To thine own self, be true: Examining change in self-reported alcohol measures over time as related to socially desirable responding bias among people with unhealthy alcohol use

Psychometric assessment of the Runyankole-translated Marlowe-Crowne Social Desirability Scale among persons with HIV in Uganda

BACKGROUND

Social desirability can negatively affect the validity of self-reported measures, including underreporting of stigmatized behaviors like alcohol consumption. The Marlowe-Crowne Social Desirability Scale (SDS) is widely implemented and comprised of Denial and Attribution Domains (i.e., tendencies to deny undesirable traits or attribute socially desirable traits to oneself, respectively). Yet, limited psychometric research has been conducted in sub-Saharan Africa, where the prevalence of unhealthy alcohol consumption is high as well as religiosity and hierarchical social norms. To address this gap, we (a) conducted an exploratory study assessing certain psychometric properties of the 28-item SDS (Runyankole-translated) among persons with HIV (PWH) in Uganda, and (b) examined the relationship between social desirability and self-reported alcohol use.

METHODS

We pooled baseline data (N = 1153) from three studies of PWH engaged in alcohol use from 2017 to 2021. We assessed the translated scale's construct validity (via confirmatory factor analysis), internal consistency, item performance, differential item functioning by gender, concurrent validity with the DUREL religiosity index domains, and the association between social desirability and self-reported alcohol use.

RESULTS

Participants had a mean age of 40.42 years, 63% were men, and 91% had an undetectable HIV viral load. The 28-item SDS had satisfactory construct validity (Model fit indices: RMSEA = 0.07, CFI = 0.84, TLI = 0.82) and internal consistency (Denial Domain ΩTotal = 0.82, Attribution Domain ΩTotal = 0.69). We excluded Item 14 ("I never hesitate to help someone in trouble") from the Attribution Domain, which mitigated differential measurement error by gender and slightly improved the construct validity (Model fit indices: RMSEA = 0.06, CFI = 0.86, TLI = 0.85) and reliability (Attribution Domain ΩTotal = 0.72) of the 27-item modified SDS. Using the 27-item SDS, we found that social desirability was weakly correlated with religiosity and inversely associated with self-reported alcohol use after adjusting for biomarker-measured alcohol use and other confounders (β = -0.05, 95% confidence interval: -0.09 to -0.01, p-value = 0.03).

CONCLUSIONS

We detected and mitigated measurement error in the 28-item Runyankole-translated SDS, and found that the modified 27-item scale had satisfactory construct validity and internal consistency in our sample. Future studies should continue to evaluate the psychometric properties of the Runyankole-translated SDS, including retranslating Item 14 and reevaluating its performance.

Can counter-advertising dilute marketing effects of alcohol sponsorship of elite sport: A field experiment

AIMS

To test whether showing spectators counter-advertisements exposing alcohol harms alone, or exposing alcohol harms and alcohol sponsorship, before watching an alcohol-sponsored sporting event promotes less favourable post-event attitudes and intentions towards alcohol sponsor brands and alcohol in general.

DESIGN

On-line between-subjects experiment.

SETTING

Australia.

PARTICIPANTS

A sample of Australian adults aged 18-49 years who planned to watch an alcohol-sponsored National Rugby League (NRL) State of Origin series game was recruited through an online panel.

INTERVENTIONS

Participants were randomly assigned to one of three counter-advertising conditions: control (neutral advertisement); counter-advertisement exposing alcohol harms; and counter-advertisement exposing alcohol sponsorship and harms, to view at least four times during the week before watching the alcohol-sponsored sporting event.

MEASUREMENTS

Participants (n = 1932) completed a pre-test questionnaire a week before the sporting event. Within 4 days of watching the sporting event, participants completed post-test measures assessing sponsor brand awareness, attitudes and preferences towards the brand, as well as knowledge, attitudes and intentions for alcohol in general (n = 1075).

FINDINGS

Compared with the control advertisement, the counter-advertisement exposing alcohol sponsorship and harms promoted higher (6-13%) awareness of sponsor brands, less favourable attitudes towards sponsor brands and drinking beer, lower purchase intentions for sponsor brands (Cohen's d = 0.15, 0.31, 0.27, respectively) and perceived less image-based similarity and fit between the sporting event and sponsor brands (Cohen's d = 0.20 and 0.56). Both counter-advertisements promoted lower perceptions of the appropriateness of consuming alcohol while watching sport (Cohen's d = 0.22 and 0.34), higher awareness of alcohol harms (6-34%) and higher intentions (8-13%) to reduce alcohol consumption than the control advertisement.

CONCLUSIONS

At alcohol-sponsored sporting events, counter-advertisements addressing alcohol harms may promote knowledge of harms and intentions to drink less. Counter-advertisements that additionally expose and critique alcohol sponsorship may detract from perceptions of sponsor brand image and intentions to purchase the sponsor's products.

Concordance Between Point-of-Care Urine Ethyl Glucuronide Alcohol Tests and Self-Reported Alcohol Use in Persons with HIV in Uganda

Screening and assessing alcohol use accurately to maximize positive treatment outcomes remain problematic in regions with high rates of alcohol use and HIV and TB infections. In this study, we examined the concordance between self-reported measures of alcohol use and point-of-care (POC) urine ethyl glucuronide (uEtG) test results among persons with HIV (PWH) in Uganda who reported drinking in the prior 3 months. For analyses, we used the screening data of a trial designed to examine the use of incentives to reduce alcohol consumption and increase medication adherence to examine the concordance between POC uEtG (300 ng/mL cutoff) and six measures of self-reported alcohol use. Of the 2136 participants who completed the alcohol screening, 1080 (50.6%) tested positive in the POC uEtG test, and 1756 (82.2%) self-reported using alcohol during the prior 72 h. Seventy-two percent of those who reported drinking during the prior 24 h had a uEtG positive test, with lower proportions testing uEtG positive when drinking occurred 24-48 h (64.7%) or 48-72 h (28.6%) prior to sample collection. In multivariate models, recency of drinking, number of drinks at last alcohol use, and Alcohol Use Disorders Identification Test - Consumption (AUDIT-C) score were associated with uEtG positivity. The highest area under the curve (AUC) for a uEtG positive test was for recency of drinking. Overall, we concluded that several measures of drinking were associated with POC uEtG positivity, with recency of drinking, particularly drinking within the past 24 h, being the strongest predictor of uEtG positivity.

Examining Change in Self-Reported Gambling Measures Over Time as Related to Socially Desirable Responding Bias

Socially desirable responding is a response bias that can affect the accuracy of self-reports. It is especially likely when questions address sensitive topics, such as gambling attitudes, problems and behaviours. A sample of 321 participants were recruited from Amazon's mTurk crowdsourcing platform for a randomized controlled trial investigating an online gambling intervention. Data from this study was used to examine the influence of socially desirable responding on gambling self-report measures over time. At baseline, self-deception (SD), a factor of socially desirable responding, was significantly higher among males than females and among those with household incomes greater than $20,000 per year. Controlling for demographic variability, mixed effects models examining the relationship between socially desirable responding factors [SD and impression management (IM)] and time were conducted. Among males, there were significant interactions between IM with the NORC DSM-IV screen for gambling problems (NODS) and the gambling symptom assessment scale (G-SAS) scores respectively, over time. In other words, males with higher IM scores, demonstrated less change in NODS and G-SAS scores from baseline to 6-month follow-up compared to males with lower IM scores. There were no significant interactions in any models among females or among the full sample. Controlling the well-documented effect of socially desirable responding on self-reported measures in addictions research should be considered as a method to help reduce error and improve validity. Future research should continue to examine the effect of this bias on gambling measures over time and in each gender.Trial registration: https://ClinicalTrials.gov/NCT03124589 , registered 19 January 2017.