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Table 3 Odds ratio of increase in weight according to iso-energetic substitution of dietary macronutrients

From: The association of dietary macronutrients with anthropometric changes, using iso-energetic substitution models: Tehran lipid and glucose study

Type of macronutrient Substitution

All

Men

Women

OR

95% CI

OR

95% CI

OR

95% CI

Carbohydrate ↑

 Fat ↓

0.96

0.92–1.00

0.98

0.91–1.05

0.94

0.89–1.00*

 Protein ↓

0.94

0.86–1.02

0.92

0.79–1.05

0.96

0.85–1.07

Carbohydrate ↑

 SFA ↓

0.94

0.89–0.99

0.96

0.88–1.04

0.92

0.86–0.99

 MUFA ↓

0.91

0.85–0.97

0.90

0.82–0.10

0.91

0.84–0.99

 PUFA ↓

0.98

0.89–0.99

0.94

0.86–1.02

0.94

0.87–1.01

 Protein ↓

0.91

0.85–0.97

0.91

0.83–1.01

0.91

0.84–0.99

Carbohydrate ↑

 Fat ↓

0.96

0.92–1.01

0.99

0.92–1.07

0.96

0.90–1.02

 Plant Protein ↓

0.94

0.86–1.02

0.89

0.77–1.03

0.96

0.85–1.07

 Animal Protein ↓

0.94

0.86–1.02

0.91

0.79–1.05

0.95

0.85–1.07

Carbohydrate ↑

 SFA ↓

0.94

0.89–0.10

0.99

0.90–1.08

0.93

0.86–1.01

 MUFA ↓

0.91

0.85–0.97

0.93

0.84–1.03

0.92

0.84–1.00

 PUFA ↓

0.97

0.89–0.10

0.99

0.87–1.05

0.95

0.88–1.02

 Plant Protein ↓

0.91

0.85–0.97

0.91

0.82–1.01

0.91

0.84–0.99

 Animal Protein ↓

0.91

0.85–0.97

0.93

0.84–1.04

0.91

0.84–0.99

Plant protein ↑

 Animal protein ↓

1.01

0.99–1.02

0.81

0.63–0.98

1.01

0.98–1.03

 Carbohydrate ↓

0.97

0.90–1.05

0.79

0.61–0.95

0.93

0.84–1.03

 Fat ↓

0.98

0.91–1.06

0.82

0.64–0.97

0.93

0.84–1.04

Plant protein ↑

 Animal protein ↓

0.76

0.57–0.10

0.68

0.44–1.06

0.85

0.58–1.23

 Starch ↓

0.96

0.87–1.05

0.76

0.57–0.10

0.94

0.83–1.06

 Non-starch ↓

0.75

0.57–0.10

0.65

0.42–1.02

0.87

0.61–1.29

 Fat ↓

0.75

0.57–0.10

0.65

0.42–1.01

0.87

0.60–1.27

Plant protein ↑

 Animal protein ↓

1.00

0.99–1.02

0.79

0.61–0.98

1.01

0.98–1.03

 Carbohydrate ↓

0.96

0.89–1.03

0.74

0.57–0.85

0.92

0.83–1.03

 SFA ↓

0.99

0.92–1.07

0.82

0.63–0.99

0.96

0.86–1.07

 MUFA ↓

0.98

0.91–1.06

0.79

0.61–1.02

0.95

0.85–1.06

 PUFA ↓

0.97

0.90–1.05

0.76

0.59–0.98

0.93

0.84–1.04

Plant protein ↑

 Animal protein ↓

0.72

0.54–0.96

0.60

0.38–0.95

0.87

0.59–1.27

 Starch ↓

0.95

0.86–1.04

0.71

0.53–0.93

0.94

0.83–1.07

 Non-starch ↓

0.73

0.55–0.97

0.55

0.35–0.88

0.90

0.62–1.32

 SFA ↓

0.74

0.56–0.99

0.60

0.38–0.95

0.90

0.61–1.31

 MUFA ↓

0.75

0.57–1.00

0.63

0.40–0.99

0.89

0.61–1.30

 PUFA ↓

0.72

0.54–0.96

0.56

0.35–0.89

0.88

0.60–1.28

  1. OR Odds ratio, CI Confidence interval, SFA Saturated fatty acid, MUFA Mono-unsaturated fatty acids, PUFA Poly-unsaturated fatty acids, Non-starch carbohydrates: simple sugars
  2. Weight (kg) change was calculated by subtracting the weight at baseline from their measurements at follow up; increase in weight was defined if weight was positive or > 0. The percentage of energy from macronutrients divides by 5 to calculate one unit of each macronutrient. Logistic regression analysis was applied to estimate OR of weight change for the iso-energetic increase (↑) of 1 unit of percentage of energy from one macronutrient at the expense of another (↓). Models were adjusted for baseline age (continuous), sex (except sex strata), physical activity (low, moderate and high), smoking (former and current smoker/never smoked), education level (> 12 and ≤ 12 years of education), baseline BMI and energy intake