American Academy of Pediatrics

TABLE 2

Infant Anthropometric Outcomes in the First 1000 Days, by Intervention Assignment

Main Outcome	Unadjusted n (%) or Mean (SD)	Unadjusted Mean Difference or OR (95% CI)	Adjusted^a Mean Difference or OR (95% CI)
6-mo outcomes (N = 1518)
Wt-for-length z score
Intervention sites	0.16 (1.05)	−0.15 (−0.27 to −0.04)*	−0.27 (−0.39 to −0.15)*
Comparison sites	0.31 (1.14)	0.00 (reference)	0.00 (reference)
Wt for length ≥97.7th percentile
Intervention sites	33 (3.6%)	0.56 (0.34 to 0.90)*	0.46 (0.28 to 0.76)*
Comparison sites	37 (6.2%)	1.00 (reference)	1.00 (reference)
12-mo outcomes (N = 1498)
Wt-for-length z score
Intervention sites	0.41 (1.03)	−0.06 (−0.17 to 0.05)	−0.18 (−0.30 to −0.07)*
Comparison sites	0.47 (1.10)	0.00 (reference)	0.00 (reference)
Wt for length ≥97.7th percentile
Intervention sites	56 (6.2%)	0.77 (0.52 to 1.16)	0.60 (0.39 to 0.92)*
Comparison sites	46 (7.8%)	1.00 (reference)	1.00 (reference)

Main Outcome	Unadjusted n (%) or Mean (SD)	Unadjusted Mean Difference or OR (95% CI)	Adjusted^a Mean Difference or OR (95% CI)
6-mo outcomes (N = 1518)
Wt-for-length z score
Intervention sites	0.16 (1.05)	−0.15 (−0.27 to −0.04)*	−0.27 (−0.39 to −0.15)*
Comparison sites	0.31 (1.14)	0.00 (reference)	0.00 (reference)
Wt for length ≥97.7th percentile
Intervention sites	33 (3.6%)	0.56 (0.34 to 0.90)*	0.46 (0.28 to 0.76)*
Comparison sites	37 (6.2%)	1.00 (reference)	1.00 (reference)
12-mo outcomes (N = 1498)
Wt-for-length z score
Intervention sites	0.41 (1.03)	−0.06 (−0.17 to 0.05)	−0.18 (−0.30 to −0.07)*
Comparison sites	0.47 (1.10)	0.00 (reference)	0.00 (reference)
Wt for length ≥97.7th percentile
Intervention sites	56 (6.2%)	0.77 (0.52 to 1.16)	0.60 (0.39 to 0.92)*
Comparison sites	46 (7.8%)	1.00 (reference)	1.00 (reference)

Data are presented as mean (SD) with mean difference (95% CI) or n (%) with OR (95% CI).

All models were adjusted for birth weight, race and/or ethnicity (imputed), and public insurance.

Statistical significance at the P = .05 level.