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. 2021 Oct 8;70(40):1408–1414. doi: 10.15585/mmwr.mm7040a3

TABLE 2. Age-specific and age-adjusted* percentages of reporting walking, gardening, or weightlifting as a first or second most frequent activity among adults with arthritis§ who reported engaging in physical activity in the past month, by selected characteristics — Behavioral Risk Factor Surveillance System, United States,** 2019.

Characteristic No. of adults with arthritis engaging in physical activity Age-adjusted % (95% CI)*
Walking Gardening Weightlifting
Overall
87,299
70.0 (69.3–70.7)
10.7 (10.3–11.2)
10.3 (9.8–10.9)
Sociodemographic characteristic
Age group, yrs (unadjusted)
18–44
8,107
63.7 (61.8–65.5)
7.0 (6.1–8.0)
12.3 (11.1–13.6)
45–64
30,635
73.5 (72.6–74.5)
12.8 (12.0–13.7)
7.0 (6.5–7.6)
≥65
48,557
71.2 (70.3–72.0)
16.4 (15.7–17.1)
5.5 (5.1–6.0)
Sex
Male
34,886
63.9 (62.9–64.9)
10.9 (10.2–11.6)
10.9 (10.2−11.5)
Female
52,413
76.0 (75.2–76.7)
15.1 (14.5–15.8)
4.7 (4.3−5.1)
Race/Ethnicity
White, non-Hispanic
72,415
70.0 (69.4–70.7)
14.4 (13.9–14.9)
7.3 (6.9−7.7)
Black, non-Hispanic
5,607
75.4 (73.3–77.4)
7.8 (6.7–9.1)
7.9 (6.6−9.4)
Hispanic
3,059
72.8 (69.7–75.7)
11.7 (8.9–15.2)
7.3 (5.8−9.2)
Asian, non-Hispanic
794
72.1 (65.2–78.0)
11.4 (7.4–17.1)
8.7 (5.7−13.1)
American Indian or Alaska Native, non-Hispanic
1,290
74.8 (68.6–80.2)
8.0 (5.4–11.8)
4.4 (3.1−6.3)
Other/Multiple race, non-Hispanic
2,495
68.3 (64.5–71.9)
14.3 (11.7–17.3)
6.0 (4.6−7.9)
Highest level of education
Less than high school graduate
4,963
76.7 (74.5–78.7)
10.5 (9.1–12.0)
3.2 (2.4−4.3)
High school graduate or equivalent
21,782
71.7 (70.4–72.8)
13.6 (12.6–14.6)
5.5 (4.9−6.2)
Technical school or some college
26,276
70.8 (69.6–71.9)
14.5 (13.7–15.4)
6.7 (6.1−7.4)
College degree or higher
34,120
68.1 (67.1–69.1)
12.7 (12.0–13.5)
11.2 (10.5−11.9)
Employment status
Employed or self-employed
30,192
67.7 (66.6–68.8)
13.0 (12.1–13.9)
9.2 (8.6−9.9)
Unemployed
2,822
74.8 (71.2–78.1)
11.6 (9.5–14.1)
5.8 (4.2−8.1)
Retired
41,668
71.0 (69.8–72.2)
14.2 (13.3–15.1)
6.7 (6.0−7.6)
Unable to work or disabled
8,058
79.0 (77.1–80.7)
11.1 (9.9–12.5)
2.1 (1.7−2.7)
Student or homemaker
4,206
73.5 (70.8–76.0)
14.6 (12.7–16.7)
7.1 (5.6−9.1)
Federal poverty level††
≤125% FPL
11,478
77.3 (75.7–78.8)
11.0 (10.0–12.2)
3.4 (2.8−4.1)
>125% to ≤200% FPL
12,531
72.8 (71.2–74.3)
13.4 (12.2–14.7)
5.5 (4.6−6.4)
>200% to ≤400% FPL
21,874
70.7 (69.4–71.9)
14.7 (13.8–15.7)
7.2 (6.5−7.9)
>400% FPL
26,569
66.7 (65.5–67.8)
13.3 (12.4–14.2)
11.2 (10.4−12.0)
Sexual orientation§§
Straight
48,499
70.6 (69.7–71.4)
13.9 (13.3–14.6)
7.0 (6.5−7.5)
Lesbian, gay, bisexual, queer, or questioning
2,700
74.0 (70.9–76.9)
12.1 (9.9–14.8)
6.6 (4.9−8.8)
Urban-rural status ¶¶
Large central metro
11,279
72.4 (70.8–73.9)
11.8 (10.6–13.2)
8.5 (7.6–9.4)
Large fringe metro
15,941
67.9 (66.6–69.2)
12.9 (12.1–13.8)
8.2 (7.4–9.1)
Medium metro
18,392
70.3 (69.1–71.4)
13.4 (12.6–14.3)
7.0 (6.4–7.6)
Small metro
12,587
70.2 (68.7–71.7)
13.9 (12.8–15.1)
6.8 (6.0–7.7)
Micropolitan
14,468
69.6 (68.2–71.1)
14.5 (13.5–15.6)
5.6 (4.9–6.5)
Noncore
14,632
71.9 (70.3–73.5)
15.7 (14.4–17.0)
4.0 (3.3–4.7)
Health-related characteristic
Joint pain severity***
None/Mild
46,371
69.1 (68.2–70.0)
13.5 (12.8–14.2)
9.4 (8.8−10.0)
Moderate
20,280
71.6 (70.3–72.8)
13.5 (12.6–14.4)
6.5 (5.8−7.3)
Severe
19,421
73.6 (72.4–74.9)
12.7 (11.8–13.7)
4.3 (3.7−4.9)
Body mass index (kg/m2)
Underweight or healthy weight (<25)
22,816
68.5 (67.2–69.7)
13.5 (12.6–14.5)
7.9 (7.2−8.7)
Overweight (25 to <30)
30,115
69.1 (68.0–70.1)
13.7 (12.8–14.6)
8.9 (8.3−9.7)
Obese (≥30)
30,171
73.6 (72.6–74.5)
12.9 (12.1–13.6)
5.9 (5.3−6.4)
Mobility limitations†††
No
63,303
69.7 (68.9–70.4)
13.9 (13.3–14.5)
8.6 (8.1−9.0)
Yes
23,530
73.9 (72.8–75.1)
11.8 (10.9–12.7)
3.9 (3.3−4.4)
Arthritis-attributable activity limitations§§§
No
54,910
70.1 (69.3–70.9)
13.3 (12.7–13.9)
8.6 (8.1−9.1)
Yes
31,562
71.9 (70.9–72.9)
13.4 (12.6–14.1)
5.3 (4.9−5.8)
Arthritis-attributable work limitations¶¶¶
No
63,083
70.1 (69.3–70.8)
13.0 (12.5–13.6)
8.7 (8.3−9.3)
Yes
22,660
72.4 (71.3–73.6)
14.0 (13.1–15.0)
4.5 (4.0−5.0)
Self-rated health
Excellent or very good
35,055
67.5 (66.4–68.4)
13.2 (12.5–14.0)
10.5 (9.8−11.2)
Good
31,206
72.1 (71.1–73.1)
14.5 (13.6–15.4)
6.2 (5.7−6.8)
Fair or poor 20,858 74.1 (72.9–75.3) 11.8 (11.0–12.7) 4.2 (3.6−4.8)

Abbreviations: CI = confidence interval; FPL = federal poverty level.

* Except for age groups, age-adjusted estimates were generated in weighted logistic regression models that included age as a categorical covariate (18−44 years, 45−64 years, and ≥65 years).

Those who were engaging in physical activity were classified as participating in an activity if they reported this activity for one of two questions: 1) “What type of physical activity or exercise did you spend the most time doing during the past month?” or 2) “What other type of physical activity gave you the next most exercise during the past month?” Participants who reported one activity but had missing data for the second most frequent activity (e.g., “don’t know” or “refused”) were included in the analysis.

§ Respondents were classified as having arthritis if they responded “yes” to the question, “Have you ever been told by a doctor or other health care professional that you have arthritis, rheumatoid arthritis, gout, lupus, or fibromyalgia?”

Respondents with arthritis were classified as engaging in physical activity if they responded “yes” to the question, “During the past month, other than your regular job, did you participate in any physical activities or exercises such as running, calisthenics, golf, gardening, or walking for exercise?”

** In 2019, New Jersey did not collect enough data to meet the minimum requirement for inclusion in the BRFSS public-use data set.

†† FPL is the ratio of total family income to federal poverty level per family size. Overall, 14,847 adults with arthritis engaging in physical activity had missing FPL data.

§§ Sexual orientation was asked in 30 states (Alaska, Arizona, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Iowa, Kansas, Louisiana, Maryland, Minnesota, Mississippi, Montana, New York, North Carolina, Ohio, Oklahoma, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, and Wisconsin). A total of 788 adults with arthritis who engaged in physical activity refused to answer.

¶¶ Urban-rural status was categorized using the National Center for Health Statistics 2013 Urban-Rural Classification Scheme for Counties. https://www.cdc.gov/nchs/data/series/sr_02/sr02_166.pdf

*** For the question, “On a scale of 0 to 10 where 0 is no pain or aching and 10 is pain or aching as bad as it can be, during the past 30 days, how bad was your joint pain on average,” an answer of 0−4 was defined as none/mild, an answer of 5−6 was defined as moderate, and an answer of 7−10 was defined as severe.

††† Respondents were classified as having mobility limitations if they responded “yes” to the question, “Do you have serious difficulty walking or climbing stairs?”

§§§ Respondents were classified as having arthritis-attributable activity limitations if they responded “yes” to the question, “Are you now limited in any way in any of your usual activities because of arthritis or joint symptoms?”

¶¶¶ Respondents were classified as having arthritis-attributable work limitations if they responded “yes” to the question, “In this next question, we are referring to work for pay. Do arthritis or joint symptoms now affect whether you work, the type of work you do, or the amount of work you do?”