Table 1Descriptive statistics of participant characteristics (n = 7,808)*.
Variables |
Male |
Female |
Total |
Age (y; mean ± SD) |
42.27 ± 14.86 |
42.99 ± 13.67 |
42.62 ± 14.24 |
19–35 |
33.01 |
31.24 |
32.14 |
36–50 |
35.64 |
35.66 |
35.65 |
> 50 |
31.35 |
33.10 |
32.21 |
|
Female |
- |
- |
49.28 |
|
Screen time (h/d) |
< 2 |
19.61 |
13.32 |
16.51 |
2–4 |
37.96 |
36.86 |
37.42 |
4–6 |
23.82 |
28.22 |
25.99 |
> 6 |
18.60 |
21.60 |
20.08 |
|
Physical activity |
Inactive |
40.99 |
47.01 |
46.90 |
Active |
59.01 |
52.99 |
53.10 |
|
Smoking habit |
Previously |
17.21 |
0.81 |
9.13 |
Currently |
40.83 |
0.95 |
21.17 |
Never |
41.96 |
98.24 |
69.69 |
|
Alcohol consumption |
None |
21.64 |
68.79 |
44.88 |
≥ wk |
77.46 |
31.19 |
54.66 |
Daily |
0.89 |
0.03 |
0.47 |
|
Depressive symptoms (Yes) |
4.19 |
4.72 |
4.45 |
|
BMI (kg/m2; mean ± SD) |
23.48 ± 2.30 |
22.03 ± 2.43 |
22.76 ± 2.49 |
Underweight (< 18.5) |
0.77 |
4.86 |
2.78 |
Normal (≤ 18.5 to < 25) |
79.11 |
85.57 |
82.30 |
Obese (25 ≥) |
20.12 |
9.57 |
14.92 |
Table 2Prevalence of obesity in participant population.
Variables |
Obesity (%) |
|
Male |
Female |
Total |
Age (y) |
< 35 |
15.57 |
2.95 |
9.52 |
36–50 |
22.60 |
8.89 |
15.84 |
> 50 |
22.10 |
16.55 |
19.29 |
|
Screen time (h/d) |
< 2 |
17.76 |
6.87 |
13.43 |
2–4 |
20.12 |
8.18 |
14.32 |
4–6 |
18.66 |
10.27 |
14.17 |
> 6 |
24.49 |
12.68 |
18.23 |
|
Physical activity |
Inactive |
17.69 |
10.58 |
15.97 |
Active |
21.82 |
8.43 |
13.73 |
|
Smoking habit |
Previously |
23.72 |
12.94 |
23.25 |
Currently |
21.42 |
11.26 |
21.20 |
Never |
17.38 |
9.52 |
11.92 |
|
Alcohol consumption |
None |
17.50 |
11.20 |
12.74 |
≥1/ wk |
20.98 |
5.97 |
16.76 |
Daily |
9.66 |
0.00 |
9.39 |
|
Depressive symptoms |
Yes |
33.24 |
13.10 |
22.71 |
No |
19.55 |
9.39 |
14.56 |
Table 3Multiple logistic regression analysis to determine the relationship between obesity, screen time and physical activity (N=7,808).
Screen time/ physical activity |
Model 1* OR (95% CI) |
Model 2† OR (95% CI) |
Screen time |
< 2 h/d |
Reference |
Reference |
2–4 h/d |
1.06 (0.83, 1.36) |
1.04 (0.81, 1.34) |
4–6 h/d |
1.07 (0.83, 1.39) |
1.06 (0.81, 1.37) |
> 6 h/d |
1.48 (1.13, 1.95) |
1.42 (1.08, 1.86) |
p trend |
0.008 |
0.023 |
Physical activity |
Active |
0.93 (0.79, 1.09) |
0.93 (0.79, 1.09) |
p
|
0.341 |
0.370 |