placestats

High blood pressure and Firearm share of suicides, standardised

Where High blood pressure is higher, Firearm share of suicides, standardised tends to be higher. The link is weak: +0.35 across 2,070 counties, on a scale from −1 (opposite) to +1 (in step). That figure compares places with the same population density, income and education, so those differences can't explain it. It holds inside states too. Measured separately within each of 33 states, the middle value of the link is +0.18.

Holds after adjusting

Every place, plotted

One dot for each place reporting both measures. Hover over or tap a dot to see its name and values. The thin line is the straight line that best fits the dots. The bold line, shown for counties, is the link after adjusting for density, income and education. A dot far from the lines is a place that does not follow the pattern.

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What each measure is

High blood pressure

The estimated percentage of adults who have been told they have high blood pressure. It is adjusted so places with older or younger populations can be compared fairly. It is an estimate from a statistical model, not a direct count from a local survey.

CDC PLACES · PLACES BPHIGH, age-adjusted

Firearm share of suicides, standardised

The gun share of suicides compared with what you would expect if each sex, age and race group here used guns at its national rate. 100 means it matches what the local population mix would predict. Above 100 means more gun suicide than that. It is the best county measure of gun access available, and it closely tracks RAND's state estimates of gun ownership.

CDC WONDER mortality; RAND firearm ownership database · CDC WONDER underlying cause of death, suicide by intent, firearm by mechanism, 2018-2023

Highest and lowest

Where each measure is highest and lowest among the places reporting both (2023), with the other measure beside it. This is shown for every size of place where both are published. Metro-area values are added up from their counties. A measure that cannot be added up across counties, such as a middle value (median), has no metro figure. Counts are shown per 1,000 residents, since raw totals would only list the largest places. Cities and towns and ZIP codes are shown where the Census survey or the CDC publishes them; most other sources stop at the county. They are shown for places of 5,000 residents or more, and only where the survey’s margin of error is small enough for the figure to be usable. The CDC publishes its health estimates for cities in a version adjusted for age, so places with older or younger people can be compared fairly, but not for ZIP codes.

Counties

By high blood pressure

High blood pressureFirearm share of suicides, standardised
Highest
Coahoma County, MS50.7%146
Washington County, MS49.4%134
Leflore County, MS49.2%161
Dallas County, AL49.2%129
Phillips County, AR49%160
Lowest
Boulder County, CO21%85.3
Broomfield County, CO22.9%95.7
Eagle County, CO23%106
Denver County, CO23.2%78.1
Douglas County, CO23.7%95.4

By firearm share of suicides, standardised

High blood pressureFirearm share of suicides, standardised
Highest
Gates County, NC36.5%181
Hale County, AL46%178
Harrison County, MO34.2%177
Ritchie County, WV39.1%176
Teton County, MT28.1%175
Lowest
New York County, NY25.8%12.9
Queens County, NY29.8%22.5
Kings County, NY28.8%24.6
Bronx County, NY34.6%26.6
Norfolk County, MA26.3%29.7
States — High blood pressure is not published for states

By firearm share of suicides, standardised

High blood pressureFirearm share of suicides, standardised
Highest
Wyoming—130
Mississippi—129
Alabama—129
Louisiana—121
Georgia—120
Lowest
Massachusetts—41.3
Hawaii—45
District of Columbia—46.9
Rhode Island—50.3
New Jersey—51.7
Metro areas

By high blood pressure

High blood pressureFirearm share of suicides, standardised
Highest
Clarksdale, MS50.7%146
Greenville, MS49.4%134
Selma, AL49.2%129
Cleveland, MS48.5%173
Greenwood, MS47.2%152
Lowest
Boulder, CO21%85.3
Edwards, CO23%106
Durango, CO24.3%133
Heber, UT24.5%105
Fort Collins-Loveland, CO24.6%94.5

By firearm share of suicides, standardised

High blood pressureFirearm share of suicides, standardised
Highest
Cleveland, MS48.5%173
Rio Grande City-Roma, TX37.5%167
Winnemucca, NV29%161
Snyder, TX33%160
Brenham, TX32.9%159
Lowest
New York-Newark-Jersey City, NY-NJ28.7%35.2
Barnstable Town, MA27.5%38.8
Boston-Cambridge-Newton, MA-NH27.2%39.2
Pittsfield, MA27.7%40.7
Urban Honolulu, HI27.9%40.9
Cities and towns — Firearm share of suicides, standardised is not published for cities and towns

By high blood pressure

High blood pressureFirearm share of suicides, standardised
Highest
Bastrop city, LA53.4%—
Yazoo City city, MS53.4%—
Tallulah city, LA52.8%—
Grambling city, LA52.3%—
Prichard city, AL51.9%—
Lowest
Superior town, CO18.7%—
Louisville city, CO19.2%—
Gunbarrel CDP, CO19.7%—
Lafayette city, CO20.1%—
Short Hills CDP, NJ20.4%—

Counties furthest from the pattern

Compared with the straight line that best fits all 2,070 counties: the five with far more firearm share of suicides, standardised than their high blood pressure would suggest, and the five with far less.

High blood pressureFirearm share of suicides, standardised
Above the line
Teton County, MT28.1%175
Harrison County, MO34.2%177
Custer County, ID29.5%166
Gates County, NC36.5%181
Dunn County, ND30.3%166
Below the line
Bronx County, NY34.6%26.6
New York County, NY25.8%12.9
Queens County, NY29.8%22.5
Kings County, NY28.8%24.6
Hudson County, NJ29.2%31.5

Two series, one county

Both measures over time for a county you pick. The two charts are stacked, so they share only the years along the bottom. You can pick from the thirty largest counties reporting both. This panel covers 2010–2024, and a measure published only once shows as a single dot.

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Every version of the link

Each row measures the same link, from −1 to +1, in a different way. If the rows mostly agree, the link does not depend on one choice of method.

Before adjusting for anything+0.4242,070 counties reporting both
After adjusting for density, income and education+0.352the part of the link that is not just how urban, rich and educated a place is
Also adjusting for population size+0.334size taken out as well as density
Also comparing only within each state+0.035each county is compared only with others in its own state, so this is no longer a comparison between states
Giving bigger counties more weight+0.423the adjusted link for the average resident rather than the average county. With this weighting, the data counts for about 252 equally weighted counties
Middle value inside single states+0.183the link worked out inside each of 33 states with at least 20 counties reporting
Using ranks, after adjusting+0.362uses each county’s rank, not its value, so a few extreme counties cannot create the link

How much to believe it

Could it be chance?

The p-value is the chance of seeing a link this strong if there were really none. A value of 0.05 or less means the link is unlikely to be chance. Very small values are written in short form: 3.1e-16 means 0.00000000000000031, and the bigger the number after “e-”, the smaller the value. Treating every county as a separate case gives p = 3.2e-61. But counties in the same state tend to resemble each other, so the better figure allows for that: p = 2.6e-8. The site tested 20,910 pairs, and testing so many turns up some flukes. The q-value allows for that too. For this pair it is 2.0e-60.

Do nearby places look alike?

Moran’s I measures how much nearby places look alike: 0 means no map pattern, and higher means neighbours are more similar. For the part of each county that the adjustment leaves unexplained, it is +0.31 (p = 0.001). That unexplained part still clusters on the map. So some regional factor shared by both measures is not accounted for.

Did they change together?

Not measurable: at least one of these is published for too few of the years a change needs (2014–2019 or 2019–2023), or for too few counties in both.

Related pairs

Association only. Nothing here shows that either measure changes the other. This describes counties, not the people in them. Two measures going together across places does not mean the same people have both. How the US county data works · Explore High blood pressure and Firearm share of suicides, standardised