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. Author manuscript; available in PMC: 2014 Jul 30.
Published in final edited form as: Stat Med. 2013 Mar 12;32(17):2950–2961. doi: 10.1002/sim.5771

Table A1. MLR Estimates of Direct Effects of Mother's Characteristics on GA, BW, and BL (Figure 1).

Exogenous Variable β̂a
[95 % c.i.]b
GA BW BL
Maternal Arm Muscle, cm2 (AMA) .001
[.0001, .0014]		 .050
[.023, .077]		 .011
[-.003, .025]
Maternal Arm Fat, cm2 (AFA) .0002
[.0001, .0004]		 .087
[.058, .116]		 .035
[.021, .049]
Mother's Height, cm (MOHT) .001
[-.003, .005]		 1.508
[1.226, 1.79]		 .819
[.680, .958]
Mother was a smoker (SMOKERS) -.009
[-.015, -.003]		 -.830
[-1.257, -.403]		 -.303
[-.521, -.085]
First Pregnancy (FIRSTPRG) -.010
[-.016, -.004]		 -1.26
[-1.648, -.872]		 -.184
[-.380, .012]
Mother < 20 (YOUNGER) -.005
[-.013, .003]		 -.753
[-1.214, -.292]		 -.422
[-.663, -.181]
Mother > 35 (OLDER) -.005
[-.013, .003]		 -.115
[-.623, .393]		 -.079
[-.328, .170]
Girl (GIRL) .005
[.001, .009]		 -.449
[-.727, -.171]		 -.379
[-.516, -.242]
R2 .117 .118 .113
a

= estimate of coefficient;

b

= 95 % confidence interval