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. 2021 Feb 9;91:166–174. doi: 10.1016/j.sleep.2021.02.003

Table 1.

Characteristics of the participants.

Age group
Total
1–3 years 4–5 years 6–12 years 13–18 years
Sex
 M 679 (53.76%) 455 (50.95%) 936 (50.65%) 147 (47.42%) 2217 (51.39%)
 F 584 (46.24%) 438 (49.05%) 912 (49.35%) 163 (52.58%) 2097 (48.61%)
 Total 1263 (29.35%) 893 (20.75%9 1848 (42.94% 310 (7.20%) 4314
Region
 COVID-19 regiona 652 (51.62%) 501 (56.10%) 898 (48.59%) 156 (50.32%) 2207 (51.16%)
 No COVID-19 region 611 (48.38%) 392 (43.90%) 950 (51.41%) 154 (49.68%) 2107 (48.84%)
Compiler
 Mother 1186 (93.98%) 837 (93.83%) 1734 (94.24%) 271 (87.42%) 4028 (93.59%)
 Father 65 (5.15%) 51 (5.72%) 94 (5.11%) 34 (10.97%) 244 (5.67%)
 Both 7 (0.55%) 3 (0.34%) 7 (0.38%) 0 17 (0.39%)
 Others 4 (0.32%) 1 (0.11%) 5 (0,26%) 5 (1.6%) 15 (0.35%)
Education level
 Graduation 713 (56.72%) 492 (55.22%) 959 (52.03%) 141 (45.48%) 2305 (53.59%)
 High schools 471 (37.47%) 342 (38.38%) 729 (39.56%) 143 (46.13%) 1685 (39.18%)
 Middle schools 71 (5.65%) 56 (6.29%) 139 (7.54%) 26 (8.39%) 292 (6.79%)
 Elementary schools 2 (0.16%) 1 (0.11%) 16 (0.87%) 0 (0.00%) 19 (0.44%)
Family income
 Low 157 (12.54%) 87 (9.83%) 173 (9.50%) 28 (9.21%) 445 (10.44%)
 Middle 1015 (81.07%) 714 (80.68%) 1482 (81.38%) 243 (79.93%) 3454 (81.04%)
 High 80 (6.39%) 84 (9.49%) 166 (9.12%) 33 (10.86%) 363 (8.52%)
Siblings
 Only child 763 (60.46%) 332 (37.18%) 445 (24.09%) 60 (19.35%) 1600 (37.11%)
 2 children 439 (34.79%) 489 (54.76%) 1134 (61.40%) 174 (56.13%) 2236 (51.86%)
 3 children 53 (4.20%) 62 (6.94%) 231 (12.51%) 64 (20.65%) 410 (9.51%)
 >4 children 7 (0.55%) 10 (1.12%) 37 (2.00%) 12 (3.87%) 66 (1.53%)
Employment during lockdown
Mother
 at home without working 615 (48.81%) 383 (42.94%) 648 (35.24%) 288 (28.48%) 1734 (40.33%)
 normally at work 160 (12.70%) 128 (14.35%) 300 (16.31%) 63 (20.39%) 651 (15.14%)
 in part at work in part at home 198 (15.71%) 157 (17.60%) 358 (19.47%) 70 (22.65%) 783 (18.21%)
 at home with smart-working 287 (22.78%) 224 (25.11%) 533 (28.98%) 88 (28.48%) 1132 (26.33%)
Father
 at home without working 246 (19.63%) 179 (20.32%) 336 (18.60%) 55 (18.90%) 826 (19.29%
 normally at work 292 (23.30%) 227 (25.77%) 454 (25.14%) 87 (29.90%) 1060 (25.05%)
 in part at work in part at home 375 (29.93%) 263 (29.85%) 547 (30.29%) 78 (26.80%) 1263 (29.85%)
 at home with smart-working 340 (27.13%) 212 (24.06%) 469 (25.97%) 71 (24.40%) 1092 (25.81%)
a

Lombardy, Piedmont, Veneto, and Emilia Romagna.