Table 4 Parameter estimates for significant predictor variables for cessation compared to the PREVIEW study completers

VARIABLES ASSOCIATED WITH CESSATION

 Group 1 Very early cessation (Did not achieve weight-loss target)

  QoL Environment

-.25

.04

42.74

1

p < .001

.78

  Social Support—Family discouragement diet

.30

.10

9.71

1

p = .002

1.35

  Healthcare utilisation – Not taking medication or supplements

.50

.14

12.63

1

p < .001

1.66

 Group 2 Early cessation (Drop-out by early PREMIT maintenance stage)

  QoL Environment

-.16

.04

21.28

1

p < .001

.85

  No spend on PA activities during last 3 months

.47

.12

14.53

1

p < .001

1.60

  Healthcare utilisation – Not taking medication or supplements

.42

.13

10.71

1

p = .001

1.51

SEX AS MODERATOR OF CESSATION

 Group 1 Very early cessation (Did not achieve weight-loss target)

  QoL Environment -

   Men

-.36

.08

20.73

1

p < .001

.70

   Women

-.23

.05

26.76

1

p < .001

.79

  Between levels of up to secondary and secondary vocational z-score = 3.92 significant

  Family discouragement diet -

   Women

.31

.12

7.16

1

p = .007

1.37

  Not taking medication or supplements -

   Women

.48

.17

8.21

1

p = .004

1.62

 Group 2 Early cessation (Drop-out by early PREMIT maintenance stage)

  Not taking medication or supplements

   Men

.8

.20

11.5

1

p = .001

2.10

  QoL Environment -

   Women

-.18

.04

17.68

1

p < .001

.84

  Family discouragement diet –

   Women

.35

.11

10.15

1

p = .001

1.43

 Group 3 Late Cessation (Drop out after early PREMIT maintenance stage)

  Family discouragement diet

   Women

.30

.11

6.80

1

p = .009

1.34

DEGREE OF EDUCATION AS MODERATOR OF CESSATION

 Group 1 Very early cessation (Did not achieve weight-loss target)

  QoL Environment -

   Up to secondary education

-.27

.10

7.77

1

p = .001

.77

   Secondary vocational education

-.42

.10

16.32

1

p < .001

.66

   University education

-.24

.06

14.91

1

p < .001

.79

Between levels no significant differences

  Family discouragement diet –Family discouragement diet –

   University education

.57

.16

12.68

1

p < .001

1.78

 Group 2 Early cessation (Drop-out by early PREMIT maintenance stage)

  QoL Environment -

   University education

-.25

.06

19.48

1

p < .001

.78

   Social Support—Family discouragement diet University education

.44

.15

8.67

1

p = .003

1.55

 Group 3 Late cessation (Drop out after early PREMIT maintenance stage)

  Family discouragement diet –

   University education

.58

.15

14.00

1

p < .001

1.78