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Survey implications. Sylvia Lam Chairlady, Hong Kong Dietitian Association Accredited Practicing Dietitian of the Dietitians Association of Australia. ?. ?. ?. ?. ?. ?. ?. Which one has the highest energy level (per 100g or ml)?. 1. 2. 3. 350 kcal/100 g. 310 kcal/100 g.
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Survey implications Sylvia Lam Chairlady, Hong Kong Dietitian Association Accredited Practicing Dietitian of theDietitians Association of Australia
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1 2 3 350 kcal/100 g 310 kcal/100 g 130 kcal/100 g 4 5 6 48 kcal/100 mL 44 kcal/100 ml 37 kcal/100 ml Energy levels ranking ( from highest to lowest)
“…100 mL soft drink has a higher energy level than a 100 g pineapple bun” People in Hong Kong could not correctly estimate the energy levels of common foods and beverages ?
? “…I know how many calories I need - 1,000 kcal per day” 50% of people in Hong Kong do not know their energy needs 70% do not consider their energy needs before eating
Energy • Energy supports and maintains the daily operation/metabolism of the human body1 • Energy requirements depend on age, gender, body weight and activity levels1 • Units of energy in food is depicted by kilocalories (kcal or cal) and kilojoules (kJ or Joule) 1. Centre for Food Safety (Available at: http://www.cfs.gov.hk/english/programme/programme_nifl/files/Energy_E.pdf)
Dietitian’s advice….. Understanding the energy and nutrient information of the foods and beverages you eat can help you make informed dietary choices and benefits weight management
Energy recommendations1,2 • Chinese Nutrition Society (China) • Centre of Food Safety (Hong Kong)
Calorie in (food intake) Calorie out(physical activity) Principles of weight management
? “…a balanced diet means no ice-cream, potato chips, chocolate and soft drinks” 44% said some foods and beverages cannot be part of a balanced diet
All foods can fit within a healthy diet, if consumed in appropriate portion size and combined with regular physical activity.“Energy balance is the key to weight management”- American Dietetic Association * Excludes people with chronic diseases
? “…Diet control is more important than exercise for weight management ” 70% misunderstand the principles of weight management
Controlling both diet and increasing physical activities References: International Journal Obesity 1997;21:941–947 Obesity Reviews 2009; 10, 313 – 323 International Journal Obesity 2005;29:1168–1174 Exercise Sport Sciecne Review 2000;28:165–170 Which of the following is the most effective way of weight management? • Controlling diet only (limit calorie intake) • Increasing physical activities only (but no diet control) • Controlling both diet and increasing physical activity
Weight management in Hong Kong: people focus too much on diet control VS
Weight management: diet control and exercise are equally important!! VS
? “…It’s hard to burn calories” 43% said it’s hard to burn calories
How to burn 140 kcal? Half of a pineapple bun 330 mL soft drink
Burning calories is easier than you think Examples of how to burn 140 kcal Walking upstairs: 20 minutes Basketball game: 20 minutes* Shopping: 1 hour and 5 minutes* * WebMD Fitness and Exercise Calorie Calculator. Based on the body weight of 120 lb
Physical activityguidelines for healthy adults under age 651 • Perform moderately intense cardio exercise for 30 minutes a day, 5 days a week. E.g brisk walking. OR • Perform vigorously intense cardio exercise for 20 minutes a day, 3 days a week, E.g. jogging. AND • Perform 8 to 10 groups of strength-training exercise,8 to 12 repetitions of each exercise, twice a week. Moderate-intensity physical activity means working hard enough to raise your heart rate and break a sweat, yet still being able to carry on a conversation. 1. American College of Sports Medicine. Available at: http://www.acsm.org/AM/Template.cfm?Section=Home_Page&TEMPLATE=/CM/HTMLDisplay.cfm&CONTENTID=7764
? “…I don’t feel it’s necessary to read the nutrition label” About 90% of people in Hong Kong do not read the nutrition label on the back of pack of foods and beverages
Take note of the reference food amount in the nutrition label Nutrient content is expressed in several ways: • Per 100 g or ml • Per serving • Per packaging Source: Centre for Food Safety
2.Read and compare by using “per 100 g or ml” Biscuit A Biscuit B Source: Centre for Food Safety
3. Use “per serving” to calculate the energy and nutrient intake Corn flake C Milk A Soup B Source: Centre for Food Safety
? 57% of people do not know where to can find a qualified dietitians.
Take Home Message… • More public education is needed to improve understanding of energy and nutrition information • Encourage people to read nutrition label before purchasing • Food and beverage companies should provide factual and easy to read nutrition label for consumers to make informed dietary choice