Table 2 Neck-shoulder stiffness (NSS)
|  | Men (n = 426) | Women (n = 696) | P value |
|---|---|---|---|
NSS prevalence, n (%)a | 162 (38.0) | 423 (60.3) | < 0.001# |
VAS of NSSb | 36.2 ± 23 | 37.4 ± 22 | 0.558 |
NSS symptom frequency, n (%) | |||
 Daily | 45 (10.6) | 126 (18.1) |  |
 4–5 days/week | 15 (3.5) | 59 (8.5) |  |
 2–3 days/week | 15 (3.5) | 59 (8.5) |  |
 Less than 1/week | 46 (10.8) | 105 (15.1) |  |
Symptoms medically assessed, n (%) | 20 (4.7) | 64 (9.2) | 0.379 |