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Table 3 Estimators and 95% confidence intervals (CI) of the quantile regression models with τ = 0.9 (QR 0.9) and τ = 0.97 (QR 0.97).

From: Alternative regression models to assess increase in childhood BMI

  QR 0.9 QR 0.97
  Estimator 95% CI Estimator 95% CI
Intercept 5.16 3.26, 7.06 6.33 4.61, 8.05
Sex (SEX) -0.25 -0.47, -0.03 --- ---
Pregnancy smoking (PS) 0.54 0.11, 0.97 --- ---
Watching TV (TV) *     
   Up to 1 h -0.03 -0.27, 0.21 0.33 -0.20, 0.86
   1–2 h 0.30 0.05, 0.55 0.68 0.23, 1.13
   More than 2 h 1.31 0.80, 1.82 2.11 1.01, 3.21
Breastfeeding (BF) -0.41 -0.72, -0.10 -0.63 -1.00, 0.26
Meal frequency (MF) †     
   4/day -0.19 -0.62, 0.24 -0.88 -1.53, -0.23
   5 or more/day -0.44 -0.01, -0.87 -1.13 -1.76, 0.50
Age (AGE) 0.03 0.01, 0.05 --- ---
Maternal BMI (MB) 0.16 0.13, 0.19 0.22 0.16, 0.28
Weight gain in first 2 y (WG) 0.73 0.65, 0.81 0.87 0.75, 0.99
  1. * "never" as reference
  2. † "1–3/day" as reference