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Table 2 Baseline participant characteristics of the control group and the intervention group

From: A randomized controlled trial into the cognitive effects of a computer-tailored physical activity intervention in older adults with chronic disease(s)

 

Control Group

Intervention Group

p-Value

(N = 325)

(N = 260)

 

Demographic characteristics

 Age in years, mean (SD)

74.5 (6.2)

74.2 (6.6)

0.62

 Gender, N (%)

  

0.59

  Male

164 (50.5%)

138 (53.1%)

 

  Female

161 (49.5%)

122 (46.9%)

 

 Marital status, N (%)

  

0.09

  Living single

50 (16.6%)

56 (22.6%)

 

  Living together

252 (83.4%)

192 (77.4%)

 

 Education, N (%)

  

0.54

  Low

151 (50.3%)

127 (52.3%)

 

  Moderate

60 (20.0%)

54 (22.2%)

 

  High

89 (29.7%)

62 (25.5%)

 

Health-related characteristics

 BMI, median (IQR)

26.9 (24.1–29.4)

26.9 (24.4–29.8)

0.35

 Degree of impairment, N (%)

  

0.39

  Little impaired

34 (11.1%)

29 (11.6%)

 

  Medium impaired

134 (43.8%)

123 (49.0%)

 

  Very impaired

138 (45.1%)

99 (39.4%)

 

 MVPA in min/wk., median (IQR)

145 (57.0–289.8)

141.5 (60.5–261.0)

0.70

 LPA in min/wk., mean (SD)

2486 (641)

2494 (674)

0.88

CF outcomes

 VLT – learning curve ratio, mean (SD)

1.84 (0.55)

1.81 (0.55)

0.50

 VLT – mean no. words recalled trial 1–5, mean (SD)

7.16 (2.11)

7.07 (2.05)

0.62

 VLT – no. words delayed recall, mean (SD)

7.42 (3.27)

7.39 (2.97)

0.90

 TMT – time B-A in sec, median (IQR)

30.32 (13.97–53.85)

28.45 (13.87–52.40)

0.76

 SST – SSRT in ms, median (IQR)

162.75 (111.58–225.25)

166.25 (115.17–226.42)

0.83

 LDST – no. correct subs, mean (SD)

10.81 (4.28)

10.85 (4.14)

0.92

  1. Abbreviations: SD standard deviation, IQR Inter Quartile Distance, BMI body mass index, MVPA minutes of moderate-to-vigorous physical activity per week, LPA minutes of light physical activity per week, CF cognitive functioning, VLT verbal learning test, TMT trail making test, SST stop-signal task, SSRT stop-signal reaction time, LDST letter digit substitution test. non-normally distributed variables tested with the Mann–Whitney U test