515 216 Age 227 136 0--1 1.22 [0.82- 1.81]; 0.33 205 139 1--2 years 1.13 [0.75- 1.70]; 0.56 83 62 2--3 years reference 485 205 Farther with a diagnosis of asthma 100 33 Yes 0.93 [0.70- 1.25]; 0.65 385 172 No reference 505 210 Maternal educational level 333 137 At most college 1.01 [0.73- 1.41]; 0.94 127 50 Medium duration 0.99 [0.60- 1.62]; 0.963 45 23 University reference Environmental tobacco exposure (nicotine 491 207 in hair age 1 year above 1 ng/mg vs. below) Yes 206 90 1.16 [0.86- 1.56]; 0.34 No 285 117 reference Sensitization at any point (6 months, 18 512 214 months, 4 years) Yes 183 52 0.82 [0.64- 1.04]; 0.10 No 329 162 reference Asthma during age 0-3 years (yes vs. no) 478 198 Yes 183 52 1.74 [1.32- 2.30]; <0.001 No 295 146 reference 509 211 Chromsome 17q21 gene variant 170 72 TT 1.05 [0.67- 1.66]; 0.83 227 88 TC 0.87 [0.56- 1.35]; 0.54 112 51 CC reference IRR: Incidence rate
Age 515 216 0--1 227 136 1.22 [0.82- 1.81]; 0.33 1--2 years 205 139 1.13 [0.75- 1.70]; 0.56 2--3 years 83 62 reference Farther with a diagnosis of asthma 485 205 Yes 100 33 0.93 [0.70- 1.25]; 0.65 No 385 172 reference Maternal educational level 505 210 At most college 333 137 1.01 [0.73- 1.41]; 0.94 Medium duration 127 50 0.99 [0.60- 1.62]; 0.963 University 45 23 reference Environmental tobacco exposure (nicotine in hair age 1 year above 1 ng/mg vs. below) 491 207 Yes 206 90 1.16 [0.86- 1.56]; 0.34 No 285 117 reference Sensitization at any point (6 months, 18 months, 4 years) 512 214 Yes 183 52 0.82 [0.64- 1.04]; 0.10 No 329 162 reference Asthma during age 0-3 years (yes vs. no) 478 198 Yes 183 52 1.74 [1.32- 2.30]; <0.001 No 295 146 reference Chromsome 17q21 gene variant 509 211 TT 170 72 1.05 [0.67- 1.66]; 0.83 TC 227 88 0.87 [0.56- 1.35]; 0.54 CC 112 51 reference IRR: Incidence rate
JACI_Carlsson_final.docx