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Table 6 Heart Rate (HR) data measured during exercise sessions in completers (n = 22)

From: Multidisciplinary lifestyle intervention in children and adolescents - results of the project GRIT (Growth, Resilience, Insights, Thrive) pilot study

HR Measure

Weeks 2-4a

Weeks 5–8

Weeks 9–12

 

Mean ± SD

p-value

Minimum

111 ± 11

110 ± 7

109 ± 9

0.23

Maximum

191 ± 8

193 ± 8

196 ± 9

0.001*

Mean

147 ± 9

144 ± 7

146 ± 8

0.06

Mean % HRmax

75 ± 5

73 ± 4

74 ± 5

0.046**

  1. HRmax, estimated maximum heart rate from baseline maximal exercise testing data
  2. aWeek 1 set up / facilitation period excluded
  3. *Significant difference in maximum recorded HR across the program (weeks 2–4 vs. 5–8, p = 0.08; weeks 2–4 vs. 9–12, p = 0.002; weeks 5–8 vs. 9–12, p = 0.02)
  4. **Significant difference in % HRmax across the program, (weeks 2–4 vs. 5–8, p = 0.002, weeks 2–4 vs. 9–12, p = 0.29; weeks 5–8 vs. 9–12, p = 0.23)