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Table 4 Results of the mixed models’ intention to treat analyses on secondary outcome measures of physical and mental health

From: The effects of a moderate physical activity intervention on physical fitness and cognition in healthy elderly with low levels of physical activity: a randomized controlled trial

 

Intervention group

N = 69

Control group

N = 33

Model A

N = 102

  

Model B

N = 96

  

Mean (sd)

Mean (sd)

B (95% CI)

P value

d

B (95% CI)

P value

d

ADL limitations

 Baseline

0.23 (0.86)

0.33 (0.69)

      

 9 months

0.23 (0.73)

0.42 (0.71)

 − 0.10 (− 0.19 to − 0.004)

.04

.12

 − 0.11 (− 0.21 to − 0.01)

.03

.14

Experienced frailty

 Baseline

0.11 (0.07)

0.12 (0.07)

      

 9 months

0.11 (0.06)

0.11 (0.07)

0.00 (− 0.01 to 0.01)

.46

0

0.00 (− 0.00 to 0.01)

.33

0

Mental health

 Baseline

81.67 (11.00)

79.96 (13.94)

      

 9 months

81.07 (12.85)

83.52 (11.61)

 − 2.50 (− 4.51 to − 0.50)

.02

.21

 − 2.48 (− 4.62 to − 0.34)

.02

.21

 

Intervention group

N = 39

Control group

N = 23

Model A

N = 62

  

Model B

N = 56

  

Mean (sd)

Mean (sd)

B (95% CI)

P value

d

B (95% CI)

P value

d

Depressive symptoms

 Baseline

8.92 (6.05)

8.35 (6.67)

      

 9 months

7.64 (5.72)

8.30 (7.35)

 − 0.67 (− 1.95 to 0.60)

.30

.11

 − 0.86 (− 2.27 to 0.55)

.23

.14

  1. Model A: adjusted for y at baseline, age, and sex. Model B: adjusted for y at baseline, age, sex, education, and ApoE-ε4 carrier status. PA Physical activity as measured in daily number of steps taken, ADL Activities of daily living, IGF-I Insulin-like growth factor 1, HDL High-density lipoprotein, d Cohen’s d