Gastrointestinal disturbances (GIDs) are relatively common in children diagnosed with autism spectrum disorder (ASD). This study assessed associations between maternal obesity, diabetes, preeclampsia, and asthma and likelihood of ASD with GIDs. This retrospective cohort study included 308,536 mother-child pairs of singletons born between 2001 and…

Despite significant declines, adolescent birth rates in the USA are higher than other industrialized countries, with black and Hispanic youth disproportionately affected. This study assessed the efficacy of a single-session, entertainment-education sexual health video intervention for these populations. Using an individual-level randomized…

Objective: Community college students engage in more risky sexual behavior compared to their four-year counterparts, yet have access to fewer reproductive health services. The study's purpose was to examine whether California Community College student health centers' participation in Family PACT, a state publicly-funded family planning program,…

Objectives: Although pregnant women are a high-priority group for seasonal influenza vaccination, vaccination rates in this population remain below target levels. Previous studies have identified sociodemographic predictors of vaccine choice, but relationships between preconception heath behaviors and seasonal influenza vaccination are poorly…

We conducted a nested case-control study including 407 cases and 2,075 frequency matched controls to investigate the association between maternal infections during pregnancy and risk of autism spectrum disorders (ASD). Cases, controls, and maternal infections were ascertained from Kaiser Permanente Northern California clinical databases. No…

Mothers play an important role in promoting the sexual health of their adolescent children. Fifty-seven HIV-positive mothers with adolescent children participated in an in-depth, qualitative interview regarding whether they have talked to their children about safer sex and sexually transmitted disease (STD) prevention, including at what age they…

Some of the nation's most vulnerable youth are those living in foster care and other out-of-home settings. Many such youth have experienced abuse and neglect, face mental health and substance abuse challenges, and struggle with serious behavioral problems (Casanueva et al. 2014). They are more likely than their peers to have academic struggles and…

This study used qualitative content analysis to examine anonymous questions about sex and sexuality submitted by Latino and African American adolescents in Los Angeles, California, classrooms. The majority of questions asked about sexuality and sexual behavior, or anatomy and physiology, with fewer questions about pregnancy and pregnancy…

We examined approaches used by African-American mothers and mothers of Latino descent for informal sex-related discussions with their children to inform sexually transmitted infection (STI)/HIV intervention development efforts. We recruited mothers (of children aged 12-15) from youth service agencies and a university in southern California.…

Most interventions designed to prevent HIV/STI/pregnancy risk behaviours in young people have multiple components based on psychosocial theories (e.g. social cognitive theory) dictating sets of mediating variables to influence to achieve desired changes in behaviours. Mediation analysis is a method for investigating the extent to which a variable…

This report presents findings from the "CalYOUTH Wave 3 Youth Survey." CalYOUTH (the California Youth Transitions to Adulthood Study) is an evaluation of the impact of the California Fostering Connections Act on outcomes during foster youth's transition to adulthood. CalYOUTH includes collection and analysis of information from three…

This research clarifies the public support of comprehensive sexuality education (CSE) in terms of acceptance, content, timing, and effectiveness as it may inform practice in the United States. The historical context of public opinion, as well as a summary of the efficacy of abstinence only education (AOE) versus CSE in the scientific literature,…

Objective: To explore the sexual and reproductive health behaviors of students from 13 community college campuses in California. Participants: Heterosexual college students, ages 18 to 24, who have had sexual intercourse (N = 4,487). Methods: The American College Health Association's National College Health Assessment (ACHA-NCHA) survey was…

U.S. teen pregnancy and birth rates remain among the highest in the western world. And although Latina teens were the only group to experience a decline in birth rate between 2006 and 2007, they continue to experience the highest rates in most states and across the nation. About half of all Latina teens experience pregnancy before they reach their…

The "Morbidity and Mortality Weekly Report" ("MMWR") Series is prepared by the Centers for Disease Control and Prevention (CDC). Data in the weekly "MMWR" are provisional, based on weekly reports to CDC by state health departments. This issue of "MMWR" contains the following studies: (1) Youth Risk Behavior…