Table 1

Characteristics of the participants in the time of the interview

Age, mean (range) yearsa47 (24–60)
Female gender, n (%)ª13 (75%)
Duration post whiplash injury in months, mean (range)a28.5 (8–54)
Present neck pain intensity, VAS 0–100 mm, mean (range)29.9 (0–73)
Neck-specific disability, NDI % score 0–100, mean (range)34 (4–56)
Number of participants workinga, n (%)16 (94%)
White collar workersa, n (%)12 (75%)
Current work ability, single item WAI 0–10, mean (range)6.6 (1–10)
RCT group A, n (%)ª65%

Range = minimum to maximum; NDI, Neck Disability Index, % score 0 (no disability) to 100 (complete disability); VAS, Visual analogue scale, score 0 - (no pain) to 100 (worst possible pain); WAI, work ability index and the single item current work ability compared with the lifetime best, score 0 (completely unable to work) to 10 (work ability at its best); RCT group A refers to the allocation in the randomized controlled trial, receiving internet-based exercise support and few physiotherapy visits

aBaseline data, otherwise 1 year after the end of the rehabilitation program