Predictors of response to foot orthoses and corticosteroid injection for plantar heel pain

Table 2 Significant predictor variables based on univariable analyses for foot orthoses at weeks 4 and 12

Dependent variable	Predictor variable	Pearson’s r	P-value^a
Week 4
Foot pain	Ankle dorsiflexion – knee extended	0.36	0.013
Foot pain	Foot Posture Index	−0.35	0.015
Foot function	FACS	−0.63	0.001
Foot function	FHSQ footwear subscale	0.37	0.010
First-step pain	Ankle dorsiflexion – knee extended	−0.39	0.006
First-step pain	Preference for foot orthoses	0.28	0.059
Week 12
Foot pain	BMI	−0.43	0.001
Foot pain	Duration of symptoms	−0.28	0.047
Foot function	BMI	−0.46	0.000
	FACS	−0.38	0.005
	FHSQ footwear subscale	−0.36	0.009
	First-step pain	−0.25	0.077
First-step pain	BMI	0.43	0.002
	Weightbearing hours	0.29	0.031
	Age	−0.29	0.036

Abbreviations: FACS Fear-Avoidance Components Scale, FHSQ Foot Health Status Questionnaire, BMI body mass index
^aThe alpha level to include predictors was 0.10

ISSN: 1757-1146