Skip to main content

Table 2 Baseline Participant Characteristics by Child Obesity Status at 36 monthsa

From: Salivary epigenetic biomarkers as predictors of emerging childhood obesity

Child CharacteristicsChild not obese at 36 months (n = 47)Child obese at 36 months (n = 28)P valueb
Gender  0.32
 Male24 (51.1%)11 (39.3%) 
 Female23 (48.9%)17 (60.7%) 
Age at anthropometry collection (years)4.3 (0.8)4.3 (0.8)0.90
Age category (years)  0.93
 321 (44.7%)13 (46.4%) 
 417 (36.2%)9 (32.1%) 
 59 (19.1%)6 (21.4%) 
BMI (kg/m2)16.6 (0.7)16.9 (0.8)0.06
BMI-Z0.8 (0.5)1.0 (0.4)0.06
BMI category  0.05
 Normal weight34 (72.3%)14 (50.0%) 
 Overweight13 (27.7%)14 (50.0%) 
Waist circumference (cm)52.9 (2.6)54.3 (3.6)0.13
Race/Ethnicity  0.41
 Hispanic Mexican36 (76.6%)19 (67.9%) 
 Hispanic non-Mexican11 (23.4%)9 (32.1%) 
Parent Characteristics
 Age (years)33.0 (5.2)30.4 (6.0)0.06
 BMI (kg/m2)29.2 (7.4)29.7 (7.3)0.88
 BMI category  0.67
  Normal weight18 (38.3%)10 (35.7%) 
  Overweight8 (17.0%)3 (10.7%) 
  Obese21 (44.7%)15 (53.6%) 
 Waist circumference (cm)97.0 (16.2)99.3 (16.1)0.47
  1. Abbreviations: BMI body mass index, BMI-Z BMI z-score
  2. a Values are mean (SD) or frequency (percent)
  3. b Wilcoxon rank-sum test used for continuous variables, and Pearson’s chi-squared used for categorical variables