Skip to main content
. 2026 Apr 23;26:1356. doi: 10.1186/s12889-026-27441-x

Table 2.

Data from COVID-19 questionnaires (Q1–Q4) on participants’ self-reported SARS-CoV-2 infection and infection prevention behaviours

Participants (total) Q1 (June 2020) Q2 (December 2020) Q3 (June 2021) Q4 (December 2021)
2885 (77.7) 2959 (71.1) 3057 (66.3) 3176 (63.4)
Pregnant during the pandemic
 Yes 1005 (36.0) 1347 (47.7) 1664 (57.1) 1041 (33.8)*
Family member infected in the last six months (strongly suspected or confirmed SARS-CoV-2 infection)
 Yes 145 (5.0) 214 (7.2) 448 (14.7) 143 (4.5)
Which family member infected
 Woman 90 (62.1) 144 (67.6) 310 (69.2) 76 (53.5)
 Partner 83 (57.2) 133 (62.4) 327 (73.0) 84 (59.2)
 Child 41 (32.3) 42 (24.3) 92 (24.6) 37 (28.2)
Keeping distance from others both indoors and outdoors
 Woman 2468 (88.2) 2682 (94.8) 2752 (94.2) 2561 (82.4)
 Partner 2395 (86.7) 2593 (93.2) 2657 (92.6) –
Limiting social contacts
 Woman 2344 (83.7) 2740 (96.9) 2757 (94.4) 2267 (72.9)
 Partner 2217 (80.3) 2642 (94.9) 2651 (92.4) –
Avoiding using public transportation
 Woman 2156 (77.0) 2515 (88.9) 2581 (88.3) 2263 (72.8)
 Partner 2164 (78.4) 2503 (89.9) 2553 (89.0) –
Staying home when symptoms of a cold
 Woman 2514 (89.8) 2697 (95.3) 2803 (95.9) 3039 (97.8)
 Partner 2479 (89.8) 2623 (94.3) 2740 (95.5) –
Avoiding group activities for children
 Yes 1698 (60.8) 2061 (72.9) 1991 (68.3) 1603 (51.6)
Keeping the child home from daycare when mild symptoms
 Yes 1684 (60.3) 1898 (67.2) 1977 (67.8) 2225 (71.6)
Other measure
 Woman 298 (10.6) 523 (18.5) 427 (14.6) 181 (5.8)
 Partner 152 (5.5) 298 (10.7) 272 (9.5) –
Handwashing frequency with soap and water in the last week
 0–3 times per day 158 (5.5) 178 (6.2) 267 (9.0) 272 (8.7)
 4–6 times per day 573 (20.1) 677 (23.4) 781 (26.4) 865 (27.8)
 7–15 times per day 1491 (52.3) 1470 (50.8) 1483 (50.2) 1487 (47.8)
 > 15 times per day 630 (22.1) 567 (19.6) 426 (14.4) 489 (15.7)
Partner’s handwashing frequency with soap and water in the last week
 0–3 times per day 273 (9.7) 261 (9.2) 349 (11.9) –
 4–6 times per day 695 (24.7) 749 (26.3) 842 (28.7) –
 7–15 times per day 1343 (47.7) 1334 (46.9) 1359 (46.4) –
 > 15 times per day 467 (16.6) 454 (16.0) 326 (11.1) –
 No partner 36 (1.3) 46 (1.6) 53 (1.8) –
Frequency of hand sanitizer use in the last week
 Never 482 (16.9) 250 (8.7) 246 (8.3) 377 (12.1)
 1–6 times in the last week 1083 (38.1) 973 (33.7) 1076 (36.4) 1181 (38.0)
 1–6 times per day 828 (29.1) 926 (32.1) 1008 (34.1) 1001 (32.2)
 7–15 times per day 249 (8.8) 386 (13.4) 336 (11.4) 316 (10.2)
 > 15 times per day 203 (7.1) 353 (12.2) 288 (9.7) 236 (7.6)
Partner’s frequency of hand sanitizer use in the last week
 Never 658 (23.7) 349 (12.5) 333 (11.6) –
 1–6 times in the last week 973 (35.1) 830 (29.7) 950 (33.1) –
 1–6 times per day 801 (28.9) 1005 (36.0) 1017 (35.4) –
 7–15 times per day 225 (8.1) 399 (14.3) 399 (13.9) –
 > 15 times per day 116 (4.2) 208 (7.5) 174 (6.1) –
Frequency of washing the child’s hands with soap and water
 Never 163 (5.8) 184 (6.5) 162 (5.5) 157 (5.0)
 1–6 times in the last week 244 (8.7) 267 (9.4) 283 (9.7) 409 (13.2)
 1–6 times per day 1295 (46.2) 1392 (49.9) 1497 (51.2) 1613 (51.9)
 7–15 times per day 506 (18.1) 421 (14.9) 373 (12.7) 429 (13.8)
 > 15 times per day 81 (2.9) 51 (1.8) 47 (1.6) 65 (2.1)
 No child < 4 years 513 (18.3) 515 (18.2) 564 (19.3) 436 (14.0)
Frequency of hand sanitizer use in the child
 Never 1512 (54.0) 1579 (55.8) 1617 (55.3) 1885 (60.6)
 1–6 times in the last week 502 (17.9) 480 (17.0) 521 (17.8) 548 (17.6)
 1–6 times per day 206 (7.4) 209 (7.4) 179 (6.1) 197 (6.3)
 7–15 times per day 53 (1.9) 41 (1.4) 41 (1.4) 30 (1.0)
 > 15 times per day 18 (0.6) 11 (0.4) 8 (0.3) 13 (0.4)
Work absence or remote work due to the pandemic
 Woman 946 (32.9) 1131 (38.4) 1370 (45.2) –
 Partner 1065 (37.0) 1288 (43.7) 1385 (45.7) –
Reason for absence from work
 Sick leave 244 (26.0) 276 (24.9) 321 (24.0) –
 Caring for sick child 318 (33.9) 348 (31.4) 454 (33.9) –
 Quarantine rules 137 (14.6) 195 (17.6) 296 (22.1) –
 Remote work 612 (65.3) 789 (71.1) 925 (69.1) –
 Other reason 137 (14.6) 135 (12.2) 192 (14.3) –
Reason for partner’s absence from work
 Sick leave 203 (19.4) 297 (23.8) 336 (25.0) –
 Caring for sick child 226 (21.6) 310 (24.8) 375 (27.9) –
 Quarantine rules 219 (20.9) 217 (17.4) 298 (22.2) –
 Remote work 671 (64.1) 896 (71.7) 963 (71.7) –
 Other reason 139 (13.3) 108 (8.6) 93 (6.9) –

Data are presented as n (%)

*In the last six months

– indicates data not available