Table 1

Number of individuals included in the study of risk of LBP, among individuals without chronic LBP at baseline

WomenMen
Total nWith chronic
LBP in HUNT3
n (%)
Total nWith chronic
LBP in HUNT3
n (%)
Age at baseline (year)
 30–392819552 (19.6)2106305 (14.5)
 40–493317710 (21.4)2883464 (16.1)
 50–592513495 (19.7)2366316 (13.4)
 60–691601348 (21.7)1367190 (13.9)
BMI at baseline (kg/m2)
 ≤24.94820911 (18.9)2837355 (12.5)
 25–29.93892846 (21.7)4715708 (15.0)
 30–34.91178258 (21.9)1019188 (18.4)
 ≥3533485 (25.4)12821 (16.4)
Diabetes
 Absent10 1342082 (20.5)85621244 (14.5)
 Present11623 (19.8)16031 (19.4)
  • BMI, body mass index; HUNT, Nord-Trøndelag Health Study; LBP, low back pain.