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- Trends in overweight and obesity in Portugal : the National Health Surveys 1995 to 1996 and 1998 to 1999Publication . Marques-Vidal, Pedro; Matias Dias, CarlosObjective: To assess overweight and obesity trends in the Portuguese population. Research methods and procedures: National Health Surveys, conducted in 1995-6 (17,989 men; 20,249 women) and 1998-9 (17,923 men; 20,302 women), were used. Results: In men, the prevalence of overweight and obesity increased from 39.9% (95% CI: 39.2 to 40.6) and 10.3% (95% CI: 9.9 to 10.7), respectively, in 1995-6, to 42.5% (95% CI: 41.8 to 43.2) and 11.5% (95% CI: 11.0 to 12.0), respectively, in 1998-9. In women, prevalence of obesity increased from 12.7% (95% CI: 12.2 to 13.2) in 1995-6 to 14.2% (95% CI: 13.7 to 14.6) in 1998-9, whereas the prevalence of overweight remained stable: 32.2% (95% CI: 31.6 to 32.9) in 1995-6 and 32.3% (95% CI: 31.6 to 32.9) in 1998-9. In men, prevalence of overweight and obesity were higher among former smokers and educational group of 6 to 12 years, and prevalence of obesity was higher in the Lisbon region. In women, prevalence of overweight and obesity were higher among never smokers, and prevalence of obesity was higher among educational group of -6 years. Prevalence of obesity was higher in the Alentejo region, and overweight was higher in the Center region. Finally, prevalence of obesity increased in both sexes for all strata studied (age, smoking status, educational level, and geographic region), whereas prevalence of overweight increased only in men. Discussion: In Portugal, overweight and obesity levels are related to sociodemographic factors; the increase in obesity levels stresses the need for preventive measures.
- Trends and determinants of alcohol consumption in Portugal : results from the national health surveys 1995 to 1996 and 1998 to 1999Publication . Marques-Vidal, Pedro; Matias Dias, CarlosBackground: There is very little information on trends and determinants of alcohol consumption in the Portuguese population, which is usually characterized by high wine consumption. Methods: A cross-sectional studies was conducted in 1995/1996 and 1998/1999 in a representative sample of 0.5% of the mainland Portuguese population (49,768 participants in 1995/1996 and 48,606 in 1998/1999), aged 15 years or more. Alcohol consumption was assessed by asking whether the participants had consumed alcohol in the previous week and how many drinks of wine/beer/whiskey/Port wine they consumed on average during that week. Results: Prevalence of reported alcohol consumption decreased slightly between 1995/1996 and 1998/1999 (men: 65.7 vs. 64.0%, p < 0.001; women: 26.9 vs. 26.0%, p < 0.001). Among drinkers, the most frequently consumed alcoholic beverage was wine, followed by beer, whiskey, and Port wine. The amount of alcohol and wine consumed decreased in both sexes, whereas the amount of beer, whiskey, and Port wine consumed increased in men and the increase in beer consumption was borderline significant in women (p = 0.056). In both sexes, participants <50 years of age tended to consume less wine and more beer, whiskey, and Port wine than their older counterparts. Also, higher education was related to a higher frequency of alcohol consumption, whereas smoking was related to a lower consumption of wine [odds ratio (OR): 0.69 (95% confidence interval [CI]: 0.62-0.77) for men and OR: 0.76 (95% CI: 0.61-0.95) for women] and a higher consumption of beer [OR: 1.43 (95% CI: 1.33-1.54) for men and OR: 2.13 (95% CI: 1.84-2.42) for women and whiskey [OR: 1.28 (95% CI: 1.21-1.35) for men and OR: 2.61 (95% CI: 2.25-3.02) for women]. Conclusions: The pattern of alcohol consumption is changing in Portugal: the prevalence of drinkers is decreasing, and younger generations are shifting from wine to beer and spirits. Educational level seems to be a powerful mediator in the choice of alcoholic beverage.
- Hypnotic consumption in the Portuguese population : data from the National Health Survey 1998-1999Publication . Marques-Vidal, Pedro; Matias Dias, CarlosObjective: To assess the prevalence and factors related to hypnotic intake in Portugal. Methods: Data from the National Health Survey conducted in 1998-1999 in a representative sample of 39 640 subjects aged > 18 years. Subjects were asked if they took hypnotics, for how long and also for how many days they had taken them the previous 2 weeks. Results: Overall, 13% of subjects reported taking hypnotics, and this frequency was higher for women (19%) than for men (7.4%, p < 0.001) and increased from 1.5% among age group [18-25[ to 26.2% among subjects aged > 75 years (p < 0.001). In both genders, the Lisbon region had the higher prevalence (15.4%) and Algarve the lowest (10%, p < 0.001); also ex-smokers the highest (15.4%), and current smokers the lowest prevalence (6.8%, p < 0.001). Women took hypnotics continuously during the previous 2 weeks more frequently than men (75 vs. 70%, p < 0.001), and the main reason for intake also differed between genders (p < 0.001). Finally, 69% of the subjects reported taking hypnotics for more than 3 years, and this prevalence was higher in women (71.6%) than in men (62.0%, p < 0.001). Multivariate analysis showed hypnotic intake to be positively related with age and inversely related with a sedentary lifestyle in both genders, and positively related with smoking and negatively related with obesity in men. Conclusion: A significant percentage of the Portuguese population takes hypnotics in an almost continuous manner, and the intake is related to gender, age, obesity, and physical activity status.