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Table 3 Results of multiple regression for loss to follow up

From: Factors related to dropout in integrative oncology clinical trials: interim analysis of an ongoing comparative effectiveness trial of mindfulness-based cancer recovery and Tai chi/Qigong for cancer health (The MATCH study)

Steps LTFU post-randomization LTFU post-intervention LTFU 6 month FU
Program type
 MBCR 1.39 (0.74–2.58); p = 0.30 1.04 (0.58–1.88); p = 0.89 1.04 (0.55–1.95); p = 0.91
 TCQ (ref) 1 1 1
  R2 0.007 R2 0.000 R2 0.000
Program type
 MBCR   1.10 (0.60–2.03); p = 0.74 1.13 (0.59–2.18), p = 0.71
 TCQ (ref)   1 1
  N/Aa   
Employment
 Unemployed/disabled   1 1
 Retired   1.58 (0.55–4.49); p = 0.39 2.92 (0.86–9.92); p  = 0.09
 Employed (PT/FT)   2.22 (0.82–6.04); p  = 0.12 4.30 (1.32–13.98); p  = 0.02
Education    0.95 (0.88–1.02); p  = 0.15
  R2 0.021 R2 0.074
Program type
 MBCR 1.40 (0.73–2.67); p  = 0.31 1.11 (0.60–2.03); p  = 0.74 1.10 (0.57–2.13); p  = 0.77
 TCQ (ref) 1 1 1
Employment   1 1
 Employed (PT/FT)   1.47 (0.51–4.26); p = 0.47 2.84 (0.83–9.68); p = 0.09
 Unemployed/disabled   2.14 (0.78–5.91); p  = 0.14 4.21 (1.29–13.73); p  = 0.02
 Retired    0.94 (0.88–1.01); p  = 0.95
Education    1
    1.57 (0.77–3.19); p  = 0.26
Program timing 1 1 1
 IM (ref) 3.96 (2.08–7.56); p < 0.005 2.23 (1.19–4.14); p = 0.012 0.48 (0.20–1.14); p  = 0.09
 WL    
  R2 0.112 R2 0.065 R2 0.106
Program type
 MBCR   1.11 (0.56–2.16); p  = 0.77 1.24 (0.62–2.51)
 TCQ (ref)   1 1
Employment
 Employed (PT/FT)   1 1
 Unemployed/disabled   2.15 (0.67–6.93); p  = 0.19 (3.65.97–13.73); p  = 0.05
 Retired   3.21 (1.05–9.81); p = 0.04 5.33 (1.47–19.29); p  = 0.01
Education    0.95 (0.88–1.03); p  = 0.19
Program timing
 IM (ref)   1 1
 WL   1.37 (0.67–2.78); p = 0.39 1.02 (0.46–2.28); p = 0.95
Adherence    
 LL (CA = low, HPL = low)   5.87 (2.57–13.40); p < 0.005 3.93 (1.53–10.02); p = 0.04
 LH (CA = low, HPL = high)   8.15 (2.41–27.58); p = 0.001 5.02 (1.26–19.96); p = 0.02
 HL (CA = high, HPL = low)   0.99 (0.39–2.52); p  = 0.99 1.37 (0.57–3.27); p  = 0.48
 HH (CA = high, HPL = high) (ref)   1 1
   R2 0.251 R2 0.192
  1. The program start timing (i.e. whether the participants were in IM or WLC) was associated with LTFU at all the three time points
  2. aN/A: Not applicable