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. Author manuscript; available in PMC: 2019 Nov 7.
Published in final edited form as: J Adv Nurs. 2018 May 7:10.1111/jan.13699. doi: 10.1111/jan.13699

Table 2.

Aim 1 Variables

Variable Method of Measurement Operational Definition Level of Measurement

Age Medical Record/Patient Report Age (in years) Continuous

Sex Medical Record/Patient Report Male vs. Female Dichotomous

Race Medical Record/Patient Report White vs. non-White Dichotomous

Anxiety Generalised Anxiety Disorder-7 (GAD-7) Scale Score 0-21 Continuous

Depressed Patient Health Questionnaire-8 (PHQ-8) Score 0-24 Continuous

Pain Catastrophizing Pain Catastrophizing Scale (PCS) Score 0-52 Continuous

Anticipatory Pain Numeric Rating Scale (NRS) 0-10 0-10 on NRS Continuous

Chronic Pain Conditions Medical Record/Patient Report No vs. Yes Dichotomous

Opioid Tolerance Medical Record/Patient Report No vs. Yes Dichotomous

Duration of Injury Medical Record/Patient Report Time from injury/tissue loss ≤ 7 days, 8-30 days, 31-90 days, 91-256 days, ˃257 days Categorical

Type of Wound Medical Record/Patient Report Acute vs. Chronic Dichotomous

Clinical Inflammation: Erythema Clinical Signs and Symptoms Checklist (CSSC) No vs. Yes Dichotomous
AND AND
Temperature Infrared Thermometer No vs. Yes

Resting Wound Pain 0-10 NRS 0-10 on NRS Continuous