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Table 5 Linear regressions for leisure time computer use at baseline and change in BMI from baseline to 5-year follow-up

From: Leisure time computer use and overweight development in young adults – a prospective study

   Crude Model Ia Model 1b Model II
Estimate 95 % CI Estimate 95 % CI Estimate 95 % CI Estimate 95 % CI
GAMING          
Men >2 h 0.19 −0.23; 0.61 0.19 −0.23; 0.61 0.29 −0.13; 0.70 0.19 −0.24; 0.62
  1–2 h 0.08 −0.34; 0.49 0.07 −0.34; 0.49 0.14 −0.27; 0.55 0.12 −0.30; 0.54
<1 h −0.03 −0.35; 0.29 −0.04 −0.36; 0.28 −0.01 −0.32; 0.30 −0.06 −0.33; 0.26
Not at all 0.00     0.00   0.00  
Women >2 h 1.07 0.30; 1.84 1.04 0.27; 1.82 1.30 0.54; 2.07 1.33 0.56; 2.10
  1–2 h 0.81 0.25; 1.37 0.79 0.23; 1.35 0.96 0.40; 1.51 0.86 0.29; 1.43
<1 h 0.43 0.10; 0.76 0.42 0.09; 0.75 0.53 0.20; 0.85 0.51 0.18; 0.84
Not at all 0.00   0.00   0.00   0.00  
EMAILING/CHATTING         
Men >2 h 0.07 −0.38; 0.51 0.05 −0.40; 0.49 0.01 −0.43; 0.44 −0.02 −0.46; 0.43
  1–2 h −0.07 −0.41; 0.27 −0.08 −0.42; 0.25 −0.09 −0.43; 0.24 −0.10 −0.43; 0.24
<1 h or 0 0.00   0.00   0.00   0.00  
Women >2 h −0.18 −0.62; 0.26 −0.20 −0.64; 0.24 −0.14 −0.57; 0.30 −0.17 −0.61; 0.27
  1–2 h 0.05 −0.26; 0.37 0.05 −0.27; 0.36 0.06 −0.26; 0.37 0.12 −0.19; 0.44
<1 h or 0 0.00   0.00   0.00   0.00  
  1. Parameter estimates from the linear regressions with 95 % confidence intervals (CI) are presented. MODEL Ia is adjusted for age, MODEL Ib: age, BMI, MODEL II: age, BMI, physical activity, social support. The number of subjects varied in the models due to partially missing data. GAMING: men n = 952–937, women n = 1631–1592. EMAILING/CHATTING: men n = 952–937, women n = 1622-1586. Estimates with a CI not including 0.00 are given in bold