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Table 2 End of breastfeeding comparison between JIA and Non-chronic arthritis vs. Controls. OR and P-values from logistic regression

From: Early feeding and risk of Juvenile idiopathic arthritis: a case control study in a prospective birth cohort

 

Controls

Non-chronic arthritis

JIA

(n = 10,189)

(n = 105)

OR (95% CI)

p

(n = 29)

OR (95% CI)

p

End of exclusive breastfeeding

 

Months 1-4 (0-120 days)

3261 (37%)

27 (34%)

1 (ref)

0.700

16 (57%)

1 (ref)

0.023

Months 5-8 (121-240 days)

5374 (60%)

48 (61%)

0.9 (0.6-1.3)

0.458

12 (43%)

0.3 (0.1-0.7)

0.006

Months 9-12 (241-365 days)

269 (3%)

4 (5%)

1.1 (0.5-2.8)

0.800

0 (0%)

0

0.994

End of total breastfeeding

 

Months 1-4 (0-120 days)

1579 (15%)

20 (19%)

1 (ref)

0.558

11 (38%)

1 (ref)

0.003

Months 5-8 (121-240 days)

3569 (35%)

34 (32%)

0.8 (0.4-1.3)

0.315

11 (38%)

0.4 (0.2-1.0)

0.056

Months 9-12 (241-365 days)

5041 (50%)

51 (49%)

0.8 (0.5-1.3)

0.397

7 (24%)

0.2 (0.1-0.5)

0.001