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Table 9 Estimates and standard errors of covariates in the best fitting mixed models fitted to height

From: Body mass index and height over three generations: evidence from the Lifeways cross-generational cohort study

Effect

Estimate

Standard error

p-value

 

Correlation

95% CI

p-value

Model a) Fitted to maternal line only ‡

Education 0&1 vs 2

-0.71

0.363

0.0508

Child and Mother

0.352

(0.271,0.427)

<0.0001

Effect of age within children

   

Child and MGM

0.164

(0.007, 0.312)

0.0403

Age*child

5.25

0.631

<0.0001

Child and MGF

0.25

(0.051, 0.428)

0.0137

No effect of age in other groups.

   

Mother and MGF

0.431

(0.243, 0.584)

<0.0001

Model (b) Paternal line only ‡

Effect of age within group.

age*Child

5.28

0.634

<0.0001

Child and father

0.509

(0.141, 0.744)

0.0071

age*PGM

-0.12

0.075

0.0957

Child and PGM

0.283

(0.078, 0.463)

0.0069

age*PGF

-0.19

0.099

0.0586

Child and PGF

0.264

(0.007, 0.486)

0.0427

No effect of age in other groups.

   

PGM and PGF

0.376

(0.049, 0.624)

0.0231

  1. Also shown are the significant (p < 0.05) correlation estimates between family members.
  2. MGM: Maternal grandmother, MGF: Maternal grandfather, PGM: Paternal grandmother, PGF: Paternal grandfather
  3. ‡ Model with vs without correlation terms p < 0.0001
  4. Note: Sample size too small to establish a correlation between father and PGF or PGM