Illness perceptions; exploring mediators and/or moderators in disabling persistent low back pain. Multiple baseline single-case experimental design

Table 6 Final linear mixed model Regression effects, study phase A as reference class

	During treatment				Post treatment
	Effect crude	95% CI	Effect adjusted^b	95% CI	Effect crude	95% CI	Effect adjusted^b	95% CI
Pain Intensity	-2.23^a	−2.91 / -1.54	−1.3	− 1.9 / -0.7	−3.52^a	−4.21 / -2.84	− 1.8^a	− 2.4 / -1.2
Physical Functioning	− 2.41^a	− 3.07 / − 1.76	-1.6^a	− 2.2 / -1.1	− 4.10^a	− 4.50 / -3.44	− 2.6^a	− 3.2 / -1.1
Pain Interference Daily Life	− 2.39^a	− 3.05 / -1.73	−1.3	− 1.9 / 0.7	− 4.21^a	−4.87 / -3.55	−2.4^a	− 3.0 / -1.8

SD Standard deviation, All outcome = P < .05, ^a = Clinical meaningful improvement ≥ 30% baseline score [32].
^badjusted for: fear of movement, catastrophizing, avoidance, somberness and sleep

ISSN: 1471-2474