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Table 1 Description of socio-demographic characteristics, television viewing, potential mediators, and eating behaviours.

From: Mediators of longitudinal associations between television viewing and eating behaviours in adolescents

  Gender Year level
  Male (n = 774) Female (n = 955) Year 7 (n = 1107) Year 9 (n = 622)
Maternal education (%)     
Low 340 (44) 430 (45) 520 (47) 249 (40)***
Medium 232 (30) 306 (32) 332 (30) 211 (34)
High 202 (26) 219 (23) 255 (23) 162 (26)
School region (n, %)     
Metropolitan 565 (73) 688 (72) 797 (72) 460 (74)
Rural 209 (27) 267 (28) 310 (28) 162 (26)
TV viewing (n, %)     
≤2 hours/day 382 (49) 517 (54) 603 (54) 296 (48)
>2 hours/day 392 (51) 438 (46) 504 (46) 326 (52)**
T1 potential mediators     
Snacked while watching the TV (mean, SD; range 1-5) 3.46 (1.14) 3.45 (1.06) 3.42 (1.21) 3.52 (1.04)*
Value of TV viewing (mean, SD; range 3-9) 5.39 (1.91) 4.98 (1.85)*** 5.23 (1.87) 5.04 (1.90)*
T1 dietary behaviours (mean serves/day, SD)     
Energy-dense snack foods 1.27 (1.56) 1.19 (1.32) 1.23 (1.42) 1.23 (1.46)
Energy-dense drinks 1.24 (1.49) 0.78 (1.05)*** 1.03 (1.32) 0.91 (1.23)
Fruit 0.84 (0.84) 0.98 (0.85)*** 0.94 (0.86) 0.87 (0.83)
T2 dietary behaviours (mean serves/day, SD)     
Energy-dense snack foods 1.11 (1.34) 1.10 (1.12) 1.08 (1.28) 0.97 (1.12)
Energy-dense drinks 1.13 (1.55) 0.63 (1.04) 0.88 (1.37) 0.81 (1.20)
Fruit 0.84 (0.83) 1.10 (0.90) 1.01 (0.88) 0.93 (0.88)
  1. Chi-square test (TV viewing, maternal education and school region) or univariate ANOVAs.
  2. *p < 0.05, **p < 0.01, ***p < 0.001
  3. T1: baseline assessments took place in 2004-2005. T2: Follow-up assessments took place in 2006-2007.