The development of a bridging social capital questionnaire for use in population health research

AbstractBridging social capital is defined as the connections between individuals who are dissimilar with respect to socioeconomic and other characteristics. There is an important gap in the literature related to its measurement. We describe the development and validation of a questionnaire to measure bridging social capital. We focused the development of the questionnaire to be suitable for use in Latino immigrant populations in the U.S. The structure of the questionnaire comprised the following: Socialization in the job place (5 items); Membership in community activities (16 items); Participation in community activities (5 items); Contact with similar/different people (7 items); Assistance (17 items); Trust of institutions, corporations and other people(14 items); and Trust of intimate people (3 items). First, we used focus groups (N=17 participants) to establish content validity with an inductive thematic analysis to identify themes and subthemes. Changes were made to the questionnaire based on difficulty, redundancy, length and semantic equivalence. Second, we analyzed the questionnaire's psychometric properties (N=138). We tested internal consistency with Cronbach alpha and construct validity with a Confirmatory Factor Analysis (CFA) for each sub-scale to test theoretical unity; discriminant validity to observe differences between participants from high and low SES backgrounds and different language; and content validity with an independent expert panel. Cronbach alphas ranged from 0.80 (Assistance) to 0.92 (Trust). CFA results indicated that CFI and TLI were higher than 0.90 in almost all the scales, with high factor loadings. The Wilcoxon tests indicated that there were statistically significant mean differences between SES and language groups (p<0.00). The independent expert panel determined that the questionnaire had good content validity. This is the first demonstration of a psychometrically validated questionnaire to measure bridging social capital in an immigrant population in the United States. Our questionnaire may be suitable for further refinement and adaptation to other immigrant groups in different countries

Migrant health in Italy: a better health status difficult to maintain-country of origin and assimilation effects studied from the Italian risk factor surveillance data

Many studies on migrant health have focused on aspects of morbidity and mortality, but very few approach the relevant issues of migrants' health considering behavioral risk factors. Previous studies have often been limited methodologically because of sample size or lack of information on migrant country of origin. Information about risk factors is fundamental to direct any intervention, particularly with regard to non-communicable diseases that are leading causes of death and disease. Thus, the main focus of our analysis is the influence of country of origin and the assimilation process

Rasch model of the bridging social capital questionnaire

Bridging social capital is defined as the connections between individuals who are dissimilar with respect to socioeconomic status and other characteristics. We previously identified an important gap in the literature related to its measurement. We developed and validated a scale to measure bridging social capital to be used in Latinx immigrant populations living in the U.S using Classical Test Theory. The structure of the questionnaire comprised the following sub-scales: Socializing in the work place (5 items); Participation in community activities (16 items); Socializing in community activities (5 items); Contact with similar/different people (7 items); Assistance (17 items); Trust of institutions, corporations and other people (14 items); and Trust of intimate people (3 items). Although basic psychometric validation was performed on our original instrument (e.g., content and construct validity, internal consistency reliability), modern testing theory recommends a more comprehensive set of evaluations, including assessment of data quality, scaling assumptions, targeting, reliability, validity and responsiveness. Rasch measurement theory (RMT) is one of the Modern Test Theory methods that assesses the extent to which rigorous measurement is achieved. In the present work, our objective was to further evaluate the instrument using CTT and to use modern psychometric techniques to further validate the questionnaire and create version 2 (v2) using a new sample (N = 224). We developed a Rasch model of the questionnaire to evaluate item fit statistics, item category thresholds, person separation index (PSI), local dependency, differential item functioning (DIF), unidimensionality and targeting and item locations. Assistance was the most problematic sub-scale of all, as item-to-total correlations ranged from 0.27 to 0.66. There were no disordered thresholds on any item, either examined as part of the overall score or as part of sub-scales. However, the analysis provided evidence of the need to modify some of the sub-scales as there was lack of support for unidimensionality or fit to the Rasch model. The Bridging Social Capital Questionnaire v2 has 61 items (compared to 67 in version 1). Our questionnaire may be suitable for adaptation to other immigrant groups in different countries

Perceived social capital and binge drinking in older adults: The Health and Retirement Study, US data from 2006-2014

Objective: Social capital has been described as having both positive influences as well as negative influences ("the dark side") on health behaviors. We sought to test the association of perceived social capital on the risk of binge drinking among older adults, using a longitudinal design. Methods: We used HRS (Health and Retirement Study) data, a nationally representative sample of US adults aged >= 50 years evaluated every two years (from 2006 to 2014). We investigated the relationship between perceived social capital (neighborhood social cohesion and neighborhood physical disorder, positive social support and negative social support) and binge drinking over time, with a multilevel structural equation modelling (MSEM) approach, modelling number of binge-drinking days as hurdle negative binomial. We used MSEM estimating the associations at person level (overall) and within waves. Results: The sample included 19,140 individuals. At baseline mean age was 66.8 (SD 10.3). Over time, the number of binge drinking days decreased. Negative social support increased the average number of binge drinking days among those who drink, where one unit increase was associated with an increase of 37 % in the expected number of days binge drinking in the same wave. The association of positive social support on the number of binge drinking days was stronger for females (-0.59 (SE = 0.12)), while neighborhood social cohesion was significantly associated with binge drinking in females (-0.05 (SE = 0.01)), but not in males. Conclusions: Negative social support favored binge drinking. Positive social support and neighborhood social cohesion are protective factors for binge drinking, especially for women

The impact of tourism on municipal solid waste generation: The case of Menorca Island (Spain)

Tourism can sustain high levels of employment and income, but the sector is a source of environmental and health impacts. One of the most important is the generation of municipal solid waste (MSW). However, there is a lack of studies which quantify how much the tourist population engages in total MSW and separately collected recyclables. The aim of this paper is to estimate the impact of the tourist population on MSW, both total and separately collected, for the period 1998-2010, for the Mediterranean island of Menorca (Spain). We use dynamic regressions models, including data for monthly stocks of tourists. The results show that, on average, a 1% increase in the tourist population in Menorca causes an overall MSW increase of 0.282% and one more tourist in Menorca generates 1.31kgday-1 (while one more resident generates 1.48kgday-1). This result could be useful to better estimate the seasonal population of different regions, since intrannual fluctuation of MSW is used as a proxy measure of actual population (the sum of residents and tourists). Moreover, an increase of 1% in the tourist population causes an increase of 0.232% in separately collected recyclables and an additional tourist generates 0.160kgday-1. One resident selectively collects on average 47.3% more than one tourist. These results can help in the planning of waste infrastructure and waste collection services in tourist areas. © 2013 Elsevier Ltd

The adaptation into Spanish of the Coddington Life Events Scales (CLES).

AIMS: To obtain a conceptually and psychometrically equivalent Spanish version of the Coddington Life Events Scales (CLES) for children and adolescents and to test their psychometric properties. METHODS: Forward and backward translations were performed. Comprehension, acceptability, and alternative translations were tested in focus groups and semi-structured interviews. An expert panel and the copyright holders of the original version were actively involved. Test-retest reliability [Intraclass Correlation Coefficient (ICC)] was assessed by administering the questionnaire on two occasions 3 months apart to children aged 12-14 years (n = 30). Construct validity was assessed by comparing children's responses with those of their parents (n = 19). The methods replicated those of the validation of the original version. RESULTS: Of the 53 CLES items translated, ten were found to be difficult to understand. Following back-translation, seven items were modified and a final version was obtained. Test-retest ICC reliability for total scores was 0.63. The ICC between children and parents was 0.42. Both results were very similar to those reported for the original version. CONCLUSIONS: These preliminary findings suggest that the Spanish version of the CLES is understandable and acceptable and that it is similar to the original in terms of validity and reliability. Although further validation is needed, it is recommended for use in research settings in Spain

Predictors of the use of healthcare services in children and adolescents in Spain

Objective: To assess medium to long term predictors of healthcare services use in a population-based sample of children/adolescents in Spain. Methods: A sample of children and adolescents aged 8-18 and their parents were evaluated at baseline (2003) and follow-up (2006). Total use of healthcare services and visits to specialist and dentists at the follow-up were analyzed. Results: Four hundred fifty-four children/adolescents completed baseline and follow-up assessments (response rate 54 %). 90 % of respondents reported at least one visit during the 12 months previous to the follow-up. Low socioeconomic status (beta coefficient = 0.30; 95 % CI = 0.02-0.57), double healthcare coverage (0.41; 0.17-0.66), parental use of services, poor mental health and activity limitation were associated to the total number of visits. Access to specialist was associated to double healthcare coverage (OR = 1.77; 1.01-3.07) and parental primary level of education (OR = 0.51; 0.32-0.81). Age and low family affluence predicted visits to dentists (OR = 0.38; 0.19-0.73). Conclusion: No barriers to healthcare services use were found. Family level of education, family affluence and double healthcare coverage predicted the use of specialists and dentists. © 2012 Swiss School of Public Health