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Table 3 Predictors of engagement: multivariable results

From: Design programmes to maximise participant engagement: a predictive study of programme and participant characteristics associated with engagement in paediatric weight management

 

Multivariable Model Results

OR

95% Confidence Interval

p-value

Model 1: Completer (n = 1387) vs. Non-Completion (n = 1561)

  Constant a

0.398

(0.278, 0.571)

<0.001

 Ethnicityb

1.028

(0.835, 1.264)

0.80

 IMD Score

1.005

(1.000, 1.010)

0.04

 BMI SDS

1.111

(1.020, 1.211)

0.02

 Programme Year

1.130

(1.066, 1.199)

<0.001

 Group Sizeb

1.207

(1.028, 1.417)

0.02

 Delivery Periodb

   

   January Intake

Reference Category

   April Intake

1.284

(1.077, 1.530)

0.01

   September Intake

1.261

(1.046, 1.520)

0.02

Model 2: Continuer (n = 2400) vs. Initiator (n = 548)

  Constant

0.079

(0.049, 0.127)

<0.001

 Ethnicityb

0.637

(0.492, 0.825)

<0.001

 IMD Score

1.003

(0.997, 1.009)

0.27

 BMI SDS

1.091

(0.976, 1.220)

0.12

 Programme Year

1.178

(1.090, 1.272)

<0.001

 Group Sizeb

1.399

(1.141, 1.714)

<0.001

 Delivery Periodb

   

   January Intake

Reference Category

   April Intake

1.318

(1.054, 1.648)

0.02

   September Intake

1.363

(1.069, 1.739)

<0.001

Model 3: Completer (n = 1387) vs Late Dropout (n = 380)

  Constant

0.097

(0.054, 0.173)

<0.001

 Ethnicityb

0.823

(0.603, 1.125)

0.22

 IMD Score

1.002

(0.994, 1.009)

0.64

 BMI SDS

1.178

(1.023, 1.357)

0.02

 Programme Year

1.167

(1.066, 1.278)

<0.001

 Group Sizeb

0.957

(0.743, 1.232)

0.73

 Delivery Periodb

   

   January Intake

Reference Category

   April Intake

1.397

(1.064, 1.834)

0.02

   September Intake

1.180

(0.874, 1.594)

0.28

Model 4: Completer (n = 1378) vs. Sporadic Attender (n = 633)

  Constant

0.214

(0.134, 0.343)

<0.001

 Ethnicityb

1.565

(1.153, 2.124)

0.01

 IMD Score

1.006

(1.000, 1.013)

0.04

 BMI SDS

1.065

(0.949, 1.195)

0.28

 Programme Year

1.032

(0.954, 1.117)

0.09

 Group Sizeb

1.196

(0.970, 1.474)

0.09

 Delivery Periodb

   

   January Intake

Reference Category

   April Intake

1.123

(0.891, 1.414)

0.33

   September Intake

1.165

(0.913, 1.485)

0.22

Model 5: High- (n = 346) vs. Low- (n = 287) Sporadic Attender

  Constant

0.510

(0.228, 1.144)

0.10

 Ethnicityb

1.539

(0.980, 2.419)

0.06

 IMD Score

1.010

(1.000, 1.021)

0.05

 BMI SDS

0.863

(0.718, 1.038)

0.12

 Programme Year

1.104

(0.956, 1.275)

0.18

 Group Sizeb

1.358

(0.954, 1.933)

0.09

 Delivery Periodb

   

   January Intake

Reference Category

   April Intake

0.763

(0.517, 1.125)

0.17

   September Intake

0.880

(0.583, 1.330)

0.55

  1. a Constant = Intercept of the Regression Line (β0)
  2. bCategorical variables
  3. Model 1: R 2 = 0.014-0.015 (Cox & Snell), 0.019-0.021 (Nagelkerke). Model χ2 (7) = 42.99-45.82
  4. Model 2: R 2 = 0.013-0.017 (Cox & Snell), 0.021-0.027 (Nagelkerke). Model χ2 (7) = 39.18-50.00
  5. Model 3: R 2 = 0.012-0.014 (Cox & Snell), 0.018-0.021 (Nagelkerke). Model χ2 (7) = 20.64-24.34
  6. Model 4: R 2 = 0.011-0.022 (Cox & Snell), 0.015-0.031 (Nagelkerke). Model χ2 (7) = 22.22-45.11
  7. Model 5: R 2 = 0.045-0.062 (Cox & Snell), 0.060-0.083 (Nagelkerke). Model χ2 (7) = 29.12-40.41