Table 3.

Probability of pain and disability scores in different trajectories, BACE-Brazil, n = 542.

	Pain trajectories				Disability trajectories
	Pain recovery(n = 31)	Incomplete pain recovery(n = 253)	Persistent severe pain(n = 258)		Disability recovery (n = 73)	Incomplete disability recovery(n = 210)	Persistent moderate-severe disability (n = 122)	Persistent severe disability (n = 137)
Baseline				Baseline
No pain	0.16	0.14	0.02	No disability	0.33	0.06	0.01	0.00
Mild-moderate pain	0.14	0.13	0.03	Mild-moderate disability	0.63	0.75	0.39	0.07
Severe pain	0.70	0.72	0.94	Severe disability	0.03	0.18	0.60	0.93
3 months				3 months
No pain	0.86	0.19	0.02	No disability	0.57	0.08	0.01	0.00
Mild-moderate pain	0.07	0.16	0.03	Mild-moderate disability	0.42	0.78	0.39	0.01
Severe pain	0.06	0.64	0.94	Severe disability	0.01	0.14	0.60	0.99
6 months				6 months
No pain	0.99	0.26	0.02	No disability	0.77	0.10	0.01	0.00
Mild-moderate pain	0.00	0.19	0.03	Mild-moderate disability	0.22	0.78	0.39	0.00
Severe pain	0.00	0.56	0.94	Severe disability	0.00	0.11	0.60	0.99
9 months				9 months
No pain	1.00	0.33	0.02	No disability	0.89	0.14	0.02	0.00
Mild-moderate pain	0.00	0.20	0.03	Mild-moderate disability	0.10	0.78	0.39	0.00
Severe pain	0.00	0.46	0.95	Severe disability	0.00	0.08	0.59	1.00
12 months				12 months
No pain	1.00	0.42	0.02	No disability	0.96	0.18	0.02	0.00
Mild-moderate pain	0.00	0.21	0.03	Mild-moderate disability	0.04	0.76	0.39	0.00
Severe pain	0.00	0.37	0.95	Severe disability	0.00	0.06	0.59	1.00

BACE, Back Complaints in the Elders.

Data show the probabilities of occurrence of the categorized scores of pain and disability in the trajectories at baseline, 3, 6, 9, and 12 months.