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Table 2 Zero Inflated Negative Binomial model of total work absence 1994–2008. IRR for women versus men

From: Exposure to different lengths of sick leave and subsequent work absence among young adults

Sick leave 1993 Woman Mean(SD) Man Mean(SD) Adjusted IRR Woman vs Man 95 % CI p-value
0 n = 59814 380 (620) n = 59876 241 (507) 1.20 1.18–1.22 <.0001
1–7 n = 3241 626 (844) n = 1599 436 (737) 1.35 1.24–1.47 <.0001
8–14 n = 1440 723 (957) n = 863 423 (698) 1.52 1.35–1.70 <.0001
15–28 n = 1600 763 (1003) n = 905 548 (895) 1.28 1.14–1.43 <.0001
29–59 n = 1678 919 (1106) n = 760 580 (963) 1.36 1.21–1.53 <.0001
60–89 n = 718 1074 (1225) n = 312 671 (1061) 1.50 1.25–1.79 <.0001
90–119 n = 424 1157 (1246) n = 166 874 (1296) 1.26 0.99–1.61 0.0649
120–149 n = 201 1596 (1473) n = 106 851 (1143) 1.81 1.32–2.48 0.0002
150–179 n = 145 1478 (1472) n = 82 1111 (1388) 1.30 0.91–1.85 0.1493
180–239 n = 181 1998 (1620) n = 111 1251 (1451) 1.50 1.10–2.04 0.0104
240–299 n = 114 1984 (1602) n = 65 1858 (1724) 1.13 0.76–1.68 0.5459
330–364 n = 137 2421 (1833) n = 116 2120 (1740) 1.19 0.87–1.64 0.2812
365 n = 130 3604 (1919) n = 113 3187 (2010) 1.22 0.88–1.69 0.2380
  1. Adjusted for age, education, origin and county, IRR (Incidence-rate ratio) from the negative binominal part of the model