From: Predictors of screen viewing time in young Singaporean children: the GUSTO cohort
 | n (%) | Mean ± SD | Median (IQR) |
---|---|---|---|
Screen viewing time at 2Â years | 861a | Â | Â |
 Television and video game, hour/day |  | 1.6 ± 1.7 | 1.0 (0.5 – 2.3) |
 Computer, hour/day |  | 0.1 ± 0.4 | 0.0 (0.0 – 0.0) |
 Hand-held devices, hour/day |  | 0.7 ± 1.0 | 0.3 (0.1 – 0.9) |
 Total, hour/day |  | 2.4 ± 2.2 | 1.9 (0.9 – 3.3) |
  <2 h/day | 439 (51.0) |  |  |
  2-4 h/day | 257 (29.9) |  |  |
  ≥4 h/day | 165 (19.2) |  |  |
Screen viewing time at 3Â years | 861a | Â | Â |
 Television and video game, hour/day |  | 1.6 ± 1.5 | 1.0 (0.5 – 2.3) |
 Computer, hour/day |  | 0.1 ± 0.4 | 0.0 (0.0 – 0.0) |
 Hand-held devices, hour/day |  | 0.9 ± 1.2 | 0.5 (0.2 – 1.0) |
 Total, hour/day |  | 2.7 ± 2.2 | 2.1 (1.1 – 3.6) |
  <2 h/day | 387 (45.0) |  |  |
  2-4 h/day | 274 (31.8) |  |  |
  ≥4 h/day | 200 (23.2) |  |  |
Change between 2 and 3Â years | 812 | Â | Â |
 Television and video game, hour/day |  | 0.03 ± 1.82 | 0.0 (−1.0 – 1.0) |
 Computer, hour/day |  | 0.01 ± 0.56 | 0.0 (0.0 – 0.0) |
 Hand-held devices, hour/day |  | 0.29 ± 1.45 | 0.0 (0.0 – 1.0) |
 Total, hour/day |  | 0.33 ± 2.42 | 0.0 (−1.0 – 1.0) |