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. 2023 Jun 25;5(3):358–372. doi: 10.3390/clockssleep5030027

Table 1.

Study population characteristics by selected quintiles (q1, q3 and q5) of time spent outdoors (hours/day) in the 2017 and 2020 surveys.

2017 Survey * 2020 Survey *
Total
N = 991
TSOq1
0–1.7 h
N = 203
TSOq3
2.7–3.7 h
N = 209
TSOq5
5.1–12 h
N = 198
Total
N = 832
TSOq1
0–1 h
N = 175
TSOq3
1.8–2.6 h
N = 168
TSOq5
3.9–10.9 h
N = 164
Age categories
<25 129 (13.0%) 32 (15.8%) 30 (14.4%) 23 (11.6%) 101 (12.1%) 27 (15.4%) 18 (10.1%) 13 (7.9%)
25–34 180 (18.2%) 48 (23.6%) 38 (18.2%) 26 (13.1%) 149 (17.9%) 28 (16.0%) 47 (26.4%) 21 (12.8%)
35–44 231 (23.3%) 48 (23.6%) 49 (23.4%) 46 (23.2%) 192 (23.1%) 45 (25.7%) 41 (23.0%) 37 (22.6%)
45–54 249 (25.1%) 44 (21.7%) 53 (25.4%) 48 (24.2%) 202 (24.3%) 47 (26.9%) 35 (19.7%) 44 (26.8%)
>55 202 (20.4%) 31 (15.3%) 39 (18.7%) 55 (27.8%) 188 (22.6%) 28 (16.0%) 37 (20.8%) 49 (29.9%)
Sex
Female 504 (50.9%) 112 (55.2%) 102 (48.8%) 88 (44.4%) 417 (50.1%) 88 (50.3%) 99 (55.6%) 73 (44.5%)
Male 487 (49.1%) 91 (44.8%) 107 (51.2%) 110 (55.6%) 415 (49.9%) 87 (49.7%) 79 (44.4%) 91 (55.5%)
Education Level
Elementary or high school 402 (40.6%) 88 (43.3%) 71 (34.0%) 91 (46.0%) 305 (36.7%) 66 (37.7%) 57 (32.0%) 77 (47.0%)
University entry exam (Matura) 368 (37.1%) 66 (32.5%) 84 (40.2%) 75 (37.9%) 300 (36.1%) 65 (37.1%) 68 (38.2%) 49 (29.9%)
University degree 221 (22.3%) 49 (24.1%) 54 (25.8%) 32 (16.2%) 227 (27.3%) 44 (25.1%) 53 (29.8%) 38 (23.2%)
Marital status
Single 298 (30.1%) 89 (43.8%) 59 (28.2%) 58 (29.3%) 275 (33.1%) 74 (42.3%) 58 (32.6%) 37 (22.6%)
Married/partnership 568 (57.3%) 96 (47.3%) 124 (59.3%) 114 (57.6%) 471 (56.6%) 83 (47.4%) 100 (56.2%) 106 (64.6%)
Divorced/widowed 125 (12.6%) 18 (8.9%) 26 (12.4%) 26 (13.1%) 86 (10.3%) 18 (10.3%) 20 (11.2%) 21 (12.8%)
Parents of children <16 yrs
0 738 (74.5%) 162 (79.8%) 148 (70.8%) 143 (72.2%) 646 (77.6%) 148 (84.6%) 128 (71.9%) 120 (73.2%)
1 135 (13.6%) 20 (9.9%) 37 (17.7%) 28 (14.1%) 104 (12.5%) 17 (9.7%) 31 (17.4%) 21 (12.8%)
2 90 (9.1%) 18 (8.9%) 18 (8.6%) 17 (8.6%) 63 (7.6%) 8 (4.6%) 15 (8.4%) 15 (9.1%)
≥3 28 (2.8%) 3 (1.5%) 6 (2.9%) 10 (5.1%) 19 (2.3%) 2 (1.1%) 4 (2.2%) 8 (4.9%)
Area of residence
Urban area 454 (45.8%) 104 (51.2%) 95 (45.5%) 75 (37.9%) 407 (48.9%) 115 (65.7%) 94 (52.8%) 63 (38.4%)
Rural area (<50.000 inhabitants) 410 (41.4%) 74 (36.5%) 89 (42.6%) 98 (49.5%) 303 (36.4%) 44 (25.1%) 68 (38.2%) 69 (42.1%)
Rural area (>50.000 inhabitants) 127 (12.8%) 25 (12.3%) 25 (12.0%) 25 (12.6%) 122 (14.7%) 16 (9.1%) 16 (9.0%) 32 (19.5%)
Work status
Employed full time 522 (52.7%) 102 (50.2%) 119 (56.9%) 92 (46.5%) 432 (51.9%) 71 (40.6%) 101 (56.7%) 85 (51.8%)
Employed part time 110 (11.1%) 27 (13.3%) 20 (9.6%) 24 (12.1%) 106 (12.7%) 24 (13.7%) 24 (13.5%) 23 (14.0%)
Retired 124 (12.5%) 22 (10.8%) 19 (9.1%) 34 (17.2%) 93 (11.2%) 23 (13.1%) 12 (6.7%) 27 (16.5%)
Unemployed 61 (6.2%) 12 (5.9%) 14 (6.7%) 14 (7.1%) 74 (8.9%) 23 (13.1%) 14 (7.9%) 17 (10.4%)
Other ** 174 (17.6%) 40 (19.7%) 37 (17.7%) 34 (17.2%) 127 (15.3%) 34 (19.4%) 27 (15.2%) 12 (7.3%)
Night shift work
Never 618 (62.4%) 127 (62.6%) 134 (64.1%) 108 (54.5%) 496 (59.6%) 88 (50.3%) 111 (66.1%) 95 (57.9%)
Yes, in the past 255 (25.7%) 45 (22.2%) 56 (26.8%) 61 (30.8%) 264 (31.7%) 72 (41.1%) 46 (27.4%) 51 (31.1%)
Yes, currently 52 (5.2%) 15 (7.4%) 9 (4.3%) 15 (7.6%) 45 (5.4%) 7 (4.0%) 7 (4.2%) 13 (7.9%)
Self-estimated health status
Good or very good 661 (66.7%) 120 (59.1%) 137 (65.6%) 147 (74.2%) 628 (75.5%) 114 (65.1%) 128 (71.9%) 133 (81.1%)
Intermediate 266 (26.8%) 60 (29.6%) 59 (28.2%) 41 (20.7%) 153 (18.4%) 38 (21.7%) 39 (21.9%) 28 (17.1%)
Bad or very bad 64 (6.5%) 23 (11.3%) 13 (6.2%) 10 (5.1%) 51 (6.1%) 23 (13.1%) 11 (6.2%) 3 (1.8%)
Smoking status
Never 428 (43.2%) 105 (51.7%) 92 (44.0%) 78 (39.4%) 371 (44.6%) 77 (44.0%) 76 (42.7%) 62 (37.8%)
Former 269 (27.1%) 49 (24.1%) 53 (25.4%) 67 (33.8%) 220 (26.4%) 40 (22.9%) 44 (24.7%) 48 (29.3%)
Current 29 (29.7%) 49 (24.1%) 64 (30.6%) 53 (26.8%) 241 (29.0%) 58 (33.1%) 58 (32.6%) 54 (32.9%)
Happiness scale; mean (SD) 13.6 (3.4) 12.7 (3.5) 13.9 (3.2) 14.2 (3.5) 13.3 (3.4) 12.4 (3.4) 13.3 (3.3) 13.7 (3.5)
Optimism index; mean (SD) 14.3 (4.5) 13.0 (4.6) 14.7 (4.5) 15.0 (4.6) 13.9 (4.6) 12.6 (4.8) 14.0 (4.1) 14.2 (4.8)
Physical activity; mean (SD)
Walking (hours/day) 1.3 (1.8) 0.8 (1.6) 1.2 (1.5) 1.8 (2.4) 0.8 (1.6) 0.5 (1.0) 0.9 (1.6) 1.2 (2.6)
Moderate physical activity (hours/day) 0.8 (1.6) 0.5 (1.0) 0.7 (1.2) 1.0 (1.7)
Vigorous physical activity (hours/day) 1.0 (1.9) 0.7 (1.8) 0.9 (1.7) 1.1 (1.8)
Days per week with an activity (at least 10 min) that increases heart or breathing rate 3.8 (2.4) 3.0 (2.1) 3.9 (2.3) 4.2 (2.6)

* 66 (6.7%) missing data entries for 2017; 27 (3.2%) missing data entries for 2020; ** Student/military/community service/unpaid work experience/disabled.