Table 2.

Neck pain intensity and disability and psychosocial variables presented for those with and without headache

Variables	Group		Z
	Headache (n = 28)	No Headache (n = 19)	P
VAS neck (i)	61.2 ± 14.5	35.5 ± 14.4	.001*,†
(mm)
VAS headache(i)	47.4 ± 14.2	—	—
(mm)
NDI (i)	24.0 ± 7.5	12.4 ± 4.4	.001*,†
TSK-11 (i)	29.6 ± 7.4	19.1 ± 4.8	.001*,†
PCS (i)	20.7 ± 11.0	5.6 ± 4.0	.001*,‡
Anxiety state (i)	26.0 ± 5.9	21.7 ± 4.4	.007*,‡
Anxiety trait (i)	25.9 ± 5.4	23.0 ± 4.3	.05*,†

^*T Student; ^†U Mann-Whitney; ^‡Chi-Square; (i) Data expressed as means ± standard deviation; (ii) Data expressed as percent (partial/total).

VAS = Visual Analogue Scale; NDI = Neck Disability Index, TSK-11; Tampa-Scale Kinesiophobia 11; PCS = Pain Catastrophizing Scale; Shapiro-Wilk Normality Test; P = Statistical Significance

^*Indicate statistically significant differences between groups (P < 0.05).