|
Score range
|
Baseline (n = 407)
|
6 months (n = 364)
|
12 months (n = 337)
|
18 months (n = 319)
|
---|
Outcome
| | | | | |
Physical functioninga
|
0–100
|
48.7 (25.8)
|
50.1 (27.4)
|
49.8 (27.5)
|
49.5 (27.4)
|
Cognitive appraisals
| | | | |
Consequences
|
0–10
|
5.3 (2.7)
|
5.1 (2.6)
|
4.9 (2.7)
|
4.8 (2.7)
|
Concerns
|
0–10
|
5.1 (3.7)
|
5.5 (3.0)
|
5.2 (3.1)
|
5.2 (3.0)
|
Emotional representations
|
0–10
|
4.2 (3.0)
|
4.3 (2.9)
|
3.9 (3.0)
|
4.0 (3.0)
|
Self-efficacya
|
6–60
|
33.8 (12.5)
|
34.2 (13.5)
|
35.3 (13.1)
|
35.6 (12.8)
|
Catastrophizing
|
0–6
|
1.8 (1.5)
|
1.9 (1.6)
|
1.8 (1.6)
|
1.8 (1.5)
|
Cognitive coping
| | | | |
Ignoring paina
|
0–6
|
3.0 (1.5)
|
2.9 (1.4)
|
3.1 (1.5)
|
3.0 (1.4)
|
Positive self-statementa
|
0–6
|
3.5 (1.8)
|
3.5 (1.8)
|
3.4 (1.8)
|
3.4 (1.7)
|
Behavioural coping
| | | | |
Increasing activity levelsa
|
0–6
|
3.4 (1.7)
|
3.3 (1.6)
|
3.4 (1.6)
|
3.3 (1.6)
|
Activity avoidance
|
5–20
|
12.2 (3.5)
|
12.1 (3.6)
|
12.2 (3.6)
|
12.0 (3.6)
|
Time-dependent covariates
| | | | | |
Pain intensity
|
0–100
|
64.4 (17.3)
|
65.0 (18.5)
|
61.6 (19.8)
|
62.7 (19.4)
|
Anxiety symptoms
|
0–21
|
5.1 (3.7)
|
5.4 (3.7)
|
4.9 (3.8)
|
4.9 (3.6)
|
Depression symptoms
|
0–21
|
5.4 (3.5)
|
5.3 (3.6)
|
4.9 (3.5)
|
5.3 (3.9)
|
- ahigher score is positive