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. 2015 Dec;105(12):2496–2502. doi: 10.2105/AJPH.2015.302882

TABLE 2—

Cross-Classified Random-Effects Model Predicting Body Mass Index Percentile: Community Interventions for Health Study, Student Module, New Haven, Connecticut, 2009

Variable B (95% CI) SE
Student-level variables (n = 811)
 Latino 11.25** (3.29, 19.22) 4.06
 Black 12.63** (4.51, 20.75) 4.14
 Eligible for free or reduced-price lunch −2.33 (−10.78, 6.13) 4.31
 Meets 2010 dietary guidelines for fruit and vegetable intake −8.87 (−20.20, 2.45) 5.77
 Exercises 1 h each day −1.91 (−6.89, 3.06) 2.53
 Neighborhood social ties scale (0–5)a −2.65** (−4.28, −1.02) 0.83
Neighborhood-level variables (n = 25)b
 % Latino 0.22 (−0.08, 0.52) 0.15
 % Black 0.03 (−0.19, 0.25) 0.11
 Concentrated affluence 0.00 (−0.35, 0.35) 0.18
 Concentrated disadvantage −0.11 (−0.97, 0.74) 0.43
 Aggregated neighborhood social ties (0–5) 6.53 (−2.57, 15.64) 4.64
School-level variables (n = 12)c
 % Latino −0.04 (−0.34, 0.27) 0.16
 % Black −0.10 (−0.39, 0.20) 0.15
 % eligible for free or reduced-price lunch −0.15 (−0.69, 0.38) 0.27
 School Connectedness Scale (5–25) −2.31* (−4.43, −0.20) 1.08
Interaction: concentrated affluence × School Connectedness Scale −0.15* (−0.30, −0.01) 0.07
Intercept 70.93*** (57.54, 84.32) 5.66

Note. CI = confidence interval.

a

Continuous, individual-level independent variables were centered about the grand mean.

b

Continuous neighborhood-level independent variables were centered about the neighborhood-level mean.

c

Continuous school-level independent variables were centered about the school-level mean.

*P < .05; **P < .01; ***P < .001.