Table 5.

Prediction of long-term outcomes.

Long-term outcomes independent variable	Pain in last 6 months	Pain in last month	Back pain at rest	Current level of activity	Missed school/work days due to back pain in last 3 months	Pain medication use
Pain trajectory 1	b ± SE (p value)	b ± SE (p value	b ± SE (p value	b ± SE (p value)	b ± SE (p value)	b ± SE (p value)
Pain trajectory 2	2.20 ± 0.87 (0.012)	1.08 ± 0.65 (0.098)	0.69 ± 0.64 (0.28)	1.37 ± 1.20 (0.25)	−0.58 ± 0.97 (0.55)	0.92 ± 0.78 (0.24)
Pain trajectory 3	1.91 ± 0.88 (0.030)	1.86 ± 0.79 (0.018)	1.19 ± 0.71 (0.091	0.34 ± 0.98 (0.73)	1.07 ± 0.81 (0.19)	1.07 ± 0.81 (0.19)
Pain trajectory 4	1.97 ± 0.88 (0.025)	1.93 ± 0.78 (0.014)	3.15 ± 1.13 (0.0053)	1.16 ± 1.21 (0.34)	1.90 ± 0.79 (0.016)	1.67 ± 0.79 (0.033)