A meta-analysis of randomized controlled trials (RCTs) has recently showed that theory-based interventions designed to promote physical activity (PA) significantly increased PA behavior. The objective of the present study was to investigate the moderators of the efficacy of these theory-based interventions. Seventy-seven RCTs evaluating…

Background: Insufficient sleep among students is a major school health problem. School-based sleep education programs tailored to reach large number of students may be one of the solutions. A systematic review and meta-analysis was conducted to summarize the programs' effectiveness and current status. Methods: Electronic databases were searched up…

Background: Identifying effective relapse prevention interventions is a vital step to help smokers maintain abstinence for the long term. Aims: The purpose of this study is to determine if providing recently quit smokers with self-directed relapse prevention booklets is effective at maintaining abstinence after intensive group smoking cessation…

Background: Adolescents with asthma face unique challenges due to hormonal changes, psychosocial development and healthcare transition. Peer-led self-management programmes may increase treatment adherence and social adjustment by addressing these challenges. The purpose of this study was to assess whether peer-led self-management programmes…

Financial incentives are being used increasingly to encourage a wide array of health behaviors because of their well-established efficacy. However, little is known about how to translate incentive-based strategies to public health practice geared toward improving population-level health, and a dearth of research exists on how individuals respond…

A healthy lifestyle is important for mothers during the postpartum period. This study was conducted to determine the effects of a lifestyle educational package in primiparous women. This randomized clinical trial was conducted on 220 mothers assigned to two groups using block randomization. In the intervention group, the mothers received…

More than 100 million people globally are estimated to be exposed to arsenic in drinking water that exceeds the World Health Organization guideline of 10 µg/L. In an effort to develop and test a low-cost sustainable approach for water arsenic testing in Bangladesh, we conducted a randomized controlled trial which found arsenic educational…

Background: We tested the effectiveness of the Go Wild With Fruits and Veggies! (GWWFV) Extension curriculum on increasing fruit and vegetable (FV) intake of third graders. Methods: An intervention study was used testing self-reported FV intake pre/post GWWFV. Recruited schools were randomized to control (12 schools, N = 369, third grade children)…

Background: Community health worker (CHW) interventions are known to be an effective strategy to improve health behaviors and outcomes in relation to diabetes, particularly for racial/ethnic communities. Although understanding the function of identity with same race/ethnicity among clients of CHW interventions could contribute to more effective…

Guided by the social cognitive theory, this randomized controlled trial tested the "Make a Move," a provider-led intervention for Head Start parents aimed to produce changes in the outcomes of knowledge, attitude, and behavior of physical activity and healthy eating. Participants were parents of children ages 3-5 years enrolled in a Head…

The purpose of this study was to determine and compare outcomes of two voluntary workplace health management methods: an adapted worksite self-management (WSM) approach and an intensive health monitoring (IM) approach. Research participants were randomly assigned to either the WSM group or the IM group by a computer-generated list (n = 180; 92 WSM…

Adolescents' sexual risk-taking behavioural issues have generated concerns among parents, teachers and social workers. The study examined the effects of self-efficacy training programmes on adolescents' sexual risk-taking behaviour and also investigated whether socio-economic status and gender would moderate the effects of treatment on sexual…

We assessed the effectiveness of a culturally grounded, multimedia, sexual risk reduction intervention called Circle of Life (mCOL), designed to increase knowledge and self-efficacy among preteen American Indians and Alaska Natives. Partnering with Native Boys and Girls Clubs in 15 communities across six Northern Plains reservations, we conducted…

A recent study in Saudi Arabia uncovered certain prevalent health-risk behaviors amongst the adolescent population. One of the most prevalent behaviors identified by this study is health-risk dietary behavior. In general, adolescents in Saudi Arabia reported poor dietary behaviors. Furthermore, the problem of poor diet in the adolescent population…

To test the efficacy of an intervention to reduce tobacco use among youth (10-19 years old) in slum communities in Delhi, India. This community-based cluster-randomized trial included 14 slums composed of purposely built resettlement colonies and adjacent inhabitant-built Jhuggi Jhopris. Youth in the intervention received a 2 year…