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Several hypotheses have been proposed to explain the comorbidity between psychotic disorders and substance use, one of them being the capacity of some to induce psychotic symptoms, although the transition from psychotic episodes induced by substances to schizophrenia has been less studied. In this study, differential variables between patients with induced and non-induced psychosis are determined, and the evolution and change of diagnosis of those induced to schizophrenia in the follow-up is analyzed. This is an observational case-control study with 238 patients admitted to the acute care unit for psychotic episodes between December 2003 and September 2011. The group of non-substance-induced psychotic disorders (NSIPD) included 127 patients, with 111 in the substance-induced (SIPD) group, according to the International Classification of Diseases. Sociodemographic and clinical characteristics, personal and family history, substance use, diagnostic stability and progression were compared. The NSIPD group showed higher scores in severity and in negative symptoms and more family history of psychosis. The SIPD group presented more personal history of personality disorder and family history of addictions and more positive symptoms At 6 years of follow-up, 40.9% of ISDP changed to a diagnosis of schizophrenia, presenting more family history of psychotic disorders and worse progression with more visits to the emergency department and readmissions, than subjects who maintained diagnostic stability. Therefore, special attention should be paid to this group of patients because of the potential severity and the increased risk of developing a chronic psychotic disorder.

General Problematic Internet Use (GPIU) is a dysfunctional use of Internet handling and management in general. In contrast, Internet Gaming Disorder (IGD) is a specific behaviour linked to online videogames. Both problems are becoming common in adolescents, but they have hardly been studied simultaneously, and the joint relationship of the two constructs with Health-Related Quality of Life (HRQoL) is unknown. The general objective of this study is to analyse the relationship between GPIU and IGD and their association with HRQoL. The study is analytical and cross-sectional with 2,024 participants (46.4% boys, n = 939) from 16 schools of 7 Spanish regions. The mean age and standard deviation were 14.20±1.42, with a range of 11-18 years. The Spanish versions of the KIDSCREEN-10, the Revised Generalized and Problematic Internet Use Scale 2 and the Internet Gaming Disorder Scale were used. Of the total sample evaluated, 15.5% of the participants had high levels of GPIU, and 3.3% of video game players presented IGD. The dimensions of GPIU are strongly associated with those of IGD. HRQoL correlated significantly and negatively with all the dimensions of GPIU and IGD (p <.001). Participants who reported problems with GPIU or IGD, individually or conjointly, had significantly lower scores in HRQoL than those with no problems.

Situations of psychological stress, such as the current COVID-19 pandemic, could lead to an increase in the consumption of alcohol and other drugs of abuse as an inadequate coping strategy in health workers. This study aimed to investigate the intake of alcohol and drugs of abuse in hospital workers during the first wave of COVID-19. A further focus was to define the worker profile most vulnerable to this behavior through a logistic regression analysis. A cross-sectional study in a tertiary hospital in Madrid, Spain, during the first wave of COVID-19 was designed. Information was collected from a sample (n = 657) of healthcare workers (n = 536) and non-healthcare workers (n = 121). An online survey (including questions about basic health habits, working environment conditions, sociodemographic data, and the 12-item version of the General Health Questionnaire as a measure of psychological well-being) was conducted. Increased consumption of alcohol and/or drugs of abuse during the analyzed period of the pandemic was reported by 17.1% of workers. The following variables were associated with a higher probability of increased consumption of alcohol and/or drugs of abuse: male gender (p = .044), living alone or without dependents (p = .005), staff physician or resident (p = .010), having worked on the COVID frontline (p = .058), poor nutritional habits (p = .004) and self-prescription of psychotropic drugs to manage anxiety and insomnia (p = .003). A significant percentage of hospital workers increased their consumption of alcohol and drugs of abuse during the first wave of the COVID-19 pandemic. A professional risk profile can be defined for this practice.

The alcohol use perceptions young people have of those close to them can affect their expectations regarding alcohol and, thus, their own drinking. We aim to identify the predictive ability of own and significant others' perceived drinking at age 18-19 in the alcohol use patterns at 27-28. A cohort study was carried out among university students in Spain (n=1,382). Binge Drinking (BD) and Risky Consumption (RC) were measured with the Alcohol Use Disorders Identification Test at ages 18, 20, 22, 24 and 27. Multilevel logistic regression for repeated measures was used to calculate the adjusted Odds Ratios (ORs). College students perceive their family's alcohol consumption as very low or nothing, while the perception of their own alcohol use or that of their friends is higher. Perceiving higher alcohol use among their siblings and friends increases the risk of BD for both sexes and RC for women. Living away from the parental home increases the risk of RC and BD. In conclusion, the perception of their friend's alcohol use at age 18-19 is the most influential variable in BD among both sexes and in RC among men throughout 10 years of follow-up. Parental alcohol consumption does not affect college student drinking patterns when friends and siblings are considered. Living with one's family acts as a protective factor. Preventive measures focused on young people should take a contextual approach and include those closest to them.

There are no recent estimates of alcohol-attributable mortality in Spain with Spanish alcohol consumption data. The objective is to estimate it and know its evolution between 2001 and 2017 in people ≥15 years, according to sex, age, period, cause of death and type of drinker. The cause-specific approach and Levin's equation were used. Survey consumption was corrected for underestimation with respect to sales statistics, and past consumption and binge drinking were considered. The average annual number of deaths attributable to alcohol in 2010-2017 was 14,927, 58.6% of which were premature (<75 years). The age-standardized alcohol-attributable mortality rate was 39.4/100,000 inhabitants, representing 3.9% of overall mortality. Using standardized percentages, 68.7% corresponded to heavy drinkers. The most frequent causes of alcohol-attributable mortality were cancer (44.7%) and digestive diseases (33.2%).  The rate of alcohol-attributable mortality was 3.5 times higher in men than in women (with higher ratios for young people and external causes). Between 2001-2009 and 2010-2017, the average annual rate decreased 16.8% (60.7% in 15-34 years; 19.4% in men and 9.8% in women). The contribution of heavy drinkers, digestive diseases and external causes to the risk of alcohol-attributable mortality decreased slightly between the two periods, while the contribution of cancer and circulatory diseases increased. These estimates are conservative. The contribution of alcohol to overall mortality is significant in Spain, requiring collective action to reduce it.

Lifetime prevalence of cannabis use is estimated 192 million adults worldwide (2017) and has increased by 16% in the last decade. However, data on quantity and frequency of use that can lead to harm is lacking. We have developed a survey to assess patterns of cannabis use and related harms in a sample of cannabis users. This paper focuses on evaluating the feasibility of the survey and the users' satisfaction in a pilot sample. Forty cannabis users were recruited (>18 years old, living in Spain, cannabis use at least once during the last 12 months) between December 2018 and January 2019. Participants answered an online survey (mental health, organic harm and injury) and an ad hoc questionnaire to assess accessibility, feasibility, satisfaction, design and content appropriateness. Of the participants, 93.23% (n = 37.3) were satisfied with the design, 94.92% (n = 38.2) were satisfied with the content, and 94.73% (n = 37.0) were satisfied with the accessibility of the survey; only minor changes were required to improve feasibility and accessibility. Participants used a median of 1.0 Standard Joint Unit per day (Interquartile Range [IQR] 1.0-2.0). Of the sample, 92.5% reported at least one related harm and suffers a median of 4.0 disorders (IQR, 1.25-5.0). The present study allows for designing a feasible online survey to conduct a cross-sectional study with a larger sample.

Smoking-attributable mortality (SAM) is an indicator that reflects the evolution of the tobacco epidemic at the population level. The objective of this study is to identify and to describe published studies that have estimated SAM in Spain. A search in PubMed and EMBASE databases was performed, limited to studies published until April 15th, 2021. Studies that estimated SAM in Spain or its constituent regions were included. Of the 146 studies identified, 22 met eligibility criteria. The first estimate of SAM in Spain dates from 1978 and the last from 2017. Twelve of the studies found estimated SAM at national level, 8 in regions, 1 in a province and 1 in a city. Most estimates were made for adults aged over 34, categorized as smokers, ex-smokers and never smokers. Observed mortality derived, in all studies, from official records, and relative risks mostly from Cancer Prevention Study II. In the period analyzed, a decrease in the burden of SAM was observed. In Spain, different SAM estimates are available globally, but they do not have regular periodicity, and such estimates are infrequently made by region. Due to variations in methodology and data sources, it is difficult to assess changes in SAM. Having global and regional periodic estimates would be necessary to correctly monitor the tobacco epidemic in Spain.

Problematic internet use (PIU) among people with disabilities has received very little attention in scientific literature. The objective of this work is to study PIU among Spanish university students with disabilities, and determine whether it is related to the presence of psychological problems and discomfort. A total of 432 Spanish university students with disabilities from six universities participated in the study (35% motor disability, 22.7% sensory disability and 42.1% other disabilities, excluding psychical or intellectual disability). PIU in the sample was assessed using the Internet Addiction Test (IAT), while psychological problems were assessed using the Clinical Outcomes in Routine Evaluation-Outcome Measure (CORE-OM). PIU prevalence was 6.3%, and significant differences were found by age (< 22 had a PIU prevalence five times higher), onset of disability (prevalence was 3.7 times higher in those with congenital disability) and main type of internet use (recreational). There were no differences by sex, level of education or type of disability. In all the dimensions measured by CORE-OM (psychological problems, subjective well-being, life functioning and risk of self-harm and harm to others), the prevalence of psychological problems was significantly higher among problematic internet users. In conclusion, university students who are disabled from birth (regardless of their type of disability and sex), under the age of 22, and use the internet mainly for social networking and recreational purposes are at greater risk of psychological distress and are more vulnerable to problems like anxiety and difficulties with social relationships.

Gaming disorder (GD) was recently included in the 11th edition of the International Classification of Diseases. A cross-sectional study was conducted in five secondary schools, with a final sample of 119 students. A diagnosis of GD was made in 6.4% (n = 23) of this sample. Compared with healthy subjects, adolescents with GD showed low levels of conscientiousness (F = 7.82; p = .001) and agreeableness (F = 3.31; p = .041) and scored higher in school maladjustment (SMC; F = 9.23; p < .001). Two discriminating functions were obtained that allowed us to predict patient group allocation with a success rate of 60.5% (Z1 = 0.406 × Sex + 0.560 × Conscientiousness - 0.677 × SMC; Z2 = 0.915 × Sex + 0.191 × Conscientiousness + 0.326 × SMC). Subjects with addiction differed from healthy subjects in presenting school maladjustment and low consciousness, while both groups of subjects with addiction differed in that video game addiction was proportionally higher in boys. The probability of GD was higher if subjects were male (OR [95% CI]) = 4.82 [1.17-19.81]; p = .029) and had school maladjustment (OR [95% CI] = 1.08 [1-1.17]; p = .047); while that of substance use disorder was higher if the subjects had neuroticism (OR [95% CI] = 1.07 [1-1.14]; p < .040), clinical maladjustment (OR [95% CI] = 1.10 [1.01- 1.20]; p = .020), school maladjustment (OR [95% CI] = 1.06 [1-1.13]; p = .048), low personal adjustment (OR [95% CI] = 0.94 [0.88-0.99]; p = .047) and emotional symptoms (OR [95% CI] = 0.86 [0.78-0.96]; p = .006).