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Table 3 Hazard ratios for seroconversion to persistent islet autoimmunity at 3 and 6 years of age for analgesic variables of interest

From: Analgesic antipyretic use among young children in the TEDDY study: no association with islet autoimmunity

Analgesic Variable

Exposed subjects n (%)

3 Year Analysis

6 Year Analysis

398 antibody + subjects

511 antibody + subjects

HR (95% CI) p-value

HR (95% CI) p-value

Acetaminophen, any exposure

7496 (87.8%)

1.01 (0.97, 1.05) 0.603

1.01 (0.98, 1.05) 0.576

Acetaminophen with fever + infection

5179 (60.6%)

1.05 (1.01, 1.09) 0.022

1.03 (0.99, 1.08) 0.189

 Exposed <90 days of life

220 (2.6%)

0.97 (0.59, 1.61) 0.914

1.00 (0.68, 1.46) 0.986

 Exposed <180 days of life

1519 (17.8%)

1.07 (0.87, 1.32) 0.542

1.06 (0.88, 1.27) 0.527

 Exposed <365 days of life

3795 (44.4%)

1.06 (1.00, 1.12) 0.011

1.05 (0.99, 1.11) 0.101

Acetaminophen without fever or infection

5941 (69.6%)

1.02 (0.98, 1.06) 0.346

1.01 (0.96, 1.05) 0.769

 Exposed <90 days of life

4016 (47.0%)

1.00 (0.90, 1.11) 0.994

0.99 (0.85, 1.14) 0.837

 Exposed <180 days of life

4597 (53.8%)

0.98 (0.84, 1.14) 0.814

0.97 (0.84, 1.13) 0.729

 Exposed <365 days of life

5310 (62.2%)

1.03 (0.99, 1.06) 0.114

1.02 (0.99, 1.06) 0.228

NSAID, any exposure

3874 (45.4%)

1.01 (0.97, 1.05) 0.753

1.01 (0.97, 1.04) 0.763

NSAID with fever + infection

2652 (31.0%)

1.01 (0.97, 1.05) 0.673

1.01 (0.98, 1.05) 0.459

 Exposed <90 days of life

22 (0.3%)

1.01 (0.92, 1.10) 0.897

1.00 (0.92, 1.09) 0.960

 Exposed <180 days of life

223 (2.6%)

0.99 (0.88, 1.11) 0.822

1.00 (0.94, 1.07) 0.927

 Exposed <365 days of life

1318 (15.4%)

1.01 (0.97, 1.06) 0.530

1.02 (0.98, 1.05) 0.378

NSAID without fever or infection

1955 (22.9%)

1.00 (0.96, 1.05) 0.856

1.01 (0.97, 1.05) 0.623

 Exposed <90 days of life

222 (2.6%)

1.00 (0.88, 1.12) 0.943

0.99 (0.88, 1.12) 0.874

 Exposed <180 days of life

458 (5.4%)

0.99 (0.88, 1.11) 0.815

1.00 (0.94, 1.07) 0.956

 Exposed <365 days of life

1120 (13.1%)

1.01 (0.96, 1.06) 0.824

1.01 (0.97, 1.05) 0.638

Any analgesic, any exposure

7744 (91%)

1.02 (0.99, 1.05) 0.130

1.02 (0.99, 1.04) 0.267

Any analgesic with fever + infection

5699 (67%)

1.06 (0.97, 1.15) 0.219

1.02 (0.94, 1.10) 0.667

  1. Each hazard ratio is calculated from a Cox proportional hazards model with the analgesic variable and covariates indicated in text