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Table 3 Drop out analysis: Baseline variables of the patients that replied to the six and twelve month follow-up questionnaire (reply) and dropouts

From: Effectiveness of a theory-based multicomponent intervention (Movement Coaching) on the promotion of total and domain-specific physical activity: a randomised controlled trial in low back pain patients

  

Reply

(n = 144)

Drop-out

(n = 268)

Group: Movement Coaching

n (%)

71 (49%)

130 (49%)

Age (years)

mean (SD)

51.9 (±7.0)

49.6 (±8.6)

Gender: men

n (%)

97 (68%)

189 (71%)

Body Mass Index (BMI)

mean (SD)

28.5 (±4.6)

29.8 (±6.0)

Highest level of education:

“lower secondary school”

n (%)

73 (51%)

151 (53%)

Duration of low back pain: >12 months

n (%)

121 (84%)

222 (83%)

Intensity of pain (minimum = 1; maximum = 6)

mean (SD)

median

[25%; 75%]-percentile

4.4 (±1.1)

5.0

[4.0; 5.0]

4.7 (±0.86)

5.0

[4.0; 5.0]

Baseline workplace physical activity

(MET-min/week)

mean (SD)

median

[25%; 75%]-percentile

4781 (±7267)

960

[0; 7720]

6054 (±8292)

780

[0; 10,800]

Baseline leisure time physical activity

(MET-min/week)

mean (SD)

median

[25%; 75%]-percentile

1023 (±1770)

480

[0; 1080]

812 (±1922)

0

[0; 960]

Baseline transport physical activity

(MET-min/week)

mean (SD)

median

[25%; 75%]-percentile

857 (±1766)

0

[0; 945]

699 (±1668)

0

[0; 720]