Table 2.

Baseline characteristics of the study population, n=89

Characteristics		Missing (n)*
Age, median (IQR)	52 (47–59)	0
Neck disability, median (IQR)	28 (20–33)	0
Average pain intensity, mean (SD)	5.2 (1.6)	0
Depression, median (IQR)	8 (6–12)	1
Fear of movement, median (IQR)	29 (26–33)	0
Catastrophising, median (IQR)	6 (3–11)	0
Social support, mean (SD)	6.2 (3.4)	1
Recovery expectation, median (IQR)	4 (3–4)	4
Chronic widespread pain, freq (%)		0
Yes	40 (45)
Leisure physical activity, freq (%)		0
No/low intensity	60 (67)
Moderate/high intensity	29 (33)
Physical workload, freq (%)		1
Mostly sedentary	36 (41)
Low/heavy work load	52 (59)
Dual-working, freq (%)		4
Yes	38 (45)

*Missing answer.

freq, frequency.