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Table 1 Descriptive status of media use in elementary school children

From: Combined influence of media use on subjective health in elementary school children in Japan: a population-based study

  Boys Girls p value gender / grades
4th grade 5th grade 6th grade 4th grade 5th grade 6th grade
Game None 86 91 98 167 195 186 * / ns
Up to 1 hr 289 311 315 328 346 337
Up to 2 hrs 85 136 134 42 38 53
2 hrs or more 44 51 65 8 14 18
Total 504 589 612 545 593 594
TV None 33 33 25 36 26 20 ns / *
Up to 1 hr 156 170 164 201 178 148
Up to 2 hrs 147 178 187 151 178 146
2 hrs or more 160 200 226 140 198 275
Total 496 581 602 528 580 589
PC None 324 331 338 368 332 301 ns / *
Up to 1 hr 150 208 216 150 212 228
Up to 2 hrs 14 26 35 15 26 43
2 hrs or more 12 14 15 2 9 14
Total 500 579 604 535 579 586
  1. Values are head-counts. TV: television, PC: personal computer.
  2. *p < 0.05 for chi-square analysis.