Table 1 Inpatient admission rates within 1 month and 6 months of birth

 Within 1 month

0.249 (0.498)

0.225 (0.477)

0.263 (0.509)

0.038***

(0.029, 0.047)

<.001

 Within 6 months

0.298 (0.594)

0.272 (0.58)

0.313 (0.602)

0.041***

(0.030, 0.052)

<.001

 N

246,040

90,595

155,445

 Within 1 month

0.262 (0.510)

0.232 (0.487)

0.281 (0.523)

0.049***

(0.036, 0.061)

<.001

 Within 6 months

0.323 (0.625)

0.289 (0.602)

0.343 (0.637)

0.054***

(0.039, 0.070)

<.001

 N

131,275

49,325

81,950

 Within 1 month

0.233 (0.483)

0.216 (0.464)

0.243 (0.493)

0.028***

(0.015, 0.041)

<.001

 Within 6 months

0.270 (0.556)

0.253 (0.551)

0.280 (0.559)

0.027***

(0.012, 0.042)

<.001

 N

114,765

41,270

73,495