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Table 2 Crude odds ratios (unadj.OR) and adjusted odds ratios (adj. OR) for the prediction of physical activity (PA) in the final logistic regression model (model 5) for girls (n = 3 119)1

From: Age, puberty, body dissatisfaction, and physical activity decline in adolescents. Results of the German Health Interview and Examination Survey (KiGGS)

  3-5 times/week vs. nearly every day 1-2 times/week vs. nearly every day 1-2 times/month or less vs. nearly every day
Predictors unadj. OR (95% CI) adj. OR (95% CI) unadj. OR (95% CI) adj. OR (95% CI) unadj. OR (95% CI) adj. OR (95% CI)
Age (OR per year) 1.09 (1.02-1.18) 1.03 (0.91-1.17) 1.22 (1.15-1.30) 1.18 (1.06-1.31) 1.46 (1.36-1.57) 1.35 (1.20-1.52)
Pubic hair stage
   advanced/mature 1.83 (1.15-2.94) 1.50 (0.76-2.98) 2.39 (1.45-3.93) 1.68 (0.83-3.42) 5.20 (2.71-9.98) 0.96 (0.38-2.42))
   early/mid-puberty 1.34 (0.82-2.17) 1.19 (0.69-2.08) 1.13 (0.66-1.93) 1.11 (0.60-2.03) 1.57 (0.77-3.23) 0.93 (0.42-2.04)
   prepubescent (ref.) 1.00 1.00 1.00 1.00 1.00 1.00
Menarche
   regular menses 1.35 (1.04-1.76) 0.99 (0.63-1.55) 1.86 (1.45-2.40) 0.85 (0.56-1.31) 4.94 (3.59-6.78) 1.49 (0.89-2.49)
   irregular menses 1.38 (0.95-2.01) 1.01 (0.63-1.63) 1.95 (1.38-2.76) 1.09 (0.71-1.67) 3.88 (2.73-5.53) 1.71 (1.06-2.75)
   no menses (ref.) 1.00 1.00 1.00 1.00 1.00 1.00
Pubertal timing
   early 0.73 (0.53-1.00) 0.71 (0.49-1.04) 1.08 (0.83-1.40) 1.15 (0.84-1.58) 0.96 (0.71-1.28) 1.08 (0.75-1.56)
   late 0.68 (0.51-0.92) 0.87 (0.60-1.27) 0.88 (0.67-1.15) 1.27 (0.88-1.83) 0.55 (0.39-0.78) 0.91 (0.55-1.50)
   average (ref.) 1.00 1.00 1.00 1.00 1.00 1.00
Body dissatisfaction (BDS)
   much too fat 1.24 (0.78-1.96) 1.49 (0.83-2.67) 1.51 (1.001-2.29) 1.50 (0.88-2.55) 2.57 (1.64-4.02) 1.63 (0.90-2.94)
   slightly too fat 1.39 (1.03-1.86) 1.40 (1.01-1.94) 1.39 (1.07-1.79) 1.22 (0.91-1.64) 1.60 (1.17-2.20) 1.18 (0.83-1.68)
   (much) too thin 0.97 (0.64-1.47) 1.03 (0.67-1.58) 1.04 (0.68-1.59) 1.14 (0.73-1.79) 1.60 (1.04-2.44) 2.17 (1.35-3-48)
   exactly right weight (ref.) 1.00 1.00 1.00 1.00 1.00 1.00
  1. 1Fully adjusted odds ratios are adjusted for the baseline model variables (sociodemographic variables and body fat percentage), all listed predictors, and significant two-way-interactions at alpha = 5%; significant ORs (p ≤ .05) in bold type.