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Table 2 Intention-to-treat analysis, sickness absences before and after the intervention (n = 22)

From: Improved recording of work relatedness during patient consultations in occupational primary health care: a cluster randomized controlled trial using routine data

Outcome variable
Men
Baseline 6 months before the intervention
1.5.2015–31.10.2015
6 months after the intervention
1.5.2017–31.10.2017
Main comparison between intervention and control groups
(CI 95%)
 Control unitIntervention unitControl unitIntervention unit  
n = 11n = 11n = 11n = 11  
Primary outcomemean (sd)mean (sd)mean (sd)mean (sd) 
Medium-term SA (4–14 days)187 (160)151 (111)201 (176)149 (70)22− 46 to 91
Secondary outcome
 Short-term SA (1–3 days)316 (230)319 (327)381 (319)317 (195)66− 122 to 255
 Long-term SA (15+ days)94 (63)84 (48)99 (65)81 (45)10− 23 to 43
Total length of SA, days4378 (2751)3886 (2396)4755 (3486)3834 (2075)486− 1118 to 2091
Number of SA episodes598 (442)554 (478)681 (552)547 (292)104− 177 to 384
Women
 Primary outcomemean (sd)mean (sd)mean (sd)mean (sd)  
 Medium-term SA (4–14 days)116 (96)153 (156)160 (122)193 (138)−16− 123 to 91
Secondary outcome
 Short-term SA (1–3 days)261 (242)331 (399)323 (243)357 (178)−18− 201 to 165
 Long-term SA (15+ days)68 (74)93 (85)89 (75)105 (62)−3− 52 to 47
Total length of SA, days3041 (3116)4172 (4161)3978 (3405)4772 (2952)− 233− 2655 to 2189
Number of SA episodes445 (408)577 (626)571 (429)655 (365)− 41− 372 to 290
  1. SA sickness absence