Question 18N.3.HL.TZ0.a
| Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.HL.TZ0.a |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Compare and contrast | Question number | a | Adapted from | N/A |
The mean systolic blood pressure and body mass index (BMI) of many individuals were measured. The results are displayed in the box plot.
[Reprinted from Obesity Research & Clinical Practice, 9(2), Noritaka Kawada, Kaori Nakanishi, Tohru Ohama, Makoto Nishida, Keiko Yamauchi-Takihara and Toshiki Moriyama, 'Gender differences in the relationship between blood pressure and body mass index during adolescence', pp. 141–151, Copyright (2015), with permission from Elsevier. https://www.sciencedirect.com/journal/obesity-research-and-clinical-practice]
Compare and contrast the relationship between BMI and systolic blood pressure in males and females.
[2]
a. both males and females have higher «mean/range» SBP as weight increases
OR
both males and females have highest SBP for overweight BMI ✔
b. «SPB» males «slightly» greater than females in all BMIs ✔
c. similar values/no/little difference between underweight and normal weight in females but «visible/obvious» difference in males ✔
d. range of SBP narrower in «overweight» females than males ✔
