Table 1 Study population descriptives
From: Leisure time computer use and overweight development in young adults – a prospective study
Baseline study group | Gaming >2 h per day | Emailing/chatting >2 h per day | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Men | Women | Men | Women | Men | Women | ||||||
% | % | p a | % | p b | % | p b | % | p c | % | p c | |
Education | *** | ns | ns | ns | ns | ||||||
Elementary | 7 | 7 | 10 | 9 | 8 | 7 | |||||
Upper secondary | 81 | 78 | 80 | 84 | 78 | 77 | |||||
University | 11 | 15 | 10 | 7 | 14 | 16 | |||||
Occupation | *** | *** | *** | *** | ns | ||||||
Working | 55 | 43 | 48 | 36 | 45 | 41 | |||||
Studying | 36 | 44 | 34 | 33 | 38 | 44 | |||||
Other | 9 | 13 | 18 | 30 | 17 | 15 | |||||
Sick leave | 1 | 2 | 2 | 5 | 1 | 3 | |||||
Parental/other leave | 0 | 4 | 1 | 1 | 1 | 2 | |||||
Unemployed | 7 | 7 | 15 | 24 | 14 | 11 | |||||
Computer gaming | *** | - | - | *** | *** | ||||||
Not at all | 47 | 77 | - | - | 30 | 66 | |||||
<1 h per day | 27 | 16 | - | - | 28 | 21 | |||||
1–2 h per day | 13 | 4 | - | - | 17 | 7 | |||||
>2 h per day | 12 | 2 | - | - | 25 | 6 | |||||
Emailing/chatting | * | *** | *** | - | - | ||||||
Not at all | 10 | 8 | 8 | 5 | - | - | |||||
<1 h per day | 60 | 63 | 50 | 56 | - | - | |||||
1–2 h per day | 19 | 21 | 20 | 19 | - | - | |||||
> 2 h per day | 11 | 9 | 22 | 20 | - | - | |||||
Total computer use | *** | *** | *** | *** | *** | ||||||
< 2 h per day | 28 | 39 | 2 | 4 | 0 | 2 | |||||
2–4 h per day | 35 | 34 | 19 | 25 | 16 | 24 | |||||
> 4 h per day | 37 | 27 | 78 | 71 | 84 | 74 | |||||
Physical activity | *** | *** | *** | ** | *** | ||||||
Inactive | 17 | 13 | 34 | 40 | 23 | 23 | |||||
Light | 34 | 46 | 34 | 44 | 36 | 43 | |||||
Regular or vigorous | 49 | 41 | 33 | 17 | 41 | 35 | |||||
Social support | *** | ns | * | * | *** | ||||||
Low | 17 | 14 | 16 | 21 | 23 | 21 | |||||
Medium | 41 | 32 | 43 | 37 | 39 | 32 | |||||
High | 42 | 55 | 40 | 41 | 38 | 47 | |||||
BMI categories | *** | *** | ** | * | ns | ||||||
Underweight | 3 | 6 | 5 | 9 | 5 | 6 | |||||
Normal | 69 | 73 | 57 | 59 | 64 | 68 | |||||
Overweight | 24 | 16 | 31 | 22 | 27 | 18 | |||||
Obesity | 4 | 5 | 7 | 10 | 4 | 7 | |||||
Mean (SD) | Mean (SD) | p a | Mean (SD) | p b | Mean (SD) | P b | Mean (SD) | P c | Mean (SD) | P c | |
Min-max | Min-max | Min-max | Min-max | Min-max | Min-max | ||||||
BMI | 23.7 (3.4) | 22.7 (3.8) | *** | 24.2 (4.1) | * | 24.1 (4.9) | ** | 23.5 (3.4) | ns | 23.2 (4.5) | * |
14.0–43.9 | 13.9–49.4 | 14.9–43.9 | 16.1–39.7 | 15.4–39.6 | 15.4–43.4 | ||||||
Sleep duration (hours/night) | 7.7 (1.0) | 7.8 (1.1) | *** | 7.7 (1.1) | ns | 7.9 (1.5) | ns | 7.8 (1.1) | ns | 7.6 (1.4) | ** |
3.4–13.7 | 2.0–13.4 | 3.9–12.0 | 4.3–12.0 | 3.4–12.0 | 3.0–12.0 | ||||||
Age | 22.1 (1.4) | 22.0 (1.4) | ns | 21.9 (1.4) | * | 21.8 (1.3) | ns | 21.7 (1.4) | *** | 21.7 (1.4) | *** |
20–24 | 20–24 | 20–24 | 20–24 | 20–24 | 20–24 | ||||||