Table 6 Phase 3 18-item OARS day one item factor loadings

OARS Item 6: I’ve had constant pain in the affected area

.779

.078

.257

.213

OARS Item 5: It’s been painful in the affected area

.774

.021

.248

.224

OARS Item 7: I’ve had pain at night in the affected area

.768

.071

.276

.189

OARS Item 8: The affected area has felt swollen

.665

.159

.002

.003

OARS Item 3: I’ve felt tired

.576

.337

.037

−.147

OARS Item 17: I’ve been constipated

.317

.263

.011

.042

OARS Item 16: I’ve felt woozy

.027

.878

.032

.105

OARS Item 15: I’ve felt sick

.086

.821

.123

.146

OARS Item 4: I’ve felt faint

.120

.755

.063

.057

OARS Item 1: I’ve felt unwell

.452

.614

.195

.114

OARS Item 2: I’ve felt disorientated

.274

.542

.027

.170

OARS Item 18: I’ve lost my appetite

.100

.540

.121

.339

OARS Item 13: I’ve found it difficult to sleep

.114

.080

.919

.137

OARS Item 12: I’ve not slept well

.141

.118

.911

.174

OARS Item 14: I’ve not been able to sleep due to the pain in the affected area

.404

.152

.739

.169

OARS Item 10: I’ve not been able to stand

.199

.178

.184

.857

OARS Item 11: I’ve not been able to walk

−.059

.289

.264

.804

OARS Item 9: I’ve had difficulty getting into bed

.462

.156

.056

.579