Table 2.

Measures taken and schedule during phase I ^a

Variables	Instrument	Schedule b
			Stage 2
		Stage 1	Time 1	Time 2 (week 7)
Walking behavior
Walking pattern	Ad hoc self-report scale	X	X	X
	Daily logs			X
Minutes spent walking in previous week	IPAQ walking	X	X
Steps and distance	Pedometer			X
TPB variables	Ad hoc TPB questionnaire
Behavioral intention			X
Attitude			X
Perceived norm			X
Perceived behavioral control			X
Behavioral beliefs			X	Xc
Injunctive and descriptive beliefs			X	Xc
Control beliefs			X	Xc
Fear avoidance	Spanish adaptation of TSK		X
Total physical activity	IPAQ–Spanish Short Form	X	X
Intense physical activity		X	X
Moderate physical activity		X	X
Sitting		X	X
Fibromyalgia impact	Spanish adaptation of FIQ		X
Pain intensity	11-points numerical rating scale	X	X
Emotional status: Distress	Spanish adaptation of HADS		X

^aFIQ: Fibromyalgia Impact Questionnaire; HADS: Hospital Anxiety and Depression Scale; IPAQ: International Physical Activity Questionnaire; TPB: Theory of Planned Behavior; TSK: Tampa Scale for Kinesiophobia. ^bWomen who attended the association or university laboratory for assessment. Daily logs and pedometer readings were taken at time 1. ^cFor test–retest reliability.