Table 2.
Linear regressions predicting BMI z-score at 5y, 10y, and 16–18y.
| Variable | β | 95% CI | P-value |
|---|---|---|---|
| 5y BMI z-score | |||
| Poor infant psychosocial environment | 0.07 | −0.03, 0.16 | .16 |
| Age | 0.01 | −0.07, 0.08 | .90 |
| Female | 0.05 | −0.04, 0.13 | .26 |
| Birth weight | 0.10* | 0.02, 0.18 | .015 |
| Weight change from 0–6 months | 0.28*** | 0.20, 0.37 | <.001 |
| Formula intake (mL/day) | 0.01 | −0.07, 0.09 | .82 |
| Received medicinal iron | −0.07 | −0.15, 0.02 | .12 |
| Randomized to iron supplementation | −0.04 | −0.13, 0.05 | .42 |
| Poor 5y psychosocial environment | −0.03 | −0.13, 0.06 | .51 |
| 10y BMI z-score | |||
| Poor infant psychosocial environment | 0.10* | 0.00, 0.19 | .050 |
| Age | 0.01 | −0.07, 0.10 | .79 |
| Female | −0.03 | −0.12, 0.07 | .57 |
| Birth weight | 0.11** | 0.03, 0.20 | .009 |
| Weight change from 0–6 months | 0.20*** | 0.11, 0.29 | < .001 |
| Formula intake (mL/day) | −0.07 | −0.16, 0.02 | .12 |
| Received medicinal iron | −0.04 | −0.13, 0.05 | .27 |
| Randomized to iron supplementation | 0.01 | −0.09, 0.10 | .86 |
| Poor 10y psychosocial environment | −0.08 | −0.18, 0.02 | .10 |
| Adolescent BMI z-score (16–18y) | |||
| Poor infant psychosocial environment | 0.15** | 0.06, 0.24 | .002 |
| Age | 0.04 | −0.04, 0.12 | .35 |
| Female | 0.12** | 0.04, 0.21 | .005 |
| Birth weight | 0.13*** | 0.05, 0.22 | .001 |
| Weight change from 0–6 months | 0.18*** | 0.09, 0.26 | < .001 |
| Formula intake (mL/day) | −0.08 | −0.16, 0.01 | .074 |
| Received medicinal iron | −0.02 | −0.11, 0.07 | .68 |
| Randomized to iron supplementation | −0.02 | −0.11, 0.08 | .73 |
| Poor adolescent psychosocial environment | −0.03 | −0.12, 0.07 | .57 |
| Adolescent Blood Pressure Risk Composite | |||
| Poor infant psychosocial environment | 0.15** | 0.05, 0.24 | .003 |
| Age | 0.10* | 0.01, 0.18 | .031 |
| Female | 0.00 | −0.09, 0.09 | .98 |
| Birth weight | 0.10* | 0.01, 0.18 | .033 |
| Weight change from 0–6 months | 0.04 | −0.05, 0.14 | .36 |
| Formula intake (mL/day) | −0.03 | −0.23, 0.06 | .53 |
| Received medicinal iron | −0.07 | −0.16, 0.02 | .15 |
| Randomized to iron supplementation | −0.03 | −0.12, 0.07 | .60 |
| Parent diabetes | 0.09* | 0.00, 0.18 | .049 |
| Parent hypertension | 0.09* | 0.00, 0.18 | .044 |
| Poor adolescent psychosocial environment | −0.07 | −0.16, 0.03 | .19 |
| Adolescent Anthropometric Risk Composite | |||
| Poor infant psychosocial environment | 0.13* | 0.03, 0.22 | .011 |
| Age | 0.09* | 0.00, 0.18 | .050 |
| Female | 0.06 | −0.03, 0.15 | .20 |
| Birth weight | 0.14** | 0.05, 0.23 | .003 |
| Weight change from 0–6 months | 0.15*** | 0.06, 0.25 | .001 |
| Formula intake (mL/day) | −0.10* | −0.19, −0.01 | .037 |
| Received medicinal iron | 0.00 | −0.09, 0.09 | .96 |
| Randomized to iron supplementation | −0.03 | −0.13, 0.06 | .49 |
| Parent diabetes | 0.04 | −0.05, 0.13 | .43 |
| Parent hypertension | 0.04 | −0.05, 0.13 | .40 |
| Poor adolescent psychosocial environment | 0.00 | −0.10, 0.10 | .99 |
| Adolescent Biomarker Composite | |||
| Poor infant psychosocial environment | 0.12* | 0.02, 0.22 | .016 |
| Age | 0.16*** | 0.07, 0.24 | < .001 |
| Female | −0.01 | −0.10, 0.09 | .87 |
| Birth weight | 0.00 | −0.09, 0.09 | .93 |
| Weight change from 0–6 months | 0.05 | −0.04, 0.15 | .27 |
| Formula intake (mL/day) | −0.02 | −0.11, 0.07 | .70 |
| Received medicinal iron | −0.03 | −0.12, 0.07 | .58 |
| Randomized to iron supplementation | 0.01 | −0.09, 0.11 | .83 |
| Parent diabetes | 0.07 | −0.02, 0.16 | .14 |
| Parent hypertension | 0.05 | −0.04, 0.14 | .25 |
| Poor adolescent psychosocial environment | −0.11* | −0.21, 0.00 | .041 |
*
p ≤ .05
**
p ≤ .01
***
p ≤ .001.