. Author manuscript; available in PMC: 2023 Dec 1.

Published in final edited form as: PM R. 2022 Jan 18;14(12):1417–1429. doi: 10.1002/pmrj.12732

Table 3.

Characteristics of dropouts from baseline (T₀) to crossover point (T₁) by study group.

Characteristic	OMT Group Dropouts N=6 Mean (SD) or N (%)	Waiting Period Group Dropouts N=6 Mean (SD) or N (%)	P-value
Age (years)	38.33 (14.09)	44.67 (15.36)	0.47^*
Sex			0.99^†
Female	5 (83%)	6 (100%)
Male	1 (17%)	0 (0%)
Duration of NP (years)	6.22 (5.84)	10.25 (6.87)	0.30^*
Average pain	6.33 (1.03)	5.67 (1.97)	0.48^*
Current pain	6.33 (1.03)	5.67 (2.16)	0.51^*
NDI (%)	43.3 (8.1)	36.8 (8.6)	0.27^*

OMT=osteopathic manipulative treatment; SD=standard deviation; NP=neck pain; NDI=Neck Disability Index.

t-tests were used.

^†

Chi-square test was used.