Table 3

Logistic Ordinal Model to observe the probability of change in BMI from Normal to Overweight and Overweight to Obesity, by stage and intervention period

BMI

Odds Ratio (OR)

p

95% Confidence Interval

Overweight

Treatment (TR) (control)

1.00

Treatment (TR) (intervention)

0.45

0.243

0.12

1.71

Stage (baseline)

1.00

Stage (final)

0.93

0.413

0.77

1.11

Interaction TR*stage

0.89

0.225

0.73

1.11

Sex(female)

0.8

0.135

0.6

1.1

Age

0.82

0.513

0.78

1.13

SEI (Low)

1.00

SEI(Medium)

1.51

0.011

1.10

2.07

SEI(High)

1.82

< 0.001

1.30

2.56

Carbohydrates

0.99

0.259

0.99

1.00

Lipids

1.05

0.229

1.01

1.01

PA (moderate actives)

1.01

0.573

0.79

1.52

PA (actives)

1.03

0.843

0.79

1.32

Eating notes

1.02

0.551

0.94

1.11

PA notes

0.93

0.209

0.82

1.04

PA auto-efficacy notes

1.15

< 0.001

1.07

1.24

Eating auto-efficacy notes

0.92

0.099

0.83

1.02

Interaction TR* Carbohydrates

0.99

0.060

0.99

1.00

Interaction TR* PA notes

1.16

0.090

0.98

1.37

Obesity

Treatment (TR) (control)

1.00

Treatment (TR) (intervention)

0.34

0.251

0.06

2.13

Stage(baseline)

1.00

Stage(final)

1.29

0.065

0.98

1.70

Interaction TR*stage

0.68

0.010

0.51

0.91

Sex(female)

0.56

0.002

0.39

0.80

Age

0.89

0.399

0.68

1.17

SEI (Low)

1.00

SEI (Medium)

168

0.041

1.02

2.75

SEI(High)

2.99

< 0.001

1.83

4.91

Carbohydrates

1.00

0.705

0.99

1.00

Lipids

0.99

0.270

0.98

1.00

PA (moderate actives)

0.83

0.436

0.51

1.34

PA (actives)

1.06

0.747

0.73

1.55

Eating notes

1.07

0.237

0.95

1.21

PA notes

0.87

0.146

0.73

1.05

PA auto-efficacy notes

1.12

0.042

1.00

1.24

Eating auto-efficacy notes

0.90

0.130

0.79

1.03

Interaction TR* Carbohydrates

0.99

0.200

0.99

1.00

Interaction TR* PA notes

1.29

0.044

1.01

1.59

Shamah Levy et al. BMC Public Health 2012 12:152   doi:10.1186/1471-2458-12-152