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THIS SOFTWARE IS FOR REFERENCE ONLY. IT DOES NOT CONSTITUTE PROFESSIONAL OR MEDICAL ADVICE. THE AUTHORS OR COPYRIGHT HOLDERS BEARS NO OBLIGATION TO ANY LIABILITY INFLICTED.

THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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How to measure waist circumference

Waist Circumference Measurement Protocol
(WHO standard method)

Measurement site: Midway between the 10th rib and the iliac crest

  1. Ensure your abdomen is unobstructed by clothing
  2. Stand relaxed, with both feet slightly apart in a straight and upright position
  3. Use your hands to locate your lowest palpable rib and use a pen to draw a horizontal line that represents it
  4. Use your hand to locate the highest point (iliac crest) on your hip bone and use a pen to draw a horizontal line that represents it
  5. Measure the mid-point between the 2 horizontal lines and use a pen to draw a horizontal line at this midpoint (the 3rd line)
  6. Repeat steps 2, 3, 4 on the other side
  7. Place the inferior edge of a nonstretchable measuring tape around your waist at the midpoint horizontal line (the 3rd line)
  8. Check each side to make sure that the tape crosses over the midpoint horizontal line
  9. Ensure the tape is parallel to the floor and fits snugly but does not compress the skin
  10. Take the waist circumference measurement at the end of a normal expiration

Hongkongers' Health Calculator

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Summary
Gender
Age
Weight
Height

Your age and gender is a crucial factor in determining your health. So please enter your age and gender first.

Gender
Age
AlertOptional

If no reliable measure of blood pressure is available, please skip this part.

AlertUnavailable

To ensure accuracy, this Blood Pressure tool is available only to adults.

Systole / Diastole
/
Alarm
Caution: unreliable data will bias your result.

Your age and gender is a crucial factor in determining your health. So please enter your age and gender first.

Gender
Age
AlertOptional

If no reliable measure is available, please skip this part.
For a cross-gender way to measure your waist circumference, please read .

Alarm
Caution: unreliable data will bias your result.

B.M.I.

Waist Circumference

Blood Pressure

NO DATA

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About this website

In December 2014, this application was commissioned by the Knowledge Exchange Impact Project Coordinator in the School of Nursing of the University of Hong Kong. This application aims at facilitating fellow Hongkongers' monitoring of their health status, regardless of their age and gender.

Disclaimer

This software is for reference only. It does not constitute professional or medical advice. The authors or copyright holders bears no obligation to any liability inflicted.

This software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.

All rights reserved.

Credits

This website is supported by the Knowledge Exchange Fund granted by the University Grants Committee and the School of Nursing of the University of Hong Kong. The Department of Paediatrics of the Chinese University of Hong Kong has kindly provided waist circumference and BMI reference data of Hong Kong children and adolescents for the development of the application.

References:

  • International Diabetes Federation. (2007). The IDF consensus definition of the metabolic syndrome in children and adolescents. Belgium: International Diabetes Federation.
  • Leung, S. S., Lau, J. T., Tse, L. Y., & Oppenheimer, S. J. (1996). Weight-for-age and weight-for-height references for Hong Kong children from birth to 18 years. J Paediatr Child Health, 32 (Journal Article), 103-109.
  • So, H. K., Nelson, E., Li, A., Wong, E., Lau, J., Guldan, G.S., Mak, K.H., Wang, Y., Fok, T.F.,. Sung, R.Y. (2008). Secular changes in height, weight and body mass index in Hong Kong Children. BMC Public Health, 8(1), 320.
  • Sung, R. Y., Yu, C. C. W., Choi, K. C., McManus, A., Li, A. M. C., Xu, S. L. Y., Chan, D., Lo, A.F.C., Chan, J.C.N., Fok, T. F. (2007). Waist circumference and body mass index in Chinese children: cutoff values for predicting cardiovascular risk factors. International Journal of Obesity, 31, 550-558.
  • Task Force on Conceptual Model and Preventive Protocol of the Working Group on Primary Care. (2013). Hong Kong Reference Framework for Hypertension Care for Adults in Primary Care Settings. from http://www.pco.gov.hk/english/resource/files/e_hypertension_care.pdf
  • World Health Organization. (2008). WHO STEPwise approach to surveillance(STEPS). Geneva, World Health Organization (WHO).

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