Table 1

Baseline characteristics

CharacteristicNo. (%) of patients*
n = 1561
Age, yr, mean ± SD49 ± 16
Gender
 Male705 (45.1)
 Female779 (49.9)
 Not stated, other or nonbinary77 (4.9)
Occupation
 Heavy or manual labor377 (24.2)
 Repetitive work337 (21.6)
 Light work219 (14.0)
 Sedentary or office work363 (23.2)
 Retired366 (23.4)
 Student87 (5.6)
 Unemployed63 (4.0)
 Disability104 (6.7)
Reason for visit
 Acute or new problem within the last month391 (25.0)
 Ongoing problem within previous 6 mo354 (22.7)
 Problem for more than 6 mo724 (46.4)
  • Note: SD = standard deviation.

  • * Unless stated otherwise.