Table 1
Characteristics of the participants in the time of the interview
Age, mean (range) yearsa 47 (24–60) Female gender, n (%)ª 13 (75%) Duration post whiplash injury in months, mean (range)a 28.5 (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 (%)ª 65% 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