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Table 4 Difference (95% CI) in parent’s health outcomes at months 6 and 12

From: Leveraging family dynamics to increase the effectiveness of incentives for physical activity: the FIT-FAM randomized controlled trial

  Difference from Baseline, by Study Arm Between-arm Comparisons
Child-Based Incentive (n = 159) Family-Based Incentive (n = 157) Family-Based Incentive vs Child-Based Incentive
MONTH 6
 Body mass index (kg/m2) 0.0 (− 0.1, 0.1) 0.0 (− 0.1, 0.1) 0.0 (− 0.1, 0.2)
 Systolic blood pressure (mm Hg) −1.1 (− 2.7, 0.4) −1.7* (− 3.1, − 0.3) − 0.6 (− 2.6, 1.5)
 NET-F VO2maxa − 0.1 (− 0.2, 0.1) −0.1* (− 0.2, 0.0) 0.0 (− 0.2, 0.1)
 Change in EQ-5D Indexb 0.016* (0.002, 0.031) 0.001 (− 0.015, 0.018) −0.015 (− 0.037, 0.007)
MONTH 12
 Body mass index (kg/m2) 0.2* (0.0, 0.3) 0.2** (0.0, 0.3) 0.0 (−0.2, 0.2)
 Systolic blood pressure (mm Hg) −1.1 (− 2.9, 0.7) −0.7 (− 2.3, 0.9) 0.4 (− 2.0, 2.8)
 NET-F VO2maxa − 0.2*** (− 0.3, − 0.1) − 0.2** (− 0.3, − 0.1) 0.0 (− 0.1, 0.2)
 Change in EQ-5D Indexb −0.009 (− 0.025, 0.008) −0.011 (− 0.026, 0.005) −0.002 (− 0.024, 0.021)
  1. a NET-F VO2max is a measure of cardiorespiratory fitness assessed without lab-based exercise
  2. b EQ-5D is a standardized means of measuring health-related quality of life
  3. Note: * p < 0.05, ** p < 0.01, *** p < 0.001