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Table 3 Background characteristics of the parents responding to the baseline questionnaire in the intervention (INT) and comparison (COM) group. Means and standard deviations (SD) or numbers (n) and proportions (%)

From: Kids Out; evaluation of a brief multimodal cluster randomized intervention integrated in health education lessons to increase physical activity and reduce sedentary behavior among eighth graders

  INT (n = 401) COM (n = 561)
Relationship with the student, n (%)
• Mother 317 (79.1) 436 (77.7)
• Father 77 (19.2) 116 (20.7)
• Other 7 (1.7) 9 (1.6)
Education, n (%)
• Secondary school 13 (3.3) 17 (3.0)
• High school graduate 15 (3.8) 26 (4.6)
• Vocational school 195 (48.9) 289 (51.7)
• Lower or higher university degree 176 (44.1) 228 (40.7)
Working full or part-time, n (%) 332 (82.2) 481 (85.9)
BMI, mean (SD) 24.8 (4.3) 25.4 (4.3)
• >  25 kg/m2, n (%) 145 (37.9) 253 (46.8)
Self-rated fitness
• Better than peers 194 (48.7) 232 (41.7)
• Equal to peers 149 (37.4) 227 (40.8)
• Worse than peers 54 (13.6) 98 (17.6)
Own activity level at age 14 to 15 on Osgood scale from 0 to100a), mean (SD)
• Active commuting to school 6.9 (3.0) 6.9 (3.1)
• Exercise as a hobby 6.6 (2.8) 6.5 (3.2)
Walking or cycling as a primary transportation mode to work, n (%) 85 (21.4) 116 (20.8)
Frequency of moderate-to-vigorous leisure PA
• ≥ 4 times a week 143 (35.7) 195 (34.8)
• 2 to 3 times a week 189 (47.1) 233 (41.5)
• ≤ once a week 69 (17.2) 133 (23.7)
Daily minutes of sitting during a weekday, mean (SD)
• At work 235 (171) 222 (169)
• At home (TV, videos, computer) 117 (59) 114 (72)
  1. a)0 means not at all active and 100 means very much active