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Table 3 The predictive effect of change in steps per valid day on change in mental distress from the Tromsø Study – Fit Futures 1 and 2

From: Change in physical activity is not associated with change in mental distress among adolescents: the Tromsø study: Fit Futures

  B 95% CI p
Crude model
 Change in steps per day/1000 −.005 −.021/.011 .538
Adjusted model Block 2a
 Change in steps per day/1000 −.005 −.021/.011 .571
Adjusted model Block 3b
 Change in steps per day/1000 −.004 −.019/.012 .640
Adjusted model Block 4c
 Change in steps per day/1000 −.003 −.018/.013 .751
  1. a Block 1: Model adjusted by demography: sex, age, socioeconomic status mother and father (T1), season of actigraphy measurement (T1 and T2)
  2. b Block 2: Model adjusted by variables in block 1 and social level variables: considering dropping out of school (T1), social network (T1) and change in social network (T2 –T1)
  3. c Block 3: Model adjusted by variables in block 1, block 2 and health and lifestyle related variables: chronic disease (T1), BMI (T1), sufficient sleep (T1), delayed sleep onset latency (T1), mean hours of sleep per night (T1), self-reported health (T1), change in self-reported health (T2-T1), junk food diet (T1), change in junk food diet (T2-T1), healthy diet (T1), change in healthy diet (T2-T1), chronic pain (T1) and smoking (T1)