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Table 1 Descriptive characteristics for all, by gender and by weight status a in 11-year-old Norwegian adolescents

From: Correlates of weight status among Norwegian 11-year-olds: The HEIA study

Characteristics All Girls Boys p Non-overweight Overweight/obese p
(n = 1103) (n = 555) (n = 548) (n =962) (n = 141)
Girls (% (n)) 50 (555)     50 (482) 52 (73) 0.7
Age (years) 11.2 (0.3) 11.2 (0.3) 11.2 (0.3) 0.4 11.2 (0.3) 11.2 (0.3) 1.0
Weight (kg) 39.8 (8.0) 40.3 (8.1) 39.2 (7.9) 0.03 37.8 (5.9) 53.4 (7.4) <0.001
Height (cm) 148.7 (7.0) 149.2 (7.3) 148.1 (6.6) 0.01 148.2 (6.9) 151.8 (6.9) <0.001
BMI (kg/m2) 17.9 (2.7) 18.0 (2.7) 17.8 (2.7) 0.2 17.1 (1.7) 23.1 (2.1) <0.001
Overweight/obesity a (% (n)) 13 (141) 13 (73) 12 (68) 0.7    
Pubertal score (% (n))
   Pre-puberty 18.3 (202) 8.5 (46) 31.5 (156)   19.4 (176) 19.8 (26)  
   Early-puberty 33.9 (374) 20.2 (109) 53.4 (265)   37.0 (335) 30.0 (39)  
   Mid/late/post puberty 41.7 (460) 71.3 (385) 15.1 (75) <.001 43.5 (395) 50.4 (66) 0.2
Parental education (% (n))
   ≤12 years 29.1 (321) 30.2 (163) 29.6 (158)   28.1 (264) 42.5 (57)  
   13-16 years 34.8 (384) 33.0 (178) 38.6 (206)   36.1 (339) 33.6 (45)  
   >16 years 33.5 (369) 36.9 (199) 31.8 (170) 0.1 35.9 (337) 23.9 (32) <0.001
SSB (dl/week) 10.2 (10.9) 8.7 (9.1) 11.7 (12.3) <.001 10.1 (10.6) 10.9 (12.9) 0.5
SSB (dl/weekday) 1.1 (1.6) 1.0 (1.3) 1.4 (1.9) <.001 1.1 (1.6) 1.3 (2.2) 0.3
SSB (dl/weekend day) 2.2 (1.9) 2.0 (1.7) 2.4 (2.1) .001 2.2 (1.9) 2.2 (2.0) 0.7
Sum snacks (times/week) b 4.5 (4.4) 4.1 (3.4) 4.9 (5.2) 0.01 4.5 (4.5) 4.2 (4.2) 0.5
Breakfast daily (% (n)) 90 (996) 90 (499) 91 (497) 0.4 92 (876) 85 (120) 0.01
TV(hrs/day/week) 1.7 (1.0) 1.6 (0.9) 1.7 (1.0) 0.005 1.6 (0.9) 2.1 (1.2) <0.001
TV(hrs/weekday) 1.4 (1.0) 1.4 (1.0) 1.5 (1.0) 0.02 1.4 (0.9) 1.9 (1.2) <0.001
TV(hrs/weekend day) 2.2 (1.2) 2.1 (1.1) 2.3 (1.3) 0.001 2.1 (1.2) 2.6 (1.4) <0.001
Computer game (hrs/day/wk) 1.2 (0.9) 1.0 (0.8) 1.4 (1.0) <.001 1.1 (0.9) 1.4 (1.0) <0.001
Computer game (hrs/weekday) 1.1 (0.9) 0.9 (0.8) 1.2 (1.0) <.001 1.0 (0.9) 1.4 (1.1) 0.001
Computer game (hrs/weekend day) 1.5 (1.1) 1.2 (1.0) 1.8 (1.1) <.001 1.4 (1.1) 1.7 (1.2) 0.013
Sedentary time (min/day) 490.0 (67.5) 493.8 (66.9) 486.1 (68.0) 0.06 488.4 (67.6) 500.5 (66.3) 0.05
Light activity (min/day) 225.8 (43.1) 224.9 (40.6) 226.9 (45.3) 0.5 225.6 (42.5) 225.2 (46.5) 0.9
MVPA (min/day) 67.5 (23.3) 60.6 (18.5) 74.5 (25.6) <.001 68.4 (23.6) 61.5 (20.9) <0.001
PA total (cpm) 512.3 (166.7) 474.9 (140.2) 550.1 (182.2) <.001 517.9 (165.8) 473.7 (168.4) 0.003
PA weekday (cpm) 548.4 (178.9) 508.9 (164.2) 588.3 (184.3) <.001 553.0 (180.6) 516.5 (163.5) 0.02
PA weekend (cpm) 463.2 (235.1) 428.8 (188.7) 498.0 (270.0) <.001 471.3 (235.2) 407.7 (227.2) 0.003
  1. Values are Mean (SD), except for overweight/obesity, puberty, parental education and breakfast % (n). The numbers (n) vary slightly for the different measures.
  2. a Age and gender specific cutoffs for overweight/obesity at age from 10.5 to 12.5 as defined by International Obesity Task Force [31].
  3. b Sum of intake of chocolate/candy, salty snacks, cookies, buns/cakes/pastry. SSB = sugar-sweetened-beverages, MVPA = moderate-to-vigorous physical activity, PA = physical activity, P = t-test/chi-square (between genders and weight status).