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Table 3 Factor loadings with the strongest loading for each symptom item given in bold

From: The environmental hypersensitivity symptom inventory: metric properties and normative data from a population-based study

 

1

2

3

4

5

Concentration difficulties

.695

.145

.273

.216

.260

Depressed

.667

.084

.149

.235

.248

Worried

.649

.072

.154

.298

.239

Tensed/nervous

.644

.046

.189

.317

.210

Absent-minded

.613

.159

.210

.107

.223

General discomfort

.607

.080

.152

.428

.182

Irritable/edgy

.599

.090

.170

.174

.322

Memory difficulties

.564

.205

.263

.172

.142

Fatigue

.545

.142

.243

.102

.466

Sleep disturbance

.402

.163

.209

.101

.299

Coughing

.119

.683

.106

.240

.072

Throat irritation/hoarseness

.119

.665

.176

.239

.122

Shortness of breath

.174

.656

.124

.528

-.131

Excessive mucus production

.141

.587

.196

.246

-.057

Postnasal drip

.128

.564

.273

.106

.137

Nasal congestion/discharge

.133

.555

.194

.059

.327

Sneezing

.139

.555

.175

.064

.349

Irritation/dryness of the nasal mucosa

.145

.497

.408

.061

.236

Asthma or wheezing

.044

.476

.093

.397

-.253

Facial itching/stinging/tightness/heat

.205

.184

.691

.201

.076

Facial redness

.221

.136

.689

.134

.074

Dry facial skin

.259

.133

.599

.057

.266

Dry eyes

.090

.238

.509

.169

.213

Body itching

.207

.197

.478

.154

.147

Eye irritation/burning

.192

.350

.460

.173

.247

Chest discomfort

.238

.188

.143

.602

.106

Heart pounding

.264

.126

.206

.567

.136

Nausea

.270

.167

.107

.493

.424

Dizziness/lightheadedness

.238

.159

.254

.476

.313

Abdominal gas

.217

.167

.216

.040

.581

Abdominal swelling/bloating

.267

.114

.220

.195

.562

Headache

.273

.129

.069

.173

.535

Head fullness

.359

.187

.215

.307

.438

Head pressure

.281

.078

.162

.367

.399