Table 2.
No BDS | Single-organ BDS | CP subtype | GI subtype | MS subtype | GS subtype | Multi-organ BDS | |
---|---|---|---|---|---|---|---|
N = 1177 89.5% (88.1–90.7) | N = 327 8.5% (7.3–9.7) | N = 47 1.3% (0.9–1.9) | N = 173 4.0% (3.3–4.8) | N = 107 3.0% (2.3–3.8) | N = 111 3.1% (2.4–4.0) | N = 86 2.0% (1.6–2.6) | |
Basic | |||||||
Age, Median (IQR) | 55.0 (45.0–64.0) | 52.0 (42.0–60.0) | 51.0 (37.0–59.0) | 53.0 (42.0–61.1) | 53.0 (47.0–60.0) | 49.0 (40.0–56.0) | 48.5 (39.0–57.0) |
Sex; Women vs men, RR* | 1 (Ref.) | 1.3 (1.2–1.4) | 1.2 (1.0–1.5) | 1.3 (1.1–1.4) | 1.4 (1.2–1.5) | 1.3 (1.2–1.5) | 1.5 (1.3–1.7) |
Social** | |||||||
Cohabiting, RR | 1 (Ref.) | 0.9 (0.8–1.0) | 0.9 (0.7–1.1) | 0.9 (0.8–1.0) | 0.9 (0.8–1.0) | 0.9 (0.7–1.0) | 0.9 (0.7–1.0) |
Formerly employed, RR | 1 (Ref.) | 1.3 (1.1–1.6) | 1.4 (0.9–2.2) | 1.3 (1.0–1.6) | 1.7 (1.3–2.3) | 1.5 (1.2–2.1) | 1.6 (1.2–2.2) |
Never been employed, RR | 1 (Ref.) | 0.8 (0.3–2.0) | 0.7 (0.1–4.8) | 0.4 (0.1–1.8) | 2.6 (0.8–8.1) | 0.6 (0.2–3.0) | 2.5 (1.1–6.1) |
Vocational training, OR | 1 (Ref.) | 1.0 (0.8–1.3) | 1.2 (0.7–2.1) | 1.1 (0.8–1.5) | 0.9 (0.6–1.3) | 1.0 (0.7–1.5) | 1.0 (0.7–1.6) |
Physical health** | |||||||
Poor self-perceived healtha, RR | 1 (Ref.) | 2.3 (1.9–2.8) | 2.2 (1.5–3.4) | 2.0 (1.5–2.6) | 2.7 (2.1–3.5) | 3.0 (2.4–3.8) | 3.8 (3.0–4.8) |
Being limited in daily activitiesb, RR | 1 (Ref.) | 2.1 (1.8–2.5) | 2.1 (1.5–3.1) | 1.6 (1.3–2.1) | 2.6 (2.1–3.3) | 2.7 (2.1–3.3) | 2.9 (2.3–3.5) |
GP diagnosis and comorbidity** | |||||||
Having FSS according to a physicianc, RR | 1 (Ref.) | 2.3 (1.9–2.6) | 2.0 (1.4–2.9) | 2.7 (2.3–3.2) | 2.2 (1.8–2.7) | 1.9 (1.5–2.5) | 2.6 (2.1–3.2) |
Physical comorbidity, RR | 1 (Ref.) | 1.3 (1.3–1.5) | 1.4 (1.2–1.7) | 1.4 (1.3–1.5) | 1.2 (1.1–1.4) | 1.3 (1.2–1.5) | 1.3 (1.1–1.5) |
Mental comorbidity, RR | 1 (Ref.) | 2.8 (2.0–4.0) | 3.1 (1.7–5.8) | 2.7 (1.8–4.1) | 2.5 (1.5–4.2) | 3.9 (2.6–5.9) | 4.3 (2.7–6.6) |
Abbreviations: BDS = bodily distress syndrome; CP = cardiopulmonary; GI = gastrointestinal; MS = musculoskeletal; GS = general symptoms type.
IQR = interquartile range; RR = relative risk; OR = odds ratio.
*Adjusted for age.
**Adjusted for age and sex.
aFair or poor health89.
bAll of/most of/some of the time89.
cReceived a diagnosis of at least one of the following: Irritable bowel syndrome, fibromyalgia, chronic fatigue syndrome, whiplash associated disorders, and multiple chemical sensitivity by a general practitioner.
Bold: Significantly different from participants not having BDS (P < 0.05).