IMPORTANCE Both nonsuicidal self-injury (NSSI), defined as the direct, deliberate damage of one's body tissue without suicidal intent, and internet addiction among adolescents are public health concerns. However, the possible association of NSSI with internet addiction is not well understood. OBJECTIVE To examine the occurrence of internet addiction with NSSI and any sex differences among Chinese adolescents. DESIGN, SETTING, AND PARTICIPANTS A multicenter, cross-sectional, survey study was conducted from February 18 to October 15, 2015, among adolescents aged 11 to 20 years from 343 classes in 45 public high schools across 5 provinces of China. Data analysis was performed from
Introduction: Zimbabwe is still burdened with HIV epidemic and the government has an ambitious aim in the post-2015 era to end the AIDS epidemic by 2030. To achieve this, the government has set up the 90-90-90 strategic milestones to be achieved by 2020. It is a daunting task to increase HIV testing uptake from the current estimate of 56% to 90% to meet these targets. The current government's initiative requires an understanding of determinants of HIV testing. Objectives: The specific objectives of this study are to: (i) identify the individual and communitylevel determinants of HIV testing, focussing on predisposing, enabling and perceived need factors (PREP); and (ii) establish gender differences. Most PREP factors associated with HIV testing are largely consistent with patterns in Southern Africa (e.g., higher uptake by women and those who are wealthier), but unique patterns have also emerged. In particular, results reveal important gender differences: rural residence is associated with lower uptake of HIV testing for women (OR=0.74) but higher for men (OR=1.16); community wealth is a more important factor in enabling HIV testing than household wealth for women, but the converse is true for men; and individual-level, rather than community-level stigma is important for women, while for men, it is community-level stigma that is important. Conclusion: Observed gender disparities in determinants of HIV testing calls for gender specific response. Couple-oriented HIV counselling and testing services where men accompany their spouse to HIV screening during pregnancy may help increase HIV testing uptake for males and reduce gender disparities.
ObjectiveThe association between birth weight and infants’ neurodevelopment is not well understood. We aimed to examine the impact of birth weight on neurodevelopment of infants at age 1–6 months using data from the Wuhan Healthy Baby Cohort (WHBC) study.Setting and participantsThis is a prospective cohort study of 4026 infants from the WHBC study who were born at the Women and Children’s Hospital of Wuhan, China between October 2012 and September 2013 and who had complete healthcare records within 6 months after birth. Participants were categorised into three groups according to their birth weight: low birth weight (LBW; birth weight <2500 g), normal birth weight (2500 g ≤ birth weight <4000 g) and macrosomia (birth weight ≥4000 g).Main outcome measuresThe main outcomes were development quotient (DQ) and clinical diagnosis of neurodevelopmental delay. Both adjusted regression coefficients and ORs were estimated for LBW and macrosomia.ResultsOf the 4026 infants, 166 (4.12%) were of LBW and 237 (5.89%) were with macrosomia. Adjusted regression coefficients of LBW and macrosomia for gross motor DQ were −11.18 (95% CI −11.36 to 10.99) and 0.49 (95% CI 0.36 to 0.63), fine motor DQ −6.57 (95% CI −6.76 to −6.39) and −2.73 (95% CI −2.87 to −2.59), adaptability DQ −4.87 (95% CI −5.05 to −4.68) and −1.19 (95% CI −1.33 to −1.05), language DQ −6.23 (95% CI −6.42 to −6.05) and 0.43 (95% CI 0.29 to 0.57), and social behaviour DQ −6.82 (95% CI −7.01 to −6.64) and 1.10 (95% CI 0.96 to 1.24). Adjusted OR of LBW for clinical diagnosis of ‘neurodevelopmental delay’ in gross motor was 2.43 (95% CI 1.65 to 3.60), fine motor 1.49 (95% CI 1.01 to 2.19) and adaptability 1.56 (95% CI 1.06 to 2.31). LBW has no significant effects on ‘neurodevelopmental delay’ in language and social behaviour, and macrosomia has no significant effects on clinical diagnosis of ‘neurodevelopmental delay’ in all domains.ConclusionBoth LBW and macrosomia are associated with infants’ DQ, and LBW increases the risk of being diagnosed with ‘neurodevelopmental delay’ in gross motor, fine motor and adaptability among infants aged 1–6 months.
This study contributes to the dialogue on the prevention of mother-to-child HIV transmission (PMTCT) through the use of HIV and antenatal care (ANC) integrated services. The determinants of antenatal HIV testing in Zimbabwe were explored. Multilevel logistic regression models were applied to data for 8471 women from 406 clusters who gave birth in the 5 years preceding Zimbabwe Demographic and Health Surveys conducted in 2005/6 and 2010/11. The uptake of antenatal HIV testing was found to be determined by a wide range of individual-level factors relating to women's economic and demographic status, as well as HIV-related factors, including HIV awareness and stigma within the community. Important individual-level enabling and perceived need factors included high socioeconomic status, not having observed HIV-related stigma and knowledge of HIV status (based on a previous HIV test), such that these groups of individuals had a significantly higher likelihood of being tested for HIV during pregnancy than their counterparts of lower socioeconomic status, and who had observed HIV-related stigma or did not know their HIV status. The results further revealed that community HIV awareness is important for improving antenatal HIV testing, while stigma is associated with reduced testing uptake. Most contextual community-level factors were not found to have much effect on the uptake of antenatal HIV testing. Therefore, policies should focus on individual-level predisposing and enabling factors to improve the uptake of antenatal HIV testing in Zimbabwe.
Patterns of HIV prevalence in Kenya suggest that areas where various cultural practices are prevalent bear a disproportionate burden of HIV. This paper examines (i) the contextual effects of cultural practices (polygyny, male circumcision) and related sexual behaviour factors on HIV prevalence and (ii) the extent to which specific cultural practices in a community/county explain existing ethnic variations in HIV prevalence in Kenya. The analysis applies multilevel logistic regression to data from the 2012/13 Kenya AIDS Indicator Survey. The results reveal striking ethnic variations in HIV prevalence in Kenya. The prevalence of polygyny in a community is positively associated with HIV prevalence, while a higher level of male circumcision in a county is protective for both men and women. The effects of these factors are stronger for men than women at both individual and contextual (community/county) levels. These cultural practices and associated risk factors partly explain existing ethnic differences in HIV prevalence in Kenya, but there remain significant ethnic variations that are not explained by these cultural practices or related sexual behaviour factors. These call for stronger empirical evidence to offer stronger theoretical explanations and inform effective policy and practice to address HIV epidemic in adversely affected communities in Kenya and similar settings in sub-Saharan Africa.
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