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Table 2 Identity scale presented in order of symptoms mostly highly endorsed as ‘related’ to OCD (n = 272–276)

From: Testing the psychometric properties of the illness perceptions questionnaire for OCD (IPQ-O)

  N endorsing symptom Percentage of respondents Sample N
Compulsive behaviours or rituals (e.g. Handwashing, checking, counting silently to yourself, reassurance seeking) 265 96.0% 276
Obsessions (unpleasant thoughts, images or impulses that come into your mind repeatedly) 263 95.3% 274
Irrational thoughts 250 90.6% 276
Anxiety 244 88.4% 275
Feelings of unease 235 85.1% 275
Thinking too much about things 234 84.8% 276
Worrying too much 224 81.2% 276
Feeling tense 223 80.8% 276
Difficulty concentrating 209 75.7% 275
Low mood 206 74.6% 276
Always expecting the worst to happen 204 73.9% 275
Hypervigilance (constantly looking for danger, threats or harm) 199 72.1% 276
A fixed way of thinking 187 67.8% 276
Irritability 185 67.0% 275
Feeling withdrawn 174 63.0% 276
Restlessness 170 61.6% 273
Difficulty experiencing pleasure 169 61.2% 273
Paranoia 156 56.5% 273
Suicidal thoughts 154 55.8% 276
Lacking energy or motivation 148 53.6% 272
Sleep problems 146 52.9% 276
Feeling ‘dissociated’ or disconnected from yourself 136 49.3% 276
Disorientation 83 30.1% 273