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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

From: Effectiveness of a diet and physical activity promotion strategy on the prevention of obesity in Mexican school children

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