Arkady
President
In another thread, below, Julie pointed out that liberal states tend to have lower age-adjusted firearm death rates than conservative states. Some conservative seized on the "age-adjusted" caveat as if, somehow, this explained away the result -- as if the CDC had simply gamed the numbers by [Unwelcome language removed]-factoring red state results upwards and blue state results downwards to get a desired result (rather than doing the age adjustments for the obvious reasons, to allow for an apples-to-apples comparisons among demographically dissimilar groups).
Setting aside the customary right-wing recourse to bizarre conspiracy theories to explain away inconvenient statistical facts, just stop and think things through. What are the likely impacts of doing these age adjustments on the stats? Well, obviously, it will mean that states that have a larger share of their population in the "peak gun violence" age groups will have their rates adjusted downwards, while those with a smaller share in that demographic will have their rates adjusted upwards. Since liberal states tend to have lower birth rates and higher life expectancy, the overall impact of age adjustments will be to make the comparison a little less ugly, from the perspective of a red state, than would be an un-age-adjusted comparison, since on average the conservative states will have their numbers adjusted downward more than the liberal states.
This should be immediately and glaringly obvious to anyone with even a passing familiarity with American society.... at least anyone who isn't so innumerate as to be unable to think through the implications of those demographics. But, since obviously some people were unfamiliar with American society, or innumerate, it's easy enough to confirm my prediction. Table 19, here, includes both the rate and the age adjusted rate:
http://www.cdc.gov/nchs/data/nvsr/nvsr64/nvsr64_02.pdf
Here's the net impact for each state Julie listed (increase or decrease in rate from age-adjustment in parentheses):
The 10 states with the highest firearm age-adjusted death rates were:
1. Alaska (-0.2)
2. Louisiana (+0.1)
3. Mississippi (+0.2)
4. Alabama (-0.2)
5. Arkansas (-0.1)
6. Wyoming (-0.8)
7. Montana (-0.2)
8. Oklahoma (+0.1)
9. New Mexico (-0.1)
10. Tennessee (-0.5)
The 10 states with the lowest firearm age-adjusted death rates were:
1. Hawaii (-0.1)
2. Massachusetts (-0.1)
3. New York (-0.2)
4. Connecticut (-0.1)
5. Rhode Island 0
6. New Jersey 0
7. New Hampshire (-0.6)
8. Minnesota (-0.3)
9. California (-0.2)
10. Iowa (-0.2)
So, the first list had their numbers lowered by an average of over twice as much as the second group.... meaning the red-state/blue-state comparison would be even starker based on non-age-adjusted numbers.
Here's what the ten worst and ten best lists look like using the non-age-adjusted figures:
Worst
AK
LA
AL
MS
WY
MT
AR
OK
TN
SC
There's a little shuffling, and NM comes out to be replaced by South Carolina, but otherwise it's the same group of states. In fact, the list looks a little more damning to the conservatives, since SC is more consistently conservative than NM.
Best
HI
MA
NY
CT
RI
NJ
NH
CA
MN
IA
California and Minnesota swap places, but otherwise it's an identical list to the age-adjusted one.
There are two take-aways here:
(1) There are some conservatives here who are so bad with numbers or ignorant of sociology that they'll push an argument that actually runs directly against their own interests, such as insisting on doing a non-age-adjusted comparison that any informed person would expect to make their position look even weaker.
(2) The conspiracy theories notwithstanding, age adjustments are made by the government for stats like this not because doing so games the numbers for the liberals (on the contrary, they detract slightly from the strength of the liberal case), but because it makes intellectual sense to do so.
Setting aside the customary right-wing recourse to bizarre conspiracy theories to explain away inconvenient statistical facts, just stop and think things through. What are the likely impacts of doing these age adjustments on the stats? Well, obviously, it will mean that states that have a larger share of their population in the "peak gun violence" age groups will have their rates adjusted downwards, while those with a smaller share in that demographic will have their rates adjusted upwards. Since liberal states tend to have lower birth rates and higher life expectancy, the overall impact of age adjustments will be to make the comparison a little less ugly, from the perspective of a red state, than would be an un-age-adjusted comparison, since on average the conservative states will have their numbers adjusted downward more than the liberal states.
This should be immediately and glaringly obvious to anyone with even a passing familiarity with American society.... at least anyone who isn't so innumerate as to be unable to think through the implications of those demographics. But, since obviously some people were unfamiliar with American society, or innumerate, it's easy enough to confirm my prediction. Table 19, here, includes both the rate and the age adjusted rate:
http://www.cdc.gov/nchs/data/nvsr/nvsr64/nvsr64_02.pdf
Here's the net impact for each state Julie listed (increase or decrease in rate from age-adjustment in parentheses):
The 10 states with the highest firearm age-adjusted death rates were:
1. Alaska (-0.2)
2. Louisiana (+0.1)
3. Mississippi (+0.2)
4. Alabama (-0.2)
5. Arkansas (-0.1)
6. Wyoming (-0.8)
7. Montana (-0.2)
8. Oklahoma (+0.1)
9. New Mexico (-0.1)
10. Tennessee (-0.5)
The 10 states with the lowest firearm age-adjusted death rates were:
1. Hawaii (-0.1)
2. Massachusetts (-0.1)
3. New York (-0.2)
4. Connecticut (-0.1)
5. Rhode Island 0
6. New Jersey 0
7. New Hampshire (-0.6)
8. Minnesota (-0.3)
9. California (-0.2)
10. Iowa (-0.2)
So, the first list had their numbers lowered by an average of over twice as much as the second group.... meaning the red-state/blue-state comparison would be even starker based on non-age-adjusted numbers.
Here's what the ten worst and ten best lists look like using the non-age-adjusted figures:
Worst
AK
LA
AL
MS
WY
MT
AR
OK
TN
SC
There's a little shuffling, and NM comes out to be replaced by South Carolina, but otherwise it's the same group of states. In fact, the list looks a little more damning to the conservatives, since SC is more consistently conservative than NM.
Best
HI
MA
NY
CT
RI
NJ
NH
CA
MN
IA
California and Minnesota swap places, but otherwise it's an identical list to the age-adjusted one.
There are two take-aways here:
(1) There are some conservatives here who are so bad with numbers or ignorant of sociology that they'll push an argument that actually runs directly against their own interests, such as insisting on doing a non-age-adjusted comparison that any informed person would expect to make their position look even weaker.
(2) The conspiracy theories notwithstanding, age adjustments are made by the government for stats like this not because doing so games the numbers for the liberals (on the contrary, they detract slightly from the strength of the liberal case), but because it makes intellectual sense to do so.
