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

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Pregnancy smoking (PS)

0.54

0.11, 0.97

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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

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---

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