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arthritis. Today 41% of the 50 million U.S. adults with arthritis report limitations in their usual

activities because of arthritis.


While these data consider all types of arthritis, it is likely that

OA accounts for a large portion of those with work limitations. An estimated $3.4 to 13.2 billion

is spent per year on job-related OA costs.


Obesity is a long-recognized and fast-growing

public health issue in the United States, with serious health and economic consequences.

Reversing the trend is a national priority. Underserved people and communities, including

racial and ethnic minority populations, are both at greater risk for obesity and more likely to

experience its health and economic impact.


Prevalence in African American and

Hispanic/Latina Females

OA is highly prevalent and on the rise. All races and

ethnic groups are affected by arthritis, including

36 million White adults, 4.6 million Black adults,

nearly 3 million Hispanic/Latino adults, and 1.6

million adults of other races.


Of those with arthritis,

non-Hispanic/Latino Blacks and Hispanics/Latinos

report greater work limitations and more severe

joint pain than Whites do.


The number of individuals with OA is expected to increase with longer

life expectancies, the obesity epidemic, and the large number of boomers who started reaching

retirement age in 2011. Half of all adults will develop symptomatic OA of the knee at some point

in their lives and that risk increases with obesity to two of every three obese adults.


Prevalence of obesity in White,

Black and Hispanic/Latina Women

(BMI ≥ 30):


of White women


of Mexican American



of Black women