The objective of the present project is to study the effect of a smartphone-based serious game intervention for depressive symptoms. The serious game is based on Cognitive Behavior Therapy CBT, being behavioural activation and the promotion of physical activity one of the most important components.
Due to the current COVID-19 pandemic and the effects of quarantine on people's daily lives, a dramatic increase in people suffering from symptoms of depression is expected; one of the most common mental disorders globally, the primary cause of suicide deaths in Europe and the major contributor to the overall global burden of disease. Although there are effective treatments for depression, more than half of those affected worldwide (and more than 90% in many countries) do not receive these treatments. The dominant model of treatment delivery (individual face-to-face therapy) will not be enough to reach the majority of people who need treatment. Hence, one of the most important challenges within this scope is the design of new forms of treatment delivery to maximize the efficacy and dissemination of psychological treatment. The use of the Information and Communication Technologies (ICTs) has allowed a new effective ways of treatment, endorsed by several studies; and the use of serious video games as a partial or complete form of treatment, whose own characteristics make them potentially effective for the treatment of mental health, has opened the possibility of a still very new field of study. The arrival of smartphones has increased the possibilities of designing online therapies for mental health and facilitated the use of games as therapy. Therefore, the objective of the present project is to study the effect of a smartphone-based serious game intervention for depressive symptoms through a two armed pilot randomized control trial. A minimum of 40 participants diagnosed with mild to moderate depression symptoms will be randomly assigned to one of the two experimental conditions: a smartphone-based serious game condition, and a waiting list control condition. The researchers' hypothesis is that the smartphone-based serious game intervention will produce a significant improvement in depressive, anxious symptomatology and improved well-being after treatment compared to the waiting list control group.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
40
Smartphone-based serious game intervention consists in the use of a serious game designed specifically to improve depressive symptoms. The psychological content consists of CBT intervention with the following psychotherapeutic components: Motivation for change, Psychoeducation, Cognitive Flexibility, Behavioural Activation, and positive psychotherapeutic strategies. To encourage physical activity, the serious game incorporates a mixed reality through physical activities such as taking a walk in real life affects aspects inside the game.
University Jaume I
Castellon, Castelló, Spain
Patient Health Questionnaire-9 (PHQ-9)
The PHQ-9 is the depression module of the self-administered version of the PRIME-MD diagnostic instrument for common mental disorders. The PHQ-9 consists of 9 items ranging from "0" (not at all) to "3" (nearly every day). It has a dual-purpose instrument since it can establish both depressive disorder diagnoses and grade depressive symptom severity. Scores can range from zero to 27. Scores of 15 or greater indicated major depression.
Time frame: Up to 12 months
Beck Depression Inventory (BDI-II)
The BDI-II is widely used to detect and assess the severity of depressive symptoms. The BDI-II consists of 21 multiple-choice items ranging from 0 to 3. It covers the different symptoms of major depression disorder in the DSM-IV. Scores can range from zero to 63. Scores greater than 29 mean major depression. The BDI-II has high internal consistency (alpha = 0.76 to 0.95) and for the Spanish version (alpha = 0.89) (Sanz, 2003)
Time frame: Up to 12 months
Positive and negative emotionality Positive and Negative Affect Scale (PANAS)
The PANAS is used to measure trait and state affectivity. The PANAS consists of 20 items divided in two independent 10-item dimensions to assess positive affect (PA) and negative affect (NA). Each item rated on a 5-point Likert-type scale. Low levels of PA predict the onset depreesion, reduce positive emotions, and increase the severity of depressive symptoms.Patients with more comorbid diagnoses had significantly higher NA and lower PA. It is brief, reliable, and has shown excellent internal consistency (alpha = 0.84 to 0.90) and convergent and divergent validity. The Spanish version has also shown high internal consistency (alpha = 0.87 and 0.89 for PA and NA in men, respectively, and alpha = 0.89 and 0.91 for PA and NA in women, respectively (Díaz-García, 2020).
Time frame: Up to 12 months
Overall Anxiety Severity and Impairment Scale (OASIS)
The OASIS is used to assess the severity and frequency of anxiety symptoms. Moreover, the scale provides information about behavioral avoidance and functional impairments in pleasurable activities, work, school or social relationship interference related to these symptoms in the last week. The OASIS consists of a 5-item self-report measure rated from 0 to 4 and are summed to obtain one total score. OASIS score of 8 or above would be indicative of a probable anxiety disorder. It has demonstrated strong psychometric properties with good internal consistency (alpha = 0.86), as well as test-retest reliability (K = 0.82) and convergent validity (Norman, 2006; Campbell-Sill, 2009; Norman, 2011).
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Time frame: Up to 12 months
Overall Depression Severity and Impairment Scale (ODSIS)
The ODSIS is used to assess the severity and frequency of depressive symptomatology and functional deficits in pleasurable activities due to the depressive symptomatology. The ODSIS consists of a 5-item self-report measure rated from 0 to 4 with higher scores indicating greater depression-related severity and impairment. It has excellent internal consistency (alpha = 0.92) and it shows good convergent/discriminant validity (Bentley, 2014) Spanish version will be used (Mira, 2019
Time frame: Up to 12 months
System Usability Scale (SUS)
he SUS is used to measure the usability of a software collecting the user's opinion. The SUS consists of a questionnaire of 10 items with 5 answer options rated from "o" (strongly disagree) to "4" (strongly agree)is a brief, reliable scale for measuring the usability of a program. It consists of a 10-item questionnaire with 5 response options, from 0 ("strongly disagree") to 4 ("strongly agree"). It could indicate that the user has had technical difficulties with the program. The Spanish version has been used in several research studies (Botella, 2016; Campos, 2018) and its validation process is currently ongoing.
Time frame: Up to 12 months
Expectation of treatment scale and opinion of treatment scale (CEQ)
(Devilly \& Borkovec, 2000). The CEQ is a quick and easy-to-administer scale used to measure treatment expectations before the intervention and the satisfactions after the receiving intervention. Both instruments consist of 6 items rated from "0" (not at all) to 10 ("very much"). The Spanish version has been used in previous studies (Botella 2016; Mira, 2019; Tortella-Feliu, 2011)
Time frame: Up to 12 months