PMC8192970_01
The Health Lifestyles Intervention in Chinese Children and Adolescents (HLI-CCA) intervention model with four strategy designs.
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Furthermore, children aged 6-12 years with higher BMI percentiles had larger decrements in the SBP and DBP Z-scores than their peers with lower BMI percentiles (Supplementary Figure 2).
Effect of interventions on high blood pressure (HBP, A for 6-12 years, B for 13-18 years), systolic high blood pressure (SHBP, C for 6-12 years, D for 13-18 years), and diastolic high blood pressure (DHBP, E for 6-12 years, F for 13-18 years) in different BMI Z-score change groups. Three BMI Z-score change groups were defined for the BMI Z-score changes between baseline and post-intervention: BMI Z-score changes between -0.5 and 0.5 as the Stable group, < -0.5 as the Decline group, and more than 0.5 as the Increase group. Red circles represent the prevalence of HBP, SHBP, and DHBP in the control group at baseline and blue circles represent that after the intervention. The prevalence of HBP, SHBP, and DHBP in the intervention group at baseline is represented by red triangles and that after the intervention is represented by blue triangles. Green bars represent the prevalence gaps of HBP, SHBP, and DHBP between the baseline and post-intervention.
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Even though the intervention group in both age groups presented larger decrements in the HBP, SHBP, and DHBP prevalence than those in the control group in each body weight change group, a non-statistically significant difference existed between the control group and the intervention group for prevalence gap with overlapped 95% confidence interval (Figure 5).