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To describe the results of a nutritional intervention programme among Japanese-Brazilians according to gender.
Design
A non-controlled experimental study.
Setting
The research included three points of clinical, nutritional and physical activity evaluation: at baseline (in 2005), after the first year and at the end of the second year (in 2007). The paired Student t test and multiple linear regression analysis were used to evaluate changes in the subjects’ profile (clinical, nutritional and physical activity variables).
Subjects
Japanese-Brazilians (n 575) of both genders, aged over 30 years.
Results
We verified statistically significant reductions in body weight (0·9 kg), waist circumference (2·9 cm), blood pressure, fasting blood glucose (>3 mg/dl) and total cholesterol (>20 mg/dl) and its fractions, in both genders. We also found reductions in intake of energy (among men), protein (among women) and fat (both genders) and increases in intake of total fibre (among women) and carbohydrate (among men).
Conclusions
The intervention programme indicated meaningful benefits for the intervention subjects, with changes in their habits that led to a ‘healthier’ lifestyle positively impacting their nutritional and metabolic profile.
To evaluate the impact of a low-cost nutritional intervention in changing the lifestyle of adults.
Design
Randomised clinical trial.
Setting
Primary health-care centre in São José do Rio Preto, São Paulo State, Brazil.
Subjects
We randomly assigned 104 adults (83 women and 21 men aged 30–65 years, body mass index 24–35 kg m−2, non-diabetic) into two groups: nutrition counselling and control. Each subject in the intervention group received three individualised nutritional counselling sessions during the first 6 months aimed at increasing intakes of fruits, vegetables and olive oil, reducing saturated fat and improving physical activity. Body composition, biochemical indicators and lifestyle were assessed at baseline and at 6 months and 1 year in both groups.
Results
After 6 months of follow-up, body weight, waist circumference, diastolic blood pressure, fasting blood glucose, total and low-density lipoprotein cholesterol, total and saturated fat, and dietary energy and cholesterol levels showed a more significant decrease among subjects in the intervention group than in the control group (P<05). Moreover, the intervention group showed significantly greater improvement in each intervention goal, such as reduced intake of saturated fat and increased intakes of fruits, vegetables, fibre and olive oil (P<0.05). After 12 months of follow-up, most of the outcomes were maintained.
Conclusions
The low-cost nutritional intervention programme improved serum lipids profile and weight control, and appeared to be feasible for use at a primary health-care centre in a developing country.
To evaluate the impact of a low-cost nutritional intervention in changing the lifestyle of adults.
Design
Randomised clinical trial.
Setting
Primary health-care centre in São José do Rio Preto, São Paulo State, Brazil.
Subjects
We randomly assigned 104 adults (83 women and 21 men aged 30–65 years, body mass index 24–35 kg m−2, non-diabetic) into two groups: nutrition counselling and control. Each subject in the intervention group received three individualised nutritional counselling sessions during the first 6 months aimed at increasing intakes of fruits, vegetables and olive oil, reducing saturated fat and improving physical activity. Body composition, biochemical indicators and lifestyle were assessed at baseline and at 6 months and 1 year in both groups.
Results
After 6 months of follow-up, body weight, waist circumference, diastolic blood pressure, fasting blood glucose, total and low-density lipoprotein cholesterol, total and saturated fat, and dietary energy and cholesterol levels showed a more significant decrease among subjects in the intervention group than in the control group (P<05). Moreover, the intervention group showed significantly greater improvement in each intervention goal, such as reduced intake of saturated fat and increased intakes of fruits, vegetables, fibre and olive oil (P<0.05). After 12 months of follow-up, most of the outcomes were maintained.
Conclusions
The low-cost nutritional intervention programme improved serum lipids profile and weight control, and appeared to be feasible for use at a primary health-care centre in a developing country.
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