) 3 (2-4) 3 (2-4) 3 (2-4) .008
Self-isolatedb, n (%) 824 (41.9) 163 (53.1) 191 (44.5) 504 (49.7) <.001
Diagnosed with COVID-19c, n (%) 45 (2.3) 8 (2.6) 18 (4.2) 33 (3.2) .13
Lost someone in the pandemicc, n (%) 169 (8.6) 24 (7.7) 48 (11.1) 110 (10.7) .11
SMILE-Cd, mean (SD) 82.23 (7.71) 76.16 (7.73) 77.67 (7.43) 71.41 (8.73) <.001
Self-reported health (neither good nor bad, bad, or very bad)e 280 (14.2) 77 (24.8) 112 (25.8) 449 (43.8) <.001
Diagnosed with or treated for…




Chronic diseasesf 568 (29.1) 75 (24.2) 140 (32.4) 379 (37.3) <.001

Mental health disordersg 270 (13.8) 74 (24.0) 129 (30.3) 501 (50.4) <.001

Infectious diseasesh 50 (2.5) 8 (2.6) 14 (3.2) 39 (3.8) .26
Positive screening for alcohol abuse 736 (37.3) 143 (46.0) 195 (44.9) 475 (46.3) <.001
Changes in…





Dietary and nutritional habitsi 641 (32.5) 145 (46.6) 207 (47.7) 481 (46.9) <.001

Substance use habitsj 213 (11.4) 50 (17.4) 64 (16.2) 215 (22.5) <.001

Physical activity routinek 1187 (60.4) 193 (62.9) 287 (66.4) 573 (56.4) .003
Strategies to manage stressl 905 (45.9) 157 (50.6) 255 (58.9) 494 (48.2) <.001

Sleep patternsi 540 (27.4) 133 (42.8) 203 (46.9) 586 (57.1) <.001

Social supportm 892 (45.6) 158 (51.6) 240 (55.6) 589 (58.0) <.001

Time spent indoors/outdoorsc 1756 (89.1) 269 (86.5) 381 (88.0) 878 (85.7) .049

a n=2

bn=30

c n=7

dSMILE-C: Short Multidimensional Inventory Lifestyle Evaluation-Confinement; the higher the score, the healthier the lifestyle.

en=5

fn=31

gn=56

hn=6

in=3

jn=242

kn=25

ln=8

mn=33