Table 2. Baseline characteristics of all participants.

Comparisons are provided between individuals with LBP still enrolled at six months and all individuals with LBP. Baseline characteristics of all individuals with LBP are also compared to those of individuals without LBP.

	Individuals with LBP still enrolled at 6 months	Comparison using t-tests	Individuals with LBP initially recruited for the study	Comparison using t-tests	Individuals without LBP
	Total (77)		Total (100)		Total (19)
	Mean ± SD	t	Mean ± SD	t	Mean ± SD
	[min-max]	p	[min-max]	p	[min-max]
Age (years)	37.0 ± 11.0	t = 0.26	36.6 ± 12.1	t = 1.69	31.5 ± 11.0
	[19–59]	p = .79	[19–59]	p = .09	[20–58]
Weight (kg)	75.5 ± 18.6	t = 0.34	76.5 ± 18.7	t = 0.63	73.5 ± 11.6
	[45.4–150]	p = .73	[45.4–150]	p = .53	[58.0–95.0]
Height (cm)	170.6 ± 9.4	t = 0.16	170.9 ± 9.3	t = 0.92	173.1 ± 9.4
	[154.9–192]	p = .87	[154.9–192]	p = .36	[155.0–190]
Disability (Roland-Morris /24)	1.7 ± 2.5	t = 3.30	2.8 ± 2.6		NA
	[0–10]	p < .001	[0–11]
Mean clinical pain (VAS /100)	21.3 ± 14.6	t = 0.40	22.6 ± 16.3		NA
	[3–65]	p = .39	[1–75]
Pain catastrophizing scale (PCS /52)	13.2 ± 11.0	t = 0.17	13.5 ± 10.9	t = 2.82	5.8 ± 7.3
	[0–52]	p = .87	[0–52]	p = .006	[0–27]
Pain vigilance	35.5 ± 11.9	t = 0.00	35.5 ± 11.6	t = 1.29	31.4 ± 14.3
(PVAQ/80)	[2–59]	p = 1.00	[5–64]	p = .20	[2–58]
Work satisfaction (MSQ/100)	80.7 ± 11.4	t = 0.16	80.4 ± 10.9	t = 0.75	78.2 ± 11.9
	[53–100]	p = .88	[53–100]	p = .46	[46–99]
Lumbar pain threshold (°C)	45.0 ± 2.3	t = 0.40	44.8 ± 2.3	t = 0.18	44.7 ± 1.5
	[40.0–50.0]	p = .69	[38.5–50.0]	p = .86	[42.0–47.0]
Lumbar pain tolerance (°C)	50.1 ± 1.7	t = 0.29	49.9 ± 1.7	t = 1.79	49.2 ± 2.2
	[44.4–52.0]	p = .77	[44.4–52.0]	p = .08	[45.0–52.0]