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Table 4 Comparison of QoL-AD composite scores, before and after the interventions in different groups

From: Effect of 9 weeks continuous vs. interval aerobic training on plasma BDNF levels, aerobic fitness, cognitive capacity and quality of life among seniors with mild to moderate Alzheimer’s disease: a randomized controlled trial

Item QoL-AD

Continuous training group, n = 14

Interval training group, n = 17

Control group, n = 21

Pre-training

Post-training

Pre-training

Post-training

Pre-intervention

Post-intervention

(1) Physical health

2 (2–3)

3 (2–3)

2 (2–3)

3 (2–3)

2 (2–3)

3 (2–3)

(2) Energy

3 (2–3)

3 (2–3)

3 (2–3)

3 (3–3)

2 (2–3)

3 (2–3)

(3) Mood

2 (2–3)

3 (2–3)*

3 (2–3)

3 (2–3)

2 (2–3)

2 (2–3)

(4) Living situation

3 (3–3)

3 (3–3)

3 (3–3)

3 (3–3)

3 (2–3)

3 (3–3)

(5) Memory

2 (1–3)

2 (2–2)

2 (2–2)

2 (2–3)

2 (1–2)

2 (2–2)

(6) Family

3 (2–3)

3 (3–3)

3 (3–3)

3 (3–3)

3 (3–3)

3 (2–4)

(7) Marriage

3 (3–4)

3 (3–4)

3 (2–3)

3 (2–3)

3 (2–3)

3 (2–3)

(8) Friends

3 (2–4)

3 (3–3)

3 (3–3)

3 (2–3)

3 (3–3)

3 (2–3)

(9) Self

3 (2–3)

3 (3–3)

3 (2–3)

3 (2–3)

3 (2–3)

3 (2–3)

(10) Ability to do chores

3 (2–3)

3 (2–3)

3 (2–3)

3 (2–3)

2 (2–3)

2 (2–3)

(11) Ability to do things for fun

3 (2–3)

3 (2–3)

3 (2–3)

3 (2–3)

2 (2–2)

2 (2–3)

(12) Money

2 (2–3)

3 (2–3)*

2 (2–3)

3 (2–3)

2 (2–3)

3 (2–3)

(13) Life as a whole

3 (2–3)

3 (3–3)

3 (2–3)

3 (2–3)

3 (2–3)

2 (2–3)

Total score

34 (32–36)

36 (34–37)*a

34 (32–35)

34 (32–36)

32 (29–34)

32 (29–36)a

  1. Median and range are provided unless otherwise indicated. *: intra group difference (p < 0.05). a: between group difference (p < 0.05) QOL-AD: Quality of Life in Alzheimer’s Disease, total score 13 to 52 with higher score indicating better quality of life