A new NBER working paper by Brian Jacob, Jens Ludwig and Douglas Miller examines how improved housing conditions impact child mortality rates in Chicago. The improvement in child mortality seems to apply only to girls, and not boys. The data come from Chicago’s resuscitated housing voucher system, from 1997 through 2005. Here’s the abstract:
The study builds on the findings of the federal government’s Moving to Opportunity experiment, which started in the mid-1990s and offered randomly chosen residents of public housing the chance to move to a wealthier neighborhood (poverty below 10%). Among adults, rates of obesity and mental health problems declined, but the effects were mixed on the risky behaviors of kids. Girls did better, while boys did worse. Read More »
We’ve known for a while that girls have been maturing at a faster rate for much of the last 100 years, if not longer. Disease reduction and better nutrition are thought to be the biggest factors. But what about boys? Researchers have long thought they were maturing faster too. But lacking the obvious (monthly) data, the evidence proved tricky.
Now, a German researcher believes he’s found the answer by looking at, of all things, male teenage death rates. When girls hit puberty, they get their period. When boys hit puberty, they start doing stupid stuff, hence what’s called “The accident hump,” a spike in mortality rates that coincides with the peak of male hormone production during puberty. That hump it seems has been shifting to earlier and earlier in life.
The new study, by Joshua Goldstein, director of the Max Planck Institute for Demographic Research in Rostock, Germany, finds that the age of sexual maturity for boys has been decreasing by about 2.5 months each decade, since at least the middle of the 18th century. Read More »
There’s an interesting story in today’s Wall Street Journal, by Katherine Hobson about a new method some cardiologists have come up with to better diagnose life-threatening heart conditions among student athletes. Apparently, since the hearts of well-conditioned athletes sometimes put out more electrical voltage than average, their ECG’s can often look like that of someone with a heart problem. This has led to an underestimation of the risks that sudden cardiac death (SCD) poses to student athletes, according to the study, even though it’s their leading medical cause of death during exercise. The findings were published this month in the American Heart Association journal Circulation. You can read the abstract here.
What really caught my eye though was an info-graphic the WSJ ran next to the story. Using data from Circulation, the graphic depicts the overall rates of SCD, from high to low, per year among NCAA college athletes, broken out by different sports. Read More »
A recent Reuters headline got a lot of attention on the Web. It read: “Black men survive longer in prison than out: study.” Gawker picked it up; so did The Atlantic, Yahoo, and the Grio. I tracked down the study’s author David Rosen, an epidemiology PhD and a post-doctoral fellow at the University of North Carolina, to see if this was actually the case. Rosen focuses his research on the health-care system inside prisons. For this latest study, he matched North Carolina prison records against state death records from 1995 to 2005, in order to compare the mortality rates of black and white male prisoners against their general population counterparts.
The results of his sample (100,000 men aged 20-79) were striking in how much they differed by race. While the total death rate of black men in prison is half that of black men in the general population, white prisoners die at about a 12% faster clip than their general population counterparts. This is essentially what a previous report by the U.S. Bureau of Justice Statistics found in 2007.
Rosen was good enough to answer questions about what he feels his study says about health-care, prisons and race. Read More »
That is the question I found myself asking while looking at a new Centers for Disease Control report that analyzes drug-overdose deaths in Florida from 2003-2009. I am guessing the answer is a resounding yes, but it’s probably a question worth asking. During that period, the death rate for prescription drugs rose 84.2 percent, from 7.3 to 13.4 per 100,000 people. (Note that these numbers represent unintentional deaths, not suicides — although when you’re talking about death by drugs, the intention isn’t always clear.) Interestingly, the death rate from illicit drugs — primarily heroin and cocaine — has fallen 21.4 percent, to 3.4 per 100,000 people. Read More »