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Oklahoma, Utah lead going cell-only; Calif, NY lag

Thu, 03/12/2009 - 8:25am
Mike Mokrzycki, The Associated Press

(AP) – Trendy California isn't a trendsetter when it comes to relying on cell phones. And while the 1987 movie "Wall Street" helped introduce the then-brick-size mobile phone to popular culture, New York and other Northeast states lag in dropping landlines. Surprisingly, Oklahoma and Utah lead in going wireless, according to federal estimates released Wednesday.

At least 26 percent of households are now cell-only in Oklahoma and Utah, the federal Centers for Disease Control and Prevention estimated. That rate was at least 20 percent in nine other states – Nebraska, Arkansas, Idaho, Iowa, Kentucky, New Mexico, Texas, South Carolina and Tennessee – and the District of Columbia.

The study is sure to be watched closely by telecommunications companies trying to understand state and local markets better, and by government, academic and commercial survey researchers using telephone polling to monitor health trends, politics and much more.

The CDC, blending its own 2007 survey data with Census updates, found the prevalence of cell-only households varies widely by state – sometimes within regions and even between neighboring states. This is tied to differences by state in demographics known to predict wireless-only ownership, especially being young and renting rather than owning a home.

States with the fewest cell-only households: Vermont (5 percent); and Connecticut, Delaware and South Dakota (with 6 percent each). South Dakota was near the bottom even though next-door Nebraska was near the top. Also below 10 percent: Rhode Island, New Jersey, Hawaii, California, Montana, Massachusetts and Missouri.

In New York – where Michael Douglas as corporate raider Gordon Gekko roamed lower Manhattan barking orders on a huge early cell phone in "Wall Street" – 11 percent of households were cell-only.

The study also estimated how many adults only have cell phones. Those estimates mostly came within a point or two of the household numbers.

The study's lead author, Stephen Blumberg, senior scientist at the CDC's National Center for Health Statistics, noted the data are from 2007 and all signs indicate people keep substituting cell phones for landlines at a steady pace.

"We would expect that today in 2009 the prevalence rates in every state have increased, perhaps by 5 percentage points or more. What we don't know is whether the rate of growth is the same in every state," Blumberg said in an interview.

By asking about telephone usage in its monthly in-person health surveys, Blumberg's agency is the only source for data on prevalence of cell-phone-only households. It estimates more than one in six American homes – 17.5 percent – had only wireless phones as of a year ago.

The health survey doesn't have enough interviews to produce reliable state-level estimates in most states, so Blumberg's team looked to the Census Bureau's Current Population Survey, with large state samples. The researchers compared CPS data on demographic groups known to be associated with cell phone usage and adjusted the CDC state estimates to conform.

U.S. telephone surveys, especially on the state level, typically sample only landline phones. There's growing evidence from the 2008 election that excluding cell phones could hurt poll accuracy, at least a little. Blumberg noted that in health surveys, omitting cell-only respondents could, among other things, underestimate the number of smokers and binge drinkers – and, paradoxically, those who exercise regularly.

Wireless-only households state-by-state

State

% of wireless-only households

% of wireless-only adults

Oklahoma

26.2 percent

25.1 percent

Utah

25.5 percent

23.9 percent

Nebraska

23.2 percent

22.4 percent

Arkansas

22.6 percent

21.2 percent

Iowa

22.2 percent

18.9 percent

Idaho

22.1 percent

21.3 percent

Kentucky

21.4 percent

21.6 percent

New Mexico

21.1 percent

20.5 percent

Texas

20.9 percent

19.5 percent

South Carolina

20.6 percent

19.2 percent

Tennessee

20.3 percent

20.8 percent

District of Columbia

20 percent

25.4 percent

Mississippi

19.1 percent

20.3 percent

Arizona

18.9 percent

17.1 percent

Oregon

17.7 percent

18.1 percent

Minnesota

17.4 percent

16.5 percent

North Dakota

16.9 percent

18.1 percent

Florida

16.8 percent

15.5 percent

Kansas

16.8 percent

15.2 percent

Colorado

16.7 percent

15.2 percent

Georgia

16.5 percent

15 percent

Illinois

16.5 percent

15.2 percent

Michigan

16.3 percent

15.3 percent

North Carolina

16.3 percent

14.8 percent

Washington

16.3 percent

15.6 percent

Wisconsin

15.2 percent

13.6 percent

Louisiana

15 percent

13.8 percent

Ohio

14 percent

13.1 percent

Alabama

13.9 percent

12.2 percent

Indiana

13.8 percent

13 percent

Maine

13.4 percent

12 percent

Alaska

11.7 percent

13.3 percent

New Hampshire

11.6 percent

8.9 percent

West Virginia

11.6 percent

10.6 percent

New York

11.4 percent

10.6 percent

Wyoming

11.4 percent

13 percent

Maryland

10.8 percent

9.8 percent

Nevada

10.8 percent

10.1 percent

Pennsylvania

10.8 percent

9.2 percent

Virginia

10.8 percent

10 percent

Missouri

9.9 percent

8.4 percent

Massachusetts

9.3 percent

8.4 percent

Montana

9.2 percent

5.4 percent

California

9 percent

8.4 percent

Hawaii

8 percent

8.2 percent

New Jersey

8 percent

6.1 percent

Rhode Island

7.9 percent

5.3 percent

South Dakota

6.4 percent

6.8 percent

Delaware

5.7 percent

4 percent

Connecticut

5.6 percent

4.8 percent

Vermont

5.1 percent

4.6 percent

Source: The Associated Press
State-by-state prevalence of households and adults with cell phones only, according to estimates released by the National Center for Health Statistics, part of the Centers for Disease Control and Prevention. Ordered from highest to lowest prevalence of cell-only households. Estimates subject to some error because of survey sampling and design of the estimation model; the range of potential error varies by state.


More Broadband Direct 03/12/09:

•  Cablevision to stop selling analog tier by end of year
•  Sprint shareholder files class-action suit
•  SureWest's yearly revenue increases 35 percent 
•  Report: Nortel in talks to sell off major business units
•  Oklahoma, Utah lead going cell-only; Calif, NY lag
•  Harmonic wraps up $50M purchase of Scopus
•  Tru2way front and center at CableNET
•  Google preparing to steer more telephone traffic
•  Sirius XM Radio sees opportunities to bundle
•  Broadband Briefs for 03/12/09

 

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