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. Author manuscript; available in PMC: 2020 May 2.
Published in final edited form as: Dev Psychobiol. 2016 Nov 26;59(2):225–234. doi: 10.1002/dev.21492

TABLE 5.

Structural equation models examining the relationship between BMI, age, developmental stage, and race in relation to log mean salivary uric acid (sUA)a

Model 1 Model 2 Model 3 Model 4 Model 5
N = 104 Males, N = 42 Females, N = 61 N = 104 Males, N = 42 Females, N = 61 Youth (<21), N = 60 Adults (21+), N = 44
β SE p β SE p β SE p β SE p β SE p β SE p β SE p β SE p
BMI percentile 0.28 0.09 .002 0.03 0.15 0.82 0.43 0.08 0.01 0.30 0.09 .001 0.13 0.15 0.40 0.43 0.09 .001 — — — — — —
BMI z-score — — — — — — — — — — — — — 0.23 0.12 0.01 0.36 0.10 0.01
Genderb 0.03 0.09 0.80 −.02 0.09 0.82 — — — — — — 0.11 0.12 0.39 −.29 0.13 0.03
Age 0.13 0.09 0.17 0.57 0.11 0.04 0.29 0.12 0.19 — — — — — — — — — −.27 0.12 0.03 0.09 0.14 0.53
Developmental stage
 Early (2–5) childhood — — — 0.37 0.32 .001 −.17 0.13 0.20 0.28 0.10 0.02
 Middle (6–12) childhood — — — −.38 0.11 .001 −.24 0.19 0.21 −.46 0.12 0.01
 Adolescence (13–18) — — — −.29 0.10 .005 −.26 0.18 0.15 −.19 0.12 0.10
 Adult (19+) — — — −.14 −.12 0.23 0.05 0.20 0.79 −.32 0.13 0.02
Mestizo −.16 0.10 0.15 −.21 0.10 0.04 −.28 0.19 0.13 −.11 0.11 0.33
Moreno 0.05 0.11 0.69 −.01 0.11 0.94 −.16 0.20 0.45 0.20 0.12 0.09
Zambo 0.18 0.10 0.11 0.12 0.11 0.26 −.02 0.19 0.90 0.25 0.12 0.03
R2 = 0.15 R2 = 0.09 R2 = 0.21 R2 = 0.25 R2 = 0.175 R2 = 0.45 R2 = 0.14 R2 = 0.19
RV = 0.85** RV = 0.91** RV = 0.80** RV = 0.75** RV = 0.83** RV = 0.55** RV = 0.86** RV = 0.81**

RV, residual variance

Consecutive dashes (—) indicate the exclusion of a variable in a model. Infants (<2 years old) not included in these analyses.

Model 1: Comprehensive model examining age-gender-specific BMI percentile, developmental stage, and race in relation to log mean sUA levels.

Model 2: Parsimonious model examining age-gender-specific BMI percentile and age in relation to sUA log mean sUA levels between males and females.

Model 3: Model examining age-gender-specific BMI percentile, developmental stage, and race in relation to log mean sUA levels.

Model 4: Model examining age-gender-specific BMI percentile, developmental stage, and race in relation to sUA between males and females

Model 5: Parsimonious model examining age-gender-specific BMI z-score, Gender, and Age in relation to log mean sUA levels between youth (<21 years) and adults (21+).

a

Standardized results reported from MPlus 7.2.

b

0, male; 1, female.

**

p ≤ 0.01.