Table 1 Respondents’ demographic and pain characteristic data. Data are presented as n (%)
Demographics | Full cohort (n = 1656) | Pain subgroup (n = 1384) | No pain subgroup (n = 272) | p-value* | |
|---|---|---|---|---|---|
Age (years) | 18–24 | 178 (10.8) | 129 (9.3) | 49 (18.0) |  < .0001 |
25–34 | 271 (16.4) | 208 (15.0) | 63 (23.2) | ||
35–44 | 339 (20.5) | 278 (19.8) | 65 (23.9) | ||
45–54 | 360 (21.7) | 316 (22.8) | 44 (16.2) | ||
55–64 | 302 (18.2) | 217 (19.6) | 31 (11.4) | ||
65 +  | 206 (12.4) | 186 (13.4) | 20 (7.4) | ||
Gender | Male | 393 (23.7) | 323 (23.3) | 70 (25.7) | .44 |
Female | 1258 (76.0) | 1056 (76.3) | 202 (74.3) | ||
Other | 5 (0.3) | 5 (0.4) | 0 (0.0) | ||
Highest education level completed | Primary school | 9 (0.5) | 7 (0.5) | 2 (0.7) | .0002 |
Secondary / high school | 678 (40.9) | 590 (42.6) | 88 (32.4) | ||
Vocational / trade qualification | 469 (28.3) | 396 (28.6) | 73 (26.8) | ||
University degree | 337 (20.4) | 272 (19.6) | 65 (23.9) | ||
Postgraduate degree | 163 (9.8) | 119 (8.6) | 44 (16.2) | ||
Pain Characteristics | |||||
Current musculoskeletal pain | 1384 (83.6) | 1384 (83.6) | 272 (16.4) | n/a | |
Pain of three month’s duration ever experienced | 1288 (77.8) | 1178 (85.1) | 110 (40.4) |  < .0001 | |
Pain of three month’s duration during last year | 1083 (65.4) | 1045 (75.5) | 38 (14.0) |  < .0001 | |
If pain of three month’s duration during last year, pain interference in past weeka | None at all | 63 (5.8) | 50 (4.8) | 13 (34.2) |  < .0001 |
A little | 362 (33.6) | 350 (33.7) | 12 (31.6) | ||
Quite a bit | 353 (32.8) | 347 (33.4) | 6 (15.8) | ||
A lot | 299 (27.8) | 292 (28.1) | 7 (18.4) | ||
Days off work because of pain during last year | 0 days | 1008 (61.6) | 795 (58.1) | 213 (79.5) |  < .0001 |
1–2 | 132 (8.1) | 116 (8.5) | 16 (6.0) | ||
3–7 | 139 (8.5) | 119 (8.7) | 20 (7.5) | ||
8–14 | 79 (4.8) | 73 (5.3) | 6 (2.2) | ||
15–30 | 68 (4.2) | 67 (4.9) | 1 (0.4) | ||
1–3 months | 59 (3.6) | 51 (3.7) | 8 (3.0) | ||
4–6 | 34 (2.1) | 32 (2.3) | 2 (0.8) | ||
7–12 | 20 (1.2) | 20 (1.5) | 0 (0.0) | ||
 > 12 | 97 (5.9) | 95 (6.9) | 2 (0.8) | ||