Page 81 - JCBP-2-1

Journal of Clinical and
Basic Psychosomatics Screening for SSD-B criteria in China

and WI-8, respectively, and these differences were also The results from the previous multicenter study revealed
statistically significant (P < 0.01) (Table 4). that patients in the high-score group spent 4.5±4.8 h per
day (h/day) on their symptoms, significantly surpassing
3.3. Time spent on somatic symptoms the 0.9 ± 1.9 h/day observed in the low-score group

To explore the predictive potential of patients’ duration (P < 0.01) (Table 5). Similarly, in the comparative study,
spent worrying about physical symptoms regarding the patients in the high-score group spent 5.3±4.2 h/day on
SSD–B criteria, we incorporated the question, “How their symptoms, significantly exceeding the 2.3±3.7 h/day
many hours do you spend worrying or paying attention to recorded for the low-score group (p<0.01) (Table 5).
physical symptoms every day?”.
3.4. Correlation and regression
Table 2. Comparison of general demographic factors in the In the previous multicenter study, the Pearson correlation
comparative study analysis revealed strong positive correlations between
symptom-related cognitive behavior and health-related
Variables High‑score Low‑score χ² or t P anxiety (r = 0.823, P < 0.01), as well as the duration of
group group
(n=50) (n=50) worrying about physical discomfort per day (r = 0.570,
Age (x ̄ ±s years; range 44.7 (14.85) 46.02 (14.38) −0.452 0.653 P < 0.01). Conversely, a weak positive correlation was
18–99) observed with the number and severity of physical
Sex (n [%] female) 32 (62.1) 31 (60.9) 0.043 1.000 symptoms (r = 0.541, P < 0.01) (Table 6). Moreover,
employing the total score of SSD-12 as the dependent
Marital status (n [%] 40 (80.0) 42 (84.0) 0.271 0.795 variable, the correlation analysis incorporated statistically
married) significant general demographic data and scale scores as
Having an insurance 37 (74.0) 42 (84.0) 1.507 0.326 independent variables in a multiple regression equation.
plan (n [%]) The results demonstrated that the number and severity of
Race (n [%] Han ethnicity) - - - - somatic symptoms, time spent worrying about physical
Residence (n [%] 43 (86.0) 47 (94.0) 1.778 0.318 discomfort per day, and health-related anxiety significantly
residing in the city)
Notes: High-score group: SSD-12≥16; Low-score group: SSD-12<16; Table 5. Comparison of time spent on somatic symptoms
“-” represents no relevant data.
Study High‑score Low‑score χ² or t P
Table 3. Comparison of psychological and physiological group group
scale scores in the previous multicenter study (N=272, n=50) (N=427, n=50)
Previous 4.5±4.8 0.9±1.9 13.943 <0.01
Variables High‑score Low‑score χ² or t P (time [h/d])
group (n=272) group (n=427)
Comparative 5.3±4.2 2.3±3.7 3.777 <0.01
PHQ-15 12.4±5.5 7.4±4.4 13.491 <0.01 (time [h/d])
SSD-12 27.2±8.0 5.6±4.8 44.853 <0.01 Notes: High-score group: SSD-12≥16; Low-score group: SSD-12<16;
WI-8 25.5±7.6 13.6±4.8 25.496 <0.01 h/d: hours per day; N: Number of patients in the previous multicenter
study; n: Number of patients in the current comparative study.
Notes: High-score group: SSD-12≥16: Low-score group: SSD-12<16;
PHQ-15: Patient Health Questionnaire-15; SSD-12: Somatic Symptom
Disorder–B Criteria Scale; WI-8: Whiteley Index-8; all the scores are Table 6. Correlation analysis between SSD–B criteria and
expressed in x ̄ ±s. other factors in the previous multicenter study

Table 4. Comparison of psychological and physiological Variables SSD‑12 PHQ‑15 WI‑8 Time (h/d)
scale scores in the comparative study SSD-12 1 0.519 0.823 0.570
PHQ-15 - 1 0.552 0.246
Variables High‑score Low‑score χ² or t P
group (n=50) group (n=50) WI-8 - - 1 0.518
PHQ-15 14.3±6.3 8.2±4.5 5.618 <0.01 Time (h/d) - - - 1
SSD-12 27.7±8.9 7.6±4.7 14.067 <0.01 Notes: Somatic Symptom Disorder–B Criteria Scale (SSD-12) is used
to quantify symptom-related psychological behaviors; Patient Health
WI-8 17.6±6.6 6.4±4.5 9.892 <0.01 Questionnaire-15 (PHQ-15) is used to quantify the number of physical
Notes: High-score group: SSD-12≥16; Low-score group: SSD-12<16; symptoms and the degree of distress; Whiteley Index-8 (WI-8) is used
PHQ-15: Patient Health Questionnaire-15; SSD-12: Somatic Symptom to quantify disease beliefs and health-related concerns; Time refers to
Disorder–B Criteria Scale; WI-8: Whiteley Index-8; all the scores are the amount of time patient spent on physical symptoms per day
expressed in x ̄ ±s. (h/d: hours per day); “-” represents no relevant data.

Volume 2 Issue 1 (2024) 5 https://doi.org/10.36922/jcbp.1813