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Table 1 Background and disease characteristics among women with JIA at inclusion

From: Breastfeeding in women with juvenile idiopathic arthritis: results from a Norwegian quality register

Background characteristics

N

 

Age (years), mean (SD)

304

28.8 (4.3)

 Age > 35 years, n (%)

 

23 (7.6)

Parity, n (%)

304

 

 0

 

136 (44.7)

 1

 

98 (32.2)

 ≥2

 

70 (23.0)

Cigarette/Snuff use n (%)

299

30 (10.0)

BMI (kg/m2), mean (SD)

293

25.0 (4.4)

 Underweight (< 18.5 kg/m2), n (%)

 

8 (2.7)

 Normal weight (18.5–24.9 kg/m2), n (%)

 

164 (56.0)

 Overweight ≥ 25 kg/m2), n (%)

 

121 (41.3)

Regular physical activity, n (%)a

201

124 (61.7)

Education level, n (%)b

298

 

 Low

 

10 (3.4)

 Intermediate

 

68 (22.8)

 High

 

220 (73.8)

Working full time or part time, n (%)

298

218 (73.2)

Disease related characteristics

  

Disease duration in years, mean (SD)

269

21.3 (15.3)

Erosive disease, n (%)

251

95 (37.8)

Anti-CCP antibodies present, n (%)

251

34 (13.5)

RF present, n (%)

237

34 (14.3)

CRP (mg/L), mean (SD)

281

6.0 (10.2)

 CRP value > 5 mg/L, n (%)

 

110 (39.1)

DAS-28-CRP-3, mean (SD)

253

2.4 (0.8)

 Remission (DAS-28CRP-3 < 2.6), n (%)

 

172 (68.0)

 Low disease activity (2.6 ≤ DAS-28-CRP-3 ≤ 3.2), n (%)

 

46 (18.2)

 Moderate disease activity (3.2 < DAS-28-CRP-3 ≤ 5.1), n (%)

 

34 (13.4)

 High disease activity (DAS-28-CRP-3 > 5.1), n (%)

 

1 (0.4)

VAS (mm), mean (SD)

  

 Pain

228

25.2 (23.8)

 Fatigue

217

41.9 (29.5)

 Total

224

29.7 (26.2)

Medications

  

csDMARDs, n (%)c

302

68 (22.5)c

 Hydroxychloroquine, n (%)

 

17 (5.6)

 Methotrexate, n (%)

 

14 (4.6)

 Sulfasalazine, n (%)

 

38 (12.6)

bDMARDs, n (%)

303

94 (31.0)

 TNF inhibitor, n (%)

 

90 (29.7)

 IL-6 inhibitor, n (%)

 

4 (1.3)

Corticosteroids, n (%)

303

29 (9.6)

  1. a Aerobic exercise for a minimum of 30 min at least once a month
  2. b Education level: low = elementary school, medium = high school/vocational education, high = college/university
  3. c One woman registered was using both hydroxychloroquine and methotrexate simultaneously