The Postpartum Obsessive-Compulsive Scale: Psychometric, Operative and Epidemiologic Study in a Portuguese Sample
Abstract
:1. Introduction
2. Methods
2.1. Study Design
2.2. Ethical Review
2.3. Procedure and Participants
2.4. Instruments
2.4.1. Perinatal Obsessive–Compulsive Scale
2.4.2. Postpartum Depression Screening Scale—Short Version
2.4.3. Perinatal Anxiety Screening Scale
2.4.4. Diagnostic Interview for Psychological Distress-Postpartum (DIPD-PP)
2.5. Statistical Analysis
3. Results
3.1. Psychometric Study of the Postpartum Obsessive-Compulsive Scale
Construct Validity
3.2. Reliability (Internal Consistency)
3.3. Convergent Validity
3.4. Criterion (Concurrent) Validity
3.5. POCS Severity Scale Screening Performance
3.6. Epidemiological Study
3.6.1. OCD Diagnosis Prevalence
3.6.2. Symptoms Checklists
3.7. Symptoms Severity and Interference Scales
3.8. Onset of Symptoms
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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F1 | F2 | F3 | |
---|---|---|---|
F1 Interference | |||
F2 Behaviors severity | 0.58; p < 0.001 | ||
F3 Thoughts severity | 0.50; p < 0.001 | 0.73; p < 0.001 | |
Total Severity Scale (F2 + F3) | 0.57; p < 0.001 | 0.93; p < 0.001 | 0.93; p < 0.001 |
PDSS (32.56 ± 12.41) | PASS (19.66 ± 15.59) | |
---|---|---|
Thoughts Severity (4.17 ± 3.52) | 0.38; p < 0.001 | 0.26; p < 0.001 |
Behaviors Severity (2.65 ± 233) | 0.40; p < 0.001 | 0.24; p < 0.001 |
Total Severity (6.82 ± 6.31) | 0.42; p < 0.001 | 0.27; p < 0.001 |
Interference (6.96 ± 6.90) | 0.60; p < 0.001 | 0.38; p < 0.001 |
POCS | Group 1 OCD n = 4 (1.9%) | Group 2 Depression n = 9 (4.2%) | Group 3 Anxiety n = 7 (3.3%) | Group 4 Unaffected n = 186 (87.7%) | Pairwise Comparisons (Z; p) |
---|---|---|---|---|---|
Severity | 1 < 2 * (−2.476; 0.006) | ||||
M (SD) | 18.75 (6.55) | 5.11 (5.98) | 6.86 (5.81) | 4.41 (5.37) | 1 < 3 * (−2.373; 0.006) |
Md (IQR) | 21 (10.71) | 3 (8.50) | 7 (7) | 2 (7) | 1 < 4 * (−3.162; 0.002) |
Interference | 1 < 4 * (−2.571; 0.003) | ||||
M (SD) | 9.25 (5.50) | 2.33 (4.79) | 8.57 (10.61) | 3.20 (5.88) | |
Md (IQR) | 12 (10) | 0 (4) | 4 (22) | 0 (5) |
Group 1 OCD n = 4 (1.9%) | Group 4 Unaffected n = 186 (87.7%) | χ2; p OR (95% CI) | |
---|---|---|---|
Section A—Repeated worries, thoughts or images | |||
4. Somebody taking your baby away | 4 (100%) | 66 (32.7%) | 7.925; 0.013 1.061 (1.001–1.124) |
9. Someone else having inappropriate sexual contact with your baby | 3 (75.0%) | 31 (15.3%) | 10.128; 0.015 16.546 (1.667–164.280) |
12. Harming your baby during bath time | 3 (75.0%) | 24 (11.9%) | 5.168; 0.048 7.417 (0.998–55.119) |
13. Burning the baby | 2 (50.0%) | 11 (5.4%) | 13.169; 0.021 17.364 (2.231–135.152) |
14. Harming your baby while he/she is asleep | 2 (50.0%) | 12 (5.9%) | 12.021; 0.024 15.833 (2.049–122.372) |
15. Your baby bleeding | |||
22. Baby being spiritually possessed (for example, by negative force) | 2 (50.0%) | 5 (2.5%) | 26.988; 0.006 39.400 (4.582–338.775) |
Section B—Repeated behaviors | |||
1. Washing or cleaning your hands | 3 (75.0%) | 34 (16.8%) | 9.007; 0.003 14.824 (1.497–146.820) |
3. Checking the door, locks, oven, etc. | 4 (100%) | 19 (9.4%) | 32.456; <0.001 1.211 (1.004–1.460) |
5. Checking that you did not make a mistake | 3 (75.0%) | 24 (11.9%) | 13.721; 0.007 22.250 (2.224–222.582) |
8. Washing and cleaning baby’s environment | 2 (50.0%) | 23 (11.4%) | 5.485; 0.043 7.783 (1.045–57.937) |
9. Bathing baby (ex. More than once a day) | 1 (25%) | 1 (0.5%) | 24.498; 0.039 67.000 (3.345–341.813) |
10. Checking the baby while she/he is asleep | 4 (100%) | 47 (23.3%) | 12.398; 0.003 1.085 (1.002–2.176) |
11. Combination of behaviors to prevent something bad from happening | 2 (50.0%) | 11 (5.4%) | 13.169; 0.021 17.364 (2.231–135.152) |
Obsessions | n (%) |
---|---|
Have you ever worried a lot or had repeated thoughts or pictures in your head about? | |
1. Being criticized and/or judged as a mother | 70 (33.3%) |
2. The nutrition for myself or my baby | 100 (47.2%) |
3. Baby being contaminated | 59 (27.8%) |
4. Somebody taking your baby away | 74 (34.9%) |
5. Dropping your baby | 105 (49.5%) |
6. Baby dying in her/his sleep | 104 (49.1%) |
7. Baby being harmed or dying in an accident | 75 (35.4%) |
8. Baby acquiring a head injury | 58 (27.4%) |
9. Someone else having inappropriate sexual contact with your baby | 36 (17.0%) |
Have any of the following thoughts or images in your head repeatedly entered your mind, without implying that you would act on them? | |
10. Shaking your baby | 21 (9.9%) |
11. Screaming at your baby | 25 (11.8%) |
12. Harming your baby during bath time | 29 (13.7%) |
13. Burn the baby | 15 (7.1%) |
14. Harming your baby while he/she is asleep | 16 (7.5%) |
15. Your baby bleeding | 16 (7.5%) |
16. Throwing your baby | 5 (2.4%) |
17. Accidentally harming your baby with a sharp object/knife | 8 (3.8%) |
18. Stabbing your baby with a sharp object/knife | 1 (.4%) |
19. Choke the baby | 7 (3.3%) |
20. Squeeze the baby | 6 (2.8%) |
21. Inappropriate sexual contact with your baby | 2 (.9%) |
22. Baby being spiritually possessed (for example, by negative force) | 8 (3.8%) |
Other thoughts | 4 (1.9%) |
Compulsions | n (%) |
---|---|
Have you ever engaged in the following behaviors | |
1. Washing or cleaning your hands | 40 (18.9%) |
2. Strong urge to count or add | 7 (3.3%) |
3. Checking the door, locks, or oven, etc. | 27 (12.7%) |
4. Lining up and/or putting things in order | 18 (8.5%) |
5. Checking that you did not make a mistake | 31 (14.6%) |
6. Excessive searching (internet, books) about pregnancy, childbirth and babies | 33 (15.6%) |
7. Asking for reassurance | 15 (7.1%) |
8. Washing and cleaning baby’s environment | 27 (12.7%) |
9. Bathing baby (more than once a day) | 3 (1.4%) |
10. Checking the baby while she/he is asleep | 55 (25.9%) |
11. Combination of behaviors to prevent something bad from happening | 14 (6.6%) |
Other behavior | 2 (.9%) |
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Pereira, A.T.; Araújo, A.; Azevedo, J.; Marques, C.C.; Soares, M.J.; Cabaços, C.; Marques, M.; Pereira, D.; Pato, M.; Macedo, A. The Postpartum Obsessive-Compulsive Scale: Psychometric, Operative and Epidemiologic Study in a Portuguese Sample. Int. J. Environ. Res. Public Health 2022, 19, 10624. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph191710624
Pereira AT, Araújo A, Azevedo J, Marques CC, Soares MJ, Cabaços C, Marques M, Pereira D, Pato M, Macedo A. The Postpartum Obsessive-Compulsive Scale: Psychometric, Operative and Epidemiologic Study in a Portuguese Sample. International Journal of Environmental Research and Public Health. 2022; 19(17):10624. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph191710624
Chicago/Turabian StylePereira, Ana Telma, Ana Araújo, Julieta Azevedo, Cristiana C. Marques, Maria João Soares, Carolina Cabaços, Mariana Marques, Daniela Pereira, Michele Pato, and António Macedo. 2022. "The Postpartum Obsessive-Compulsive Scale: Psychometric, Operative and Epidemiologic Study in a Portuguese Sample" International Journal of Environmental Research and Public Health 19, no. 17: 10624. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph191710624