Table 3

Associations between height and risk of LBP among individuals without LBP at baseline, by age and BMI

 WomenMen
Total includedRisk ratio (95% CI) per 10 cm*Total includedRisk ratio (95% CI) per 10 cm*
Age at baseline (years)
 30–3925581.12 (0.97 to 1.28)19871.11 (0.94 to 1.31)
 40–4930721.03 (0.91 to 1.17)27491.11 (0.96 to 1.28)
 50–5922391.10 (0.94 to 1.29)22010.91 (0.76 to 1.09)
 60–6912341.17 (0.95 to 1.45)11640.98 (0.76 to 1.27)
p For interaction between height and age†0.720.40
BMI (kg/m2)
 <2544311.09 (0.98 to 1.22)26601.00 (0.85 to 1.17)
 25–29.934211.07 (0.95 to 1.21)44221.04 (0.92 to 1.17)
 ≥3012511.13 (0.93 to 1.37)10191.17 (0.95 to 1.44)
p For interaction between height and BMI†0.860.46
  • *Adjustment for education, work status, physical activity, smoking, blood pressure and lipid levels, and, if relevant, age and BMI.

  • †Height considered as a continuous variable; and age and BMI as categorical variables.

  • BMI, body mass index; LBP, low back pain.