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Table 3 Number of items reported (n (%))a grouped by 5-year time periods

From: Description of complex interventions: analysis of changes in reporting in randomised trials since 2002

  Time-1
2002–2007 (n = 42)
Time-2
2010–2015 (n = 134)
Intervention name 42 (100) 120 (90)
Rationale for trial 39 (93) 132 (99)
Patient’s views 2 (5) 7 (5)
Setting 40 (95) 98 (73)
Recipient 41 (98) 132 (99)
Provider 37 (88) 120 (90)
Manual or protocol 12 (29) 75 (56)
Intervention sessions 35 (83) 115 (86)
Duration of intervention 33 (79) 110 (82)
Duration of individual sessions 17 (40) 74 (55)
How 40 (95) 120 (90)
Tailored 17 (40) 78 (58)
Participant supporting materials 15 (36) 62 (46)
Fidelity assessed 10 (24) 37 (28)
How fidelity assessed 10 (100) 36 (95)
Who assessed fidelity 8 (80) 28 (74)
Fidelity outcome 10 (100) 13 (34)
Adherence to intervention 3 (30) 12 (32)
Supplementary materials 5 (12) 34 (25)
Descriptive aids 9 (21) 35 (26)
Modifications 1 (2) 4 (3)
Comparator 25 (60) 88 (66)
Number of words (mean, SD) 436.7 (SD 272) 406.1 (SD 338.3)
Number of sentences (mean, SD) 17.7 (SD 11.7) 17.1 (SD 10.0)
  1. aIncluding fidelity sub-items. See Table 2 for further details on items. SD standard deviation