Frequency of psychiatric comorbidity incidence according to certain clinical features of dermatological diseases
| Clinical Features | Psychiatric comorbidity (n=145) | No-psychiatric comorbidity (n=106) | X2 | p |
|---|---|---|---|---|
| Restrictedness in physical activity | 26 (17.9) | 7 (6.6) | 6.88 | 0.009 |
| Chronicity | 116 (80) | 89 (84) | 0.64 | 0.423 |
| Having a relapsing course | 89 (61.4) | 64 (60.4) | 0.026 | 0.872 |
| Painfulness | 10 (6.9) | 11 (10.4) | 0.96 | 0.325 |
| Itchiness | 51 (35.2) | 29 (27.4) | 1.72 | 0.189 |
| Localization in visible place | 94 (64.8) | 66 (62.3) | 0.17 | 0.676 |
| Being systemic | 21 (14.5) | 17 (16) | 0.11 | 0.734 |
Comparison of sociodemographic characteristics
| Sociodemographic characteristics | Study N (%) | Control N (%) | X2* | p | |
|---|---|---|---|---|---|
| Gender | Male | 93 (37.1) | 111 (44.2) | 2.67 | 0.102 |
| Residential place | City | 182 (72.5) | 226 (90) | 25.34 | 0.0001 |
| School success | Successful | 175 (72.9) | 200 (81) | 4.46 | 0.035 |
| Family type | Nuclear | 184 (73.3) | 214 (85.3) | 10.91 | 0.0001 |
| Psychiatric disease history in the family | Exists | 30 (12) | 23 (9.2) | 1.03 | 0.309 |
| Togetherness with both parents | Exists | 229 (91.2) | 232 (92.4) | 0.23 | 0.625 |
| X±SS | t** | p | |||
| Age (6-18 years) | 12.63±4.16 | 12.73±4.06 | 0.28 | 0.778 | |
| Number of siblings | 2.46±1.77 | 2.08±1.53 | 2.55 | 0.011 |
Comparison of psychiatric diagnosis distributions
| K-SADS-PL and DSM-IV Diagnoses | Study N (%) | Control N (%) | X2 | p | |
|---|---|---|---|---|---|
| Psychiatric Disorder | Exists | 145 (57.8) | 84 (33.5) | 29.8 | 0.0001 |
| ADHD | Exists | 57 (22.7) | 49 (19.5) | 0.76 | 0.382 |
| Disruptive behavior disorders | Exist | 9 (3.6) | 6 (2.4) | 0.61 | 0.432 |
| Mood disorders | Exist | 35 (13.9) | 13 (5.2) | 11.14 | 0.001 |
| Anxiety disorders | Exist | 37 (14.7) | 14 (5.6) | 11.54 | 0.001 |
| Psychotic disorder | Exists | 1 (0.4) | - | 1.00 | 0.317 |
| Speech disorder | Exists | 2 (0.8) | 3 (1.2) | 0.20 | 0.653 |
| Tic disorders | Exist | 4 (1.6) | 2 (0.8) | 0.67 | 0.411 |
| Adjustment disorder | Exists | 29 (11.6) | 251 (100) | 30.77 | 0.0001 |
| Elimination disorders | Exist | 13 (5.2) | 11 (4.4) | 0.17 | 0.676 |
| Somatoform disorders | Exist | 1 (0.4) | 1 (0.4) | 0.00 | 1.00 |
| Trichotillomania | Exists | 1 (0.4) | 251 (100) | 1.00 | 0.317 |
| Tobacco use | Exists | 4 (1.6) | 6 (2.4) | 0.40 | 0.523 |
| Sleep disorders | Exist | 4 (1.6) | 251 (100) | 4.03 | 0.124 |
Diagnostic distributions of dermatological diseases
| Dermatological disease | n | % |
|---|---|---|
| Inflammatory dermatoses | 55 | 21.9 |
| Eczematous and allergic dermatoses | 43 | 17.1 |
| Acneiform dermatoses | 42 | 16.7 |
| Hair and nail disorders | 36 | 14.3 |
| Chronic infectious dermatoses | 32 | 12.7 |
| Pigmentation disorders | 24 | 9.6 |
| Others (chronic cutaneous disorders) | 10 | 4.0 |
| Others (acute/transient conditions) | 6 | 2.4 |
| Genetic dermatoses | 3 | 1.2 |
| Total | 251 | 100 |
Psychiatric comorbidity frequency in dermatological disease sub-groups
| Dermatological disease sub-groups | Psychiatric comorbidity (n=145) | No-psychiatric comorbidity (n=106) | X2 | p* |
|---|---|---|---|---|
| Inflammatory dermatoses | 24 (16.6) | 31(29.2) | 5.76 | 0.016 |
| Eczematous and allergic dermatoses | 31 (21.4) | 12 (11.3) | 4.36 | 0.037 |
| Acneiform dermatoses | 25 (17.2) | 17 (16.0) | 0.06 | 0.801 |
| Hair and nail disorders | 24 (16.6) | 12 (11.3) | 1.36 | 0.243 |
| Chronic infectious dermatoses | 19 (13.1) | 13 (12.3) | 0.03 | 0.844 |
| Pigmentation disorders | 13 (9.0) | 11(10.4) | 0.14 | 0.707 |
| Others (chronic cutaneous disorders) | 7 (4.8) | 5 (4.7) | 0.63 | 0.525 |
| Others (acute/transient conditions) | 1 (0.7) | 5 (4.7) | 4.25 | 0.086 |
| Genetic dermatoses | 1 (0.7) | 2 (1.9) | 0.74 | 0.575 |
Comparison of inventory scores
| INVENTORY | STUDY | CONTROL | ||
|---|---|---|---|---|
| Median (Min-Max) | Median (Min-Max) | P* | ||
| Depression | 9 (0-39) | 6 (0-35) | 0.0001 | |
| STAI-1 | 35 (20-71) | 31(20-73) | 0.0001 | |
| STAI-2 | 45 (17-78) | 41 (25-80) | 0.0001 | |
| SDQ-P | Total difficulty score | 11 (0-28) | 9 (1-31) | 0.0001 |
| Emotional problems | 3 (0-10) | 2 (0-9) | 0.0001 | |
| Behavior problems | 2 (0-7) | 1 (0-8) | 0.001 | |
| Attention and activity problems | 4 (0-10) | 3 (0-10) | 0.002 | |
| Peer problems | 3 (0-10) | 2 (0-8) | 0.0001 | |
| Social behaviors | 8(1-10) | 9 (2-10) | 0.009 | |
| SDQ-A | Total difficulty score | 11(1-29) | 9 (0-30) | 0.0001 |
| Emotional problems | 3(0-10) | 2 (0-10) | 0.001 | |
| Behavior problems | 1(0-7) | 1 (0-8) | 0.039 | |
| Attention and activity problems | 4 (0-9) | 3.5 (0-10) | 0.007 | |
| Peer problems | 3 (0-10) | 2 (0-8) | 0.001 | |
| Social behaviors | 9 (2-10) | 9 (1-10) | 0.064 | |