Table 6

Parameter estimates for triplet BW and causal agents influencing BW, based on model 5d

Mean/variance/covariance (grams)


MZ

DZ/TZ (fb, sb, tb)

Mean

2765

2915/2826, 2811, 2710

Variance

111

104

covariance

46

33

correlation

0.42 (0.29 - 0.54)

0.32 (0.25 - 0.38)


covariate

range

Effect in grams


GA

-16 to 0: weight gain per week

130

Sex

0/1: Boy/girl

-110

Smoking

0/1: No/yes

-104


GA = gestational age, fb = first born, sb = second born, tb = third born. Results given for MZ triplets include triplets from both the MZ group and the DZ group.

Lamb et al. BMC Pediatrics 2011 11:24   doi:10.1186/1471-2431-11-24

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