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Table 1 Socioeconomic and environmental characteristics and their association with accelerometer counts/min

From: Assessment of intensity, prevalence and duration of everyday activities in Swiss school children: a cross-sectional analysis of accelerometer and diary data

Social and environmental factors Total n (%) Accelerometer counts/min: adjusted§ mean (95%CI)
Grade (Age)   
1st (6/7 years) (reference group = ref.) 47 (28) 751 (712–790)
4th (9/10 years) 60 (36) 662 (626–698)**
8th (13/14 years) 62 (38) 546 (508–583)***
Sex   
Boys (ref.) 81 (48) 737 (706–767)
Girls 88 (52) 569 (539–599)***
Education Mother   
Low (ref.) 22 (14) 636 (584–717)
Middle 80 (49) 672 (638–698)
High 61 (37) 633 (599–668)
Nationality   
Swiss (ref.) 129 (78) 649 (624–675)
Non Swiss 37 (22) 661 (602–720)
Day of the week   
Weekend (ref.) 414 (44) 631 (603–659)
Weekday 532 (56) 670 (645–696)*
Season   
Winter (ref.) 502 (53) 638 (604–671)
Summer 444 (47) 670 (634–706)
  1. § Mutually adjusted estimates based on multivariate regression models including all variables presented in the table as well as mean daily temperature, sum of precipitation, and a random effect for subject
  2. * p ≤ 0.05, **p ≤ 0.01, *** p ≤ 0.001; compared to reference group