Body Dysmorphia Test | Deenz Body Dysmorphic Scale (DBDS-20)
Research Dataset
Deenz Body Dysmorphic Scale (DBDS)
Normative and Psychometric Statistics
STRONG
N=428
α=0.907
26Countries
Abstract
Deenz Body Dysmorphic Scale (DBDS)
normative dataset currently contains
428
participant records collected between
Jun 11, 2026
and
Jul 27, 2026
.
This psychometric dataset currently includes 428 anonymous participant responses collected through voluntary participation. The observed mean score was 59.31 with a standard deviation of 16, indicating moderate score variability within the sampled population. Internal consistency reliability analysis demonstrated excellent reliability (Cronbach alpha = 0.907). Observed skewness (-0.51) and kurtosis (0.28) were examined as indicators of distribution quality. The score distribution appeared reasonably balanced and did not suggest substantial departures from normality.
428
Participants
26
Countries
20
Scale Items
0.907
Reliability
Table 1
Dataset Overview
Assessment
Deenz Body Dysmorphic Scale (DBDS)
Research Status
Established Dataset
Dataset Maturity
80
/100 —
STRONG
Participants
428
Countries Represented
26
Items
20
Dimensions
5
Data Collection Period
Jun 11, 2026
–
Jul 27, 2026
Reliability
α =
0.907
Note.
The current Deenz Body Dysmorphic Scale (DBDS) dataset contains 428 participant records collected from 26 countries. Dataset maturity reflects sample size, geographic diversity, and internal consistency reliability.
Table 2
Descriptive Statistics
Statistic
Value
Mean Score
59.31%
Median Score
60
Standard Deviation
16
Variance
255.9
Standard Error
0.77
95% CI Lower
57.8
95% CI Upper
60.83
Minimum Score
6%
Maximum Score
95%
Observed Range
89
Note.
M = 59.31, SD = 16, Median = 60. The 95% confidence interval ranged from 57.8 to 60.83.
Table 3
Sample Characteristics
Variable
Summary
Participants
N =
428
Countries
26
Age Information
Available
Gender Information
Available
Note.
Demographic information was collected voluntarily. Participant counts may vary across demographic categories when information was not reported.
Age Distribution
Age Group
Participants
under18
87
18-24
52
25-34
39
35-44
31
prefer_not
14
45-54
10
55plus
3
Gender Distribution
Gender
Participants
Female
182
Male
44
Prefer_not
10
Figure 1
Global Participation
Note.
Participants were represented across 26 countries. The largest contribution originated from DE (58.2% of available geographic records).
Country
Participants
Percent
DE
249
58.2%
US
51
11.9%
FR
29
6.8%
AT
22
5.1%
BR
16
3.7%
CH
7
1.6%
ES
6
1.4%
IN
6
1.4%
PE
5
1.2%
NL
5
1.2%
UA
5
1.2%
SE
5
1.2%
KG
2
0.5%
T1
2
0.5%
FI
2
0.5%
GB
2
0.5%
LU
2
0.5%
LT
2
0.5%
BY
2
0.5%
PL
2
0.5%
CA
1
0.2%
IT
1
0.2%
CL
1
0.2%
MQ
1
0.2%
BE
1
0.2%
LV
1
0.2%
Table 4
Percentile Norms
Percentile
Score
Interpretation
10th
40%
Very Low
25th
50%
Below Average
50th
60%
Average
75th
71%
Above Average
90th
79%
Elevated
Note.
Percentile values provide preliminary normative benchmarks derived from the current Deenz Body Dysmorphic Scale (DBDS) sample.
Figure 2
Score Distribution
Note.
Observed scores ranged from 6% to 95% (M = 59.31, SD = 16). Distribution characteristics included skewness (-0.51) and kurtosis (0.28).
Distribution indices suggested no substantial departures from normality.
Table 5
Reliability Analysis
Metric
Value
Cronbach Alpha
0.907
Reliability Classification
Excellent
Participants
428
Items
20
Standard Error
0.77
Note.
Internal consistency was estimated using Cronbach alpha. Reliability estimates are based on the current normative dataset and may change as additional responses are collected.
Item–Total Correlations
Item Analysis Interpretation
Item–total correlations were generally strong across the assessment, indicating that most items contribute effectively to the measurement of the underlying construct.
The analysis identified1
itemthat may benefit from future review.
Items Recommended for Future Review
Q20
(r = 0.01)
I struggle to express myself emotionally in relationships due to my appearance concerns.
The lowest item–total correlation was observed for Q20 ("I struggle to express myself emotionally in relationships due to my appearance concerns."; r = 0.01), indicating comparatively weaker alignment with the overall construct.
Table 7
Dimension Norms
Dimension
Mean
SD
N
Appearance Obsession
80.14%
18.22
428
Negative Self-Image
70.77%
22.01
428
Repetitive Behaviors
68.57%
21.69
428
Social Avoidance
47.49%
22.3
428
Functional Impairment
31.22%
19.37
428
Note.
Dimension statistics summarize normative performance across the major constructs measured by Deenz Body Dysmorphic Scale (DBDS).
Figure 5
Dimension Profile
Note.
The highest observed dimension was Appearance Obsession (80.1%), whereas the lowest observed dimension was Functional Impairment (31.2%). The observed difference between dimensions was 48.9 percentage points. Substantial variation was observed between dimensions.
Table 8
Dataset Growth Summary
Metric
Value
Current Participants
428
Countries
26
Collection Start
Jun 11, 2026
Collection End
Jul 27, 2026
Months Recorded
2
Note.
Growth statistics summarize cumulative participation throughout the observed data collection period.
Normative Data Notice
A total of
428
participant responses were available for this assessment.
Dimension-level norms were calculated using
428
valid response records.
Approximately
0
response record(s) were excluded from dimension-level normative calculations due to incomplete response patterns.
Limitations
Normative statistics are derived from voluntary participation and may not represent all populations. Reliability estimates, percentile norms, and dimension statistics should be interpreted in the context of the current sample and may change as additional responses are collected.
Ethical Statement
All records included in this dataset were collected anonymously. No personally identifying information is stored. Data are intended for educational, psychometric, and research purposes.
Recommended Citation
Deenz Body Dysmorphic Scale (DBDS). Research Dataset. Retrieved from https://drdeenz.com/do-i-have-bdd-test/statistics/