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Table 3 Mean of intervention and control groups, and mean difference between groups for continuous outcomes

From: Effect of a multifactorial interdisciplinary intervention on mobility-related disability in frail older people: randomised controlled trial

Outcomesa Groupsb     Difference between groupsc
  Intervention Control Intervention minus control
  Month 0 (n = 120) Month 3 (n = 111) Month 12 (n = 107) Month 0 (n = 121) Month 3 (n = 117) Month 12 (n = 109) Month 3 adjusted for Month 0 Month 12 adjusted for Month 0
Reintegration to Normal Living Index 22.1 (4.4) 25.8 (6.0) 23.1 (5.1) 22.7 (3.5) 25.1 (5.2) 22.8 (5.5) 0.92 (-0.4 to 2.2, P = 0.17) 0.56 (-0.7 to 1.9, P = 0.40)
Life Space Assessment 27.6 (12.9) 35.5 (16.1) 34.2 (16.2) 30.0 (14.3) 30.3 (13.9) 30.9 (5.5) 6.57 (3.6 to 9.5, P < 0.001) 4.68 (1.4 to 7.9, P = 0.005)
Activity Measure for Post Acute Cared 51.0 (8.4) - 53.2 (7.9) 54.2 (7.8) - 52.2 (8.80) - 3.16 (1.5 to 4.8, P < 0.001)
NEADL 9.4 (4.1) 10.6 (4.6) 10.1 (5.2) 9.1 (4.3) 9.8 (4.7) 9.5 (4.8) 0.44 (-0.4 to 1.3, P = 0.3) 0.08 (-0.96 to 1.11, P = 0.88)
Gait speed (m/s) 0.48 (0.18) 0.50 (0.21) 0.55 (0.24) 0.50 (0.17) 0.51 (0.21) 0.50 (0.25) 0 (-0.04 to 0.04, P = 0.93) 0.05 (0.0004 to 0.1, P = 0.048)
  1. a Higher scores reflect better performance for all outcomes; b data presented as mean (SD); c Data presented as mean (95% confidence intervals); d not assessed at 3 months. P-values < 0.05 are in bold. NEADL: Nottingham Extended Activities of Daily Living Index, mobility component.