Table 1.
Factor loadings and internal consistency for OCD exploratory factor model
| F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | |
|---|---|---|---|---|---|---|---|---|
| Doubts/Scrupulosity | Symmetry/Exactness | Contamination | Aggressive urges | Fear-of-harm | Need for sameness | Superstitions | Hoarding | |
| Cronbach’s alpha | 0.76 | 0.85 | 0.76 | 0.77 | 0.65 | 0.60 | 0.72 | 0.75 |
| Item | ||||||||
| Checks that did not make mistakes | 0.81 | 0.27 | 0.03 | −0.13 | −0.10 | 0.00 | −0.03 | 0.02 |
| Re-reads or re-writes things | 0.60 | 0.50 | −0.12 | 0.01 | 0.00 | −0.01 | −0.18 | 0.04 |
| Checks that did not or will not harm others | 0.60 | 0.00 | 0.08 | 0.17 | 0.04 | 0.21 | 0.04 | −0.02 |
| Needs to tell, ask, or confess things | 0.57 | 0.05 | 0.07 | 0.11 | 0.12 | 0.19 | −0.01 | −0.05 |
| Is excessively concerned with right or wrong (morality) | 0.54 | 0.01 | 0.16 | −0.03 | 0.05 | 0.07 | 0.17 | 0.01 |
| Is concerned with upsetting thoughts having to do with God, religious teachings or beliefs | 0.51 | −0.13 | 0.10 | 0.16 | 0.04 | −0.19 | 0.08 | 0.08 |
| Has mental rituals (other than checking or counting) done intentionally to feel better | 0.40 | 0.12 | 0.02 | 0.07 | 0.05 | −0.12 | 0.24 | 0.10 |
| Has obsessions about symmetry | 0.00 | 0.83 | 0.08 | 0.03 | 0.02 | −0.09 | 0.02 | −0.04 |
| Needs certain things to be symmetrical | 0.02 | 0.78 | 0.07 | 0.08 | −0.06 | −0.04 | 0.04 | −0.09 |
| Often has thoughts about lining things up | −0.09 | 0.78 | 0.00 | −0.01 | 0.17 | 0.06 | −0.03 | 0.12 |
| Has ordering or arranging compulsions | 0.02 | 0.75 | 0.02 | 0.03 | 0.05 | 0.20 | 0.03 | 0.05 |
| Has obsessions about exactness | 0.25 | 0.66 | −0.02 | −0.08 | 0.09 | 0.06 | 0.00 | 0.07 |
| Needs to have certain things evened-up | 0.03 | 0.61 | 0.01 | 0.08 | −0.02 | −0.39 | 0.16 | −0.06 |
| Often has thoughts about evening things up | −0.05 | 0.61 | 0.00 | 0.08 | 0.02 | −0.46 | 0.14 | 0.06 |
| Has counting compulsions | 0.28 | 0.48 | −0.03 | 0.01 | −0.01 | −0.08 | 0.05 | 0.03 |
| Needs to repeat routine activities (like going in and out of a doorway or getting up and down from a chair) | 0.15 | 0.43 | 0.03 | 0.01 | 0.09 | −0.08 | 0.15 | −0.02 |
| Does other things to prevent or remove contact with contaminants | −0.01 | 0.14 | 0.82 | 0.06 | −0.01 | −0.02 | −0.04 | −0.06 |
| Is concerned with dirt or germs | −0.05 | 0.15 | 0.80 | 0.02 | 0.09 | 0.06 | 0.01 | 0.01 |
| Is concerned will get ill because of contamination | 0.01 | −0.07 | 0.78 | −0.08 | 0.19 | −0.07 | 0.13 | −0.01 |
| Is concerned with illness or disease | 0.18 | −0.08 | 0.56 | −0.03 | 0.12 | −0.02 | 0.21 | 0.06 |
| Is concerned or disgusted with bodily waste or secretions (like urine, feces, or saliva) | 0.06 | 0.11 | 0.56 | 0.21 | −0.01 | −0.07 | −0.02 | 0.01 |
| Is excessively concerned with environmental contaminants (like asbestos, radiation, or toxic waste) | 0.31 | −0.03 | 0.55 | 0.02 | −0.09 | −0.17 | 0.09 | 0.05 |
| Is excessively concerned with animals (like insects) | 0.00 | 0.16 | 0.49 | −0.01 | −0.06 | 0.08 | −0.03 | 0.24 |
| Is bothered by sticky substances or residues | 0.02 | 0.24 | 0.48 | 0.01 | 0.05 | 0.04 | −0.12 | −0.02 |
| Has experienced unreasonable urges to be destructive | −0.12 | 0.09 | 0.05 | 0.87 | −0.02 | 0.04 | −0.05 | 0.08 |
| Has experienced urges to injure or mutilate others | −0.18 | −0.08 | 0.01 | 0.84 | 0.04 | 0.21 | 0.02 | 0.06 |
| Has experienced unreasonable urges to offend others | −0.06 | −0.02 | 0.04 | 0.82 | −0.03 | 0.09 | 0.03 | 0.07 |
| Has experienced unreasonable urges to injure self | 0.04 | 0.01 | 0.04 | 0.67 | 0.18 | −0.14 | −0.05 | 0.01 |
| Has experienced unreasonable urges to do sudden and reckless things (behaviors) | 0.03 | 0.16 | −0.05 | 0.64 | 0.05 | −0.05 | 0.06 | −0.06 |
| Fears acting on an unwanted impulse | 0.18 | 0.09 | −0.02 | 0.53 | 0.26 | −0.06 | −0.02 | −0.04 |
| Has experienced a strong need to explore surroundings | 0.05 | 0.03 | −0.10 | 0.41 | −0.06 | 0.11 | 0.04 | 0.38 |
| Fears blurting out obscenities | 0.18 | 0.06 | −0.04 | 0.41 | 0.32 | −0.06 | −0.11 | −0.03 |
| Fears will steal things | 0.04 | −0.20 | 0.05 | 0.40 | 0.06 | −0.23 | 0.09 | 0.32 |
| Fears that might harm self | −0.07 | 0.04 | 0.22 | 0.01 | 0.83 | 0.03 | 0.02 | −0.01 |
| Fears that might harm other people | 0.12 | −0.03 | −0.02 | 0.01 | 0.74 | 0.01 | 0.15 | 0.07 |
| Takes measures (other than checking) to prevent harm to self or others, or terrible consequences | 0.32 | 0.05 | 0.26 | 0.02 | 0.53 | 0.04 | −0.05 | −0.05 |
| Needs to touch, tap, or rub things | 0.08 | 0.30 | 0.04 | 0.05 | 0.41 | −0.14 | 0.02 | 0.04 |
| Has to keep a strict timetable or routine for doing ordinary activities | −0.03 | 0.26 | 0.10 | −0.01 | 0.00 | 0.51 | 0.37 | 0.10 |
| Has to do things the same way every time | 0.02 | 0.41 | −0.01 | 0.01 | 0.01 | 0.47 | 0.33 | 0.09 |
| Has unreasonable, silly thoughts that may influence the outcome of some events if does certain things | 0.02 | −0.02 | −0.07 | 0.05 | 0.27 | 0.05 | 0.84 | −0.01 |
| Has silly thoughts that can influence the outcome of some events if does certain things | 0.00 | 0.00 | 0.01 | 0.03 | 0.23 | −0.01 | 0.82 | −0.16 |
| Has superstitious fears | 0.05 | 0.06 | 0.16 | 0.02 | −0.05 | −0.26 | 0.64 | 0.04 |
| Has superstitious behaviors | −0.03 | 0.11 | 0.10 | 0.02 | 0.06 | −0.23 | 0.54 | 0.07 |
| Has colors with special significance | 0.07 | 0.03 | −0.02 | 0.20 | −0.04 | −0.05 | 0.50 | 0.05 |
| Has lucky or unlucky numbers | 0.00 | 0.19 | 0.12 | −0.07 | 0.03 | −0.21 | 0.44 | 0.16 |
| Has obsessions about hoarding or saving things | 0.04 | 0.01 | 0.00 | 0.04 | 0.01 | 0.02 | 0.01 | 0.93 |
| Has compulsions to hoard or collect things | 0.00 | 0.07 | 0.03 | 0.06 | −0.02 | 0.01 | −0.09 | 0.90 |
| Fears losing things | 0.22 | 0.08 | 0.12 | 0.08 | 0.03 | −0.02 | 0.12 | 0.41 |
Items that loaded on 2 latent factors ≥0.40 were assigned to the factor with the higher loading.