The difference between hypertension determined by self-report versus examination in the adult population of the USA: Continuous NHANES 1999-2016

Validity of self-reported hypertension and related factors in the adult population: Preliminary results from the cohort in the west of Iran

This study aimed to investigate the validity of self-reported hypertension and related factors in the Dehgolan Prospective Cohort Study (DehPCS). Data were obtained from 3996 participants aged 35-70 years in the enrolment phase of DehPCS. Self-reported hypertension and sociodemographic factors were collected by well-trained interviewers before hypertension diagnosis based on the reference criteria. The history of anti-hypertensive medication use and/or systolic blood pressure ≥140 (mmHg), or diastolic blood pressure ≥90 (mmHg) were considered as hypertension. Disagreement between self-reported and reference measures was assessed using sensitivity, specificity, positive, and negative predictive values (PPV and NPV), and kappa values. Binary and multinomial logistic regressions were used to investigate the correlates of validity of self-reported hypertension. The hypertension prevalence based on self-reports and the reference criteria was 19.49% and 21.60%, respectively. An acceptable percentage of kappa agreement value of 68.7% and relatively good overall agreement of 89.8% were found. Self-reported hypertension was guaranteed moderate sensitivity of 72.0% and high specificity of 94.5%, as well as the NPV and PPV of 92/7% and 77/9%, respectively. The chances of false-positive and false-negative reporting increased with older age, higher BMI, and a family history of hypertension. Being female, older age, higher BMI, concurrent diabetes, and stronger family ties to hypertension patients significantly increased the chance of reporting true positives relative to true negatives. Although, self-reported hypertension has an acceptable validity and can be used as a valid tool for screening epidemiological studies, it needs to be investigated because its validity is affected by age, gender, family history of hypertension, and other socio-demographic characteristics.

Cognitive Disability Among Arab Americans by Nativity Status and Arrival Year: Lack of Evidence for the Healthy Migrant Effect

Limited research exists on cognitive disabilities among Arab Americans, especially as it relates to arrival year among the foreign-born. The objectives of this study were to estimate the age- and sex-adjusted prevalence and associations of cognitive disability by (1) nativity status and (2) arrival year (pre-1991, 1991-2000, 2001-2013, and 2014-2018). We analyzed 11 years (2008-2018) of data from the American Community Survey (ACS) Public Use Microdata Samples (weighted n = 264,086; ages ≥ 45 years). Weighted means, percentages, age- and sex-adjusted prevalence estimates, and logistic regression results (crude and adjusted) were calculated. Among all Arab Americans, the age- and sex-adjusted prevalence of cognitive disability was 6.5%. The prevalence was lower for US-born (4.0%) compared to foreign-born (6.0%) (p-value < 0.0001). In logistic regression results, foreign-born Arab Americans were more likely to have a cognitive disability compared to US-born Arab Americans after adjusting for age and sex (OR = 1.41; 95% CI = 1.24, 1.61). Among foreign-born, Arab Americans arriving in 2014 or later had a lower prevalence of cognitive disability (3.4%) compared to all other arrival years at approximately 4.7%. With those arriving prior to 1991 as the reference category, those arriving between 1991 and 2000 were more likely to report a cognitive disability (OR = 1.05; 95% CI = 1.00, 1.08). However, those arriving between 2014 and 2018 were less likely to report a cognitive disability (OR = 0.81; 95% CI = 0.73, 0.88). These findings challenge the universality of the "healthy migrant effect" and highlight the relevance of socioeconomic disparities for Arab American cognitive health.