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Table 1 Characteristics of the population-based sample of adolescent men based on amount of video gaming on weekdays

From: Health behaviours associated with video gaming in adolescent men: a cross-sectional population-based MOPO study

Characteristics n All (n = 796) Video Gaming  > 3 h/day (n = 192) Video Gaming ≤ 3 h/day (n = 604) P valuea
Ageb, y 792 17.9 (0.7) 18.1 (0.9) 17.9 (0.7) .008
Weight, kg 577 73.0 (14.1) 75.4 (17.8) 72.2 (12.6) .102
Height, cm 578 178.1 (6.3) 178.2 (7.0) 178.2 (6.1) .718
BMIc, kg/m2 577 23.0 (4.3) 23.8 (5.5) 22.7 (3.8) .107
 Underweight (BMI < 18.5), No. (%)   47 (8.1) 10 (7.5) 37 (8.4) .858
 Normal weight (18.5–24.9) No. (%)   397 (68.8) 88 (65.7) 309 (69.8) .395
 Overweight (BMI 25–29.9) No. (%)   96 (16.6) 20 (14.9) 76 (17.2) .598
 Obesity (BMI ≥ 30), No. (%)   37 (6.4) 16 (11.9) 21 (4.7) .008
Body fat, % 576 16.5 (8.4) 19.3 (10.0) 15.6 (7.6) <.001
Waist circumference, cm 577 82.0 (10.4) 84.7 (13.2) 81.1 (9.1) .011
Muscle mass, % 576 47.0 (4.8) 45.3 (5.6) 47.6 (4.4) <.001
Self-rated health 776     .001
 Poor, No. (%)   56 (7.2) 24 (12.8) 32 (5.4)  
 Good or average, No. (%)   720 (92.8) 164 (87.2) 556 (94.6)  
Grip strength, kg 576 45.0 (7.5) 43.8 (7.8) 45.4 (7.4) .017
Light and brisk physical activity, median (interquartile range), MET-min weekly 769 1013 (413–1875) 615 (204–1286) 1148 (563–2085) <.001
< 500 MET-min, No. (%)   219 (28.5) 88 (47.3) 131 (22.5) <.001
 ≥ 500 MET-min, No. (%)   550 (71.5) 98 (52.7) 452 (77.5)  
Aerobic fitness (Polar Fitness Test), mL/min/kg 563 52.9 (7.1) 50.4 (6.6) 53.7 (7.1) <.001
Poor self-rated physical fitness, No. (%) 781 190 (24.3) 84 (44.4) 106 (17.9) <.001
Sitting during leisure time, h/d 762 4.2 (2.3) 5.8 (2.4) 3.7 (2.0) <.001
 ≥ 5 h/d, No. (%)   273 (35.8) 129 (69.0) 144 (25.0) <.001
 < 5 h/d, No. (%)   489 (64.2) 58 (31.0) 431 (75.0)  
Mean consumption frequency, d/wk
Vegetables and fruits 744 2.0 (1.5) 1.6 (1.5) 2.2 (1.5) <.001
Sweetened soft drinks and energy drinks 750 1.1 (1.0) 1.4 (1.2) 1.0 (0.9) <.001
 Salty foods 747 1.0 (0.9) 1.1 (1.0) 1.0 (0.8) .499
 Sweet foods 752 1.5 (1.1) 1.5 (1.2) 1.5 (1.0) .455
Usually eats breakfast 786     <.001
 Yes, No. (%)   575 (73.2) 118 (62.8) 457 (76.4)  
 No, No. (%)   211 (26.8) 70 (37.2) 141 (23.6)  
Smokes currently, No. (%) 784     .851
 Yes, No. (%)   209 (26.7) 52 (27.4) 157 (26.4)  
 No, No. (%)   575 (73.2) 128 (72.6) 437 (73.6)  
Uses snuff currently, No. (%) 787 189 (24.0) 144 (23.4) 145 (24.2) .846
Binge drinks alcohol ≥1/wk., No. (%) 786 172 (21.9) 43 (23.1) 129 (21.5) .685
  1. a This is the P value between groups for video gaming > 3 h/day vs. video gaming ≤ 3 h/day
  2. b Values are expressed as mean (SD) unless otherwise stated. Some numbers do not match due to missing values
  3. c Variables in bold are part of the binary logistic regression
  4. Abbreviation: BMI body mass index