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Table 2 Information and communication technology use *

From: Are computer and cell phone use associated with body mass index and overweight? A population study among twin adolescents

   N (%), boys N, (%) girls N, (%) boys and girls
Computer at home No 226 (11) 323 (15) 549 (13)
  Yes    
     without Internet 346 (17) 316 (15) 662 (16)
     with Internet 1409 (71) 1478 (70) 2887 (70)
Cell phone bill in a month (euros) No cell phone 140 (7) 114 (5) 254 (6)
  < 10 295 (15) 173 (8) 468 (11)
  10 – 20 711 (36) 635 (30) 1346 (33)
  20 – 35 647 (33) 910 (43) 1557 (38)
  >35 188 (9) 284 (13) 472 (12)
Weekly computer use for school, work, and recreation (hours) 0–1 246 (13) 586 (28) 832 (20)
  >1–3 307 (16) 625 (30) 932 (23)
  >3–6 388 (20) 465 (22) 853 (21)
  >6–12 419 (22) 287 (14) 706 (17)
  >12–115 580 (30) 135 (6) 715 (18)
  1. * Percentages do not all add up to 100% in this table because of rounding. The exact numbers are used in the analyses.