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Table 2 Results of univariate 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)

Variable

LTFU post-randomization

LTFU post-Intervention

LTFU 6 month FU

Age

 < 45

1

1

1

 46–60

1.22 (0.51–2.91); p = 0.65

1.38 (0.71–2.68); p = 0.34

1.54 (0.73–3.22); p = 0.26

 61–75

1.23 (0.51–2.97); p = 0.65

1.27 (0.65–2.49); p = 0.49

1.05 (0.49–2.25); p = 0.89

 > 75

2.46 (0.74–8.18); p = 0.14

1.54 (0.54– 4.41); p = 0.42

1.68 (0.51–5.51); p = 0.39

Sex

 Males (ref)

1

1

1

 Females

1.32 (0.62–2.81); p = 0.48

1.31 (0.73–2.32); p = 0.36

1.09 (0.59–2.04); p = 0.76

Education

0.95 (0.88–1.02); p = 0.17

0.97 (0.92–1.03); p = 0.33

0.94 (0.87–1.01); p = 0.08

Marital status

 Married/cohabiting

1

1

1

 Single/divorced/widowed

0.86 (0.37–1.98); p = 0.73

1.08 (0.58–2.00); p = 0.80

1.42 (0.74–2.73); p = 0.29

Employment status

 Unemployed/disabled

1

1

1

 Retired

0.73 (0.20–2.59); p = 0.63

1.42 (0.51–3.99); p = 0.51

2.60 (0.79–8.56); p = 0.12

 Employed (PT/FT)

1.14 (0.35–3.700; p = 0.83

2.14 (0.79–5.76); p = 0.13

3.94 (1.24–12.55); p = 0.02

Baseline distress

1.04 (0.84–1.29); p = 0.72

1.07 (0.89–1.270; p = 0.45

1.06 (0.87–1.28)

Program type

 MBCR

1.39 (0.74–2.58); p = 0.30

1.32 (0.81–2.16); p = 0.26

1.12 (0.66–1.90); p = 0.68

 TCQ (ref)

1

1

1

Program preference

 Randomized

1.18 (0.58–2.39); p = 0.65

1.08 (0.62–1.90); p = 0.78

.64 (0.34–1.21); p = 0.17

 Preference (ref)

1

1

1

Program timing

 IM (ref)

1

1

1

 WL

4.08 (2.16–7.71); p < 0.005

2.23 (1.34–3.70); p = 0.002

2.56 (1.44–4.54); p = 0.001

Adherence

N/A

  

 LL (CA = low, HPL = low)

 

8.29 (4.12–16.66); p < 0.005

5.84 (2.71–12.59); p < 0.005

 LH (CA = low, HPL = high)

 

6.15(2.15–17.63); p = 0.001

3.94 (1.23–12.59); p = 0.02

 HL (CA = high, HPL = low)

 

1.12 (0.57–2.47); p = 0.64

1.82 (0.89–3.63); p = 0.09

 HH (CA = high, HPL = high) (ref)

 

1

1