Table 5

Associations of computer and cell phone use with overweight at 17 y



Overweight, n (%)
Logistic regression, adjusted for gender, physical exercise, and parents' education and occupational category

Computer at home
No
50 (9)
1.0

Yes



     without Internet
84 (13)
2.26 (1.35 to 3.76)

     with Internet
269 (9)
1.51 (0.94 to 2.42)
Weekly computer use for school, work, and recreation (hours)
0–1
23 (10)
1.0

>1–3
32 (11)
0.95 (0.62 to 1.46)

>3–6
36 (9)
1.19 (0.79 to 1.81)

>6–12
51 (12)
1.61 (1.07 to 2.41)

>12–115
88 (15)
1.81 (1.20 to 2.75)
Cell phone bill
(continuous)
-
1.02 (0.90 to 1.16)
Cell phone bill in a month (euros)
No cell phone
31 (12)
1.25 (0.76 to 2.06)

< 10
50 (11)
1.05 (0.71 to 1.56)

10 – 20
106 (8)
0.73 (0.54 to 0.98)

20 – 35
159 (10)
1.0

>35
57 (12)
1.23 (0.85 to 1.78)

Lajunen et al. BMC Public Health 2007 7:24   doi:10.1186/1471-2458-7-24