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Table 1 Respondent demographic information, BMI, and dietary behavior, NHANES data 2013–2014 and 2015–2016

From: US NHANES Data 2013–2016: increased risk of severe obesity in individuals with history of juvenile idiopathic arthritis

 

No Arthritis

N = 508

Juvenile Idiopathic Arthritis

N = 121

Juvenile Idiopathic Arthritis vs. No Arthritis

p-value

Demographic variable

 Current Age, M (SD)

42.6 (1.7)

44.4 (1.5)

0.3

 Gender, % female

46.3

53.7

0.2

Race

 % Caucasian

60.2

75

 

 % African American

13.3

10.6

 

 % Hispanic

14.7

6.6

 

 % Other

11.8

7.8

0.02

Heaviest self-reported lifetime weight (in kg), M (SD)

84.5 (1.3)

97.6 (2.9)

< 0.01

Current BMI, kg/m2, M (SD)

27.4 (0.4)

30.6 (0.8)

< 0.01

% Overweight or obese, n (%)

339 (66.7)

94 (77.7)

0.02

BMI 15–19.9: Underweight, n (%)

29 (5.7)

4 (3.3)

0.3

BMI 20–24.9: Normal, n (%)

140 (27.6)

23 (19)

0.05

BMI 25–29.9: Overweight, n (%)

162 (31.9)

37 (30.6)

0.8

BMI 30–34.9: Class I obesity, n (%)

90 (17.7)

17 (14)

0.3

BMI 35–39.9: Class II obesity, n (%)

28 (5.5)

14 (11.6)

0.02

BMI 40 or higher: Class III obesity, n (%)

29 (5.7)

19 (15.7)

0.0002

Dietary behavior

 Tried to lose weight in the past year, n (%)

160 (34.5)

46 (50.1)

0.02

 Changed eating habits, n (%)

72 (14.2)

23 (19)

0.2

 Ate less, n (%)

123 (24.2)

43 (35.6)

0.01

 Skipped meals, n (%)

27 (5.3)

13 (10.7)

0.02

 Switched to foods with lower calories, n (%)

63 (12.4)

23 (19)

0.05

 Ate less fat, n (%)

63 (12.4)

26 (21.5)

< 0.01

 Ate fewer carbohydrates, n (%)

60 (11.8)

26 (21.5)

< 0.01

 Ate diet foods, n (%)

15 (3)

10 (8.3)

< 0.01

 Ate more fruits, vegetables, salads, n (%)

89 (17.5)

32 (26.4)

0.02

 Ate less sugar, candy, sweets, n (%)

69 (13.6)

28 (23.1)

< 0.01

 Ate less junk food or fast food, n (%)

78 (15.4)

24 (19.8)

0.2

  1. Note. Bolded p-values indicate p < .05. NHANES = National Health and Nutrition Examination Surveys. BMI = Body Mass Index. BMI was calculated using height and weight data from the Physical Examination of the NHANES program. Weight was self-reported in pounds and recalculated to kg