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ObjectiveTo examine the associations between dietary zinc intake and hyperuricaemia.DesignCross-sectional study.SettingThis study was conducted in a health examination centre of China.ParticipantsA total of 5168 middle-aged and older participants (aged 40 years or above) (2697 men and 2471 women) were included.Outcome measuresDietary zinc intake was assessed using a validated semiquantitative food frequency questionnaire. Hyperuricaemia was defined as uric acid ≥416 µmol/L for males and ≥360 µmol/L for females.ResultsFor males, the prevalence of hyperuricaemia was 22.9%. After adjusting for age, body mass index (BMI) and energy intake, the ORs were 0.68 (95% CI 0.45 to 0.92) in the second quintile, 0.63 (95% CI 0.45 to 0.89) in the third quintile, 0.68 (95% CI 0.46 to 1.00) in the fourth quintile and 0.55 (95% CI 0.35 to 0.87) in the fifth quintile comparing the lowest quintile of Zn intake, respectively (p for trend=0.03). In the multivariable adjusted model, the relative odds of hyperuricaemia were significantly decreased by 0.71 times in the second quintile of zinc intake (OR 0.71, 95% CI 0.52 to 0.98), 0.64 times in the third quintile (OR 0.65, 95% CI 0.44 to 0.94) and 0.55 times in the fifth quintile (OR 0.56, 95% CI 0.32 to 0.97) compared with those in the lowest quintile, and p for trend was 0.064. For females, the prevalence of hyperuricaemia was 10.0%, and unadjusted, minimally adjusted as well as multivariable adjusted ORs all suggested no significant association between dietary zinc intake and hyperuricaemia.ConclusionsThe findings of this cross-sectional study indicated that dietary zinc intake was inversely associated with hyperuricaemia in middle-aged and older males, but not in females. The association was significant after considering the influence of age, BMI and energy intake, and after that, minimum adjustment remained independent of further confounding factors such as vitamin C intake, alcohol drinking status and nutrient supplementation.

This study aimed to understand the acceptability of short message service (SMS) as a reminder for improving antiretroviral therapy (ART) adherence and determine the factors associated with willingness to accept SMS among people living HIV (PLH) in China. A total of 801 adult patients were recruited in a cross-sectional survey. Factors associated with willingness in unadjusted analyses (α = 0.10) were included in a logistic regression model; 88.4% of the participants owned mobile phones, 49.6% read every short message and 16.2% read only if the phone number was familiar, 79.5% reported daily SMS to remind taking medicine would be helpful, and 68.9% were willing to receive them. In the final model, willingness to accept was positively associated with being young (odds ratio [OR] = 0.32; 95% confidence interval [CI]: 0.11-0.99; p = 0.048), living in the middle or north region (OR = 2.36; 95% CI: 1.24-4.50; p = 0.009, OR = 71.79; 95% CI: 21.53-239.37; p < 0.001, respectively), having primary or "junior or higher" education (OR = 5.80; 95% CI: 2.13-15.86; p = 0.001, OR = 3.20; 95% CI: 1.20-8.58; p = 0.021, respectively), having serious disease condition of stage (OR = 10.01; 95% CI: 2.12-47.30; p = 0.004), being a rural resident (OR = 2.96; 95% CI: 1.72-5.10; p < 0.001), having side effect (OR = 4.74; 95% CI: 1.24-18.03; p = 0.023), and taking a dose two or more hours late in the last 30 days (OR = 2.45; 95% CI: 1.26-4.78; p = 0.009). SMS as a reminder for improving ART adherence is acceptable. The survey results indicate that to be effective, messages need to be more acceptable to elderly patients, urban residents, individuals with earlier stage of HIV disease, and individuals not experiencing side effects. Nonetheless, these results suggest that for a high proportion of PLH in China, reminder messages through mobile phones would be useful for increasing compliance with HIV regimens.

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Purpose Due to their very different contexts, the responses made by property hosts to online reviews can differ from those posted by hotel managers. Thus, the purpose of this study is to investigate the determinants of the responding behavior of hosts on peer-to-peer property rental platforms. Design/methodology/approach This study applied a comprehensive framework based on the theory of planned behavior. Empirical models are constructed based on 89,967 guest reviews with their associated responses to reveal the responding pattern of property hosts. Findings Unlike hotel managers, property hosts are more likely to reply to positive than to negative reviews; moreover, when they do choose to respond to negative reviews, they are likely to do so negatively, in a “tit-for-tat” way. This study also finds that one reason for the difference of responding patterns between property hosts and hotel managers is the hosts’ lack of experience of consumer relationship management and service recovery. Research limitations/implications This study provides a good start point for future theoretical development regarding effective responding strategy on peer-to-peer property rental platforms, as well as some useful implications for practitioners. Originality/value This study is an early attempt to analyze the impact of the particularity of emerging platforms on the responding behavior of service providers based on a comprehensive conceptual framework and empirical model thus provides a good starting point for the further investigation of effective response strategies on these emerging platforms.