Adiposity Measures and Plasma Adipokines in Females with Rheumatoid and Osteoarthritis
Table 1
Characteristics of nested case-control participants with and without arthritis in the Atlantic PATH cohort.
No arthritis
Rheumatoid
Osteoarthritis
n (%)
Age group
50–59
49 (61.3)
35 (43.8)
36 (45.0)
60–69
31 (38.8)
45 (56.3)
44 (55.0)
Province
Nova Scotia
43 (53.8)
40 (50.0)
38 (47.5)
New Brunswick
22 (27.5)
15 (18.8)
22 (27.5)
Newfoundland and Labrador
6 (7.5)
20 (25.0)
15 (18.8)
Prince Edward Island
9 (11.3)
5 (6.3)
5 (6.3)
Education
High school or less
14 (17.5)
20 (25.3)
13 (16.3)
College level
24 (28.6)
33 (41.8)
27 (33.8)
University level
42 (52.5)
26 (32.9)
40 (50.0)
Smoking status
Never
40 (50.0)
33 (41.3)
38 (47.5)
Former
35 (43.8)
42 (52.5)
35 (43.8)
Current
5 (6.3)
5 (6.3)
7 (8.8)
Alcohol drinking
Abstainer
12 (15.0)
15 (18.8)
12 (15.0)
Occasional drinker
32 (40.0)
36 (45.0)
34 (42.5)
Regular drinking
23 (28.7)
24 (30.0)
18 (22.5)
Habitual drinker
13 (16.3)
5 (6.3)
16 (20.0)
Fruits & vegetables (five a day)
57 (71.3)
43 (53.8)
46 (57.5)
Diabetes
17 (3.8)
25 (8.8)
26 (7.6)
Hypertension
3 (21.3)
7 (32.1)
6 (32.5)
BMI > 30
40 (33.3)
40 (33.3)
40 (33.3)
Waist-to-hip ratioa
53 (66.3)
54 (67.5)
52 (65.8)
Abdominal obesityb
42 (52.5)
54 (67.5)
54 (68.4)
Physical activity levelc
Inactive
16 (20.0)
22 (27.8)
13 (16.3)
Moderately active
21 (26.3)
20 (25.3)
20 (25.0)
Active
43 (53.8)
37 (46.8)
47 (58.8)
Mean (SD)
Age
57.7 (5.1)
60.3 (5.6)
59.7 (5.1)
Duration of arthritis (years)
—
15.8 (15.7)$
10.5 (10.0)
Height, cm
166.0 (10.2)
166.5 (8.7)
165.1 (9.2)
Weight, kg
78.9 (24.2)
78.5 (20.3)
77.3 (20.1)
Waist, cm
87.3 (21.8)
92.8 (15.8)
92.4 (18.1)
Hips, cm
99.7 (21.8)
105.8 (14.7)
105.0 (16.2)
Body mass index (BMI), kg/m2
28.5 (7.6)
28.4 (7.6)
28.5 (7.7)
Waist-to-hip ratio
0.88 (0.1)
0.88 (0.1)
0.88 (0.1)
Percentage body fat, %
32.7 (9.9)
33.2 (11.2)
33.6 (10.5)
Fat mass index, kg/m2
9.8 (5.5)
9.9 (6.0)
10.2 (6.0)
BMI at 18 years
20.1 (4.3)
19.8 (3.4)
20.3 (4.1)
Change in BMI from 18 years
5.0 (6.5)
7.7 (6.2)
5.5 (6.1)
aWaist-to-hip ratio > 0.85 for women; bwaist circumference ≥ 88 cm for women; cphysical activity levels: inactive was classified as not meeting guidelines, and moderately active and active were classified as meeting guidelines of 150 minutes per week of moderate-to-vigorous physical activity. Significant difference from no arthritis () as determined by Kruskal-Wallis test; $significant difference from osteoarthritis () as determined by Student’s t-test.
