Table 5 Multivariate logistic regression analyses of associations between health status at baseline and persistent LBP at follow-up. Stratified for gender and adjusted for age.

Model 1

LBP-all, n = 3,223

1.78 (1.45–2.23)

2.04 (1.50–2.79)

Headache-all, n = 8,266

1.74 (1.08–2.79)

1.14 (0.78–1.66)

Asthma, n = 2,685

1.36 (1.10–1.69)

1.11 (0.80–1.53)

LBP-all + headache-all + asthma, n = 1,189

1.87 (1.46–2.39)

1.85 (1.25–2.75)

Model 2

LBP-long, n = 588

3.55 (2.60–4.83)

2.54 (1.53–4.20)

Headache-long, n = 591

1.55 (1.13–2.11)

2.40 (1.21–4.74)

Asthma, n = 2,685

1.37 (1.10–1.70)

1.12 (0.80–1.57)

LBP-long + headache-long + asthma, n = 81

4.22 (2.27–7.82)

6.56 (1.19–36.35)