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BMC Public Health. 2019 Mar 8;19(1):281. doi: 10.1186/s12889-019-6610-y.

Personal ultraviolet Radiation exposure in a cohort of Chinese mother and child pairs: the Chinese families and children study.

Author information

1
University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland, 4558, Australia. mkimlin@usc.edu.au.
2
Cancer Council Queensland, Brisbane, Australia. mkimlin@usc.edu.au.
3
National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050, Beijing, China. fangliwen@ncncd.chinacdc.cn.
4
National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050, Beijing, China.
5
US Centers for Disease Control and Prevention, Atlanta, GA, USA.
6
Laoting County Maternal and Child Health Hospital, Laoting, Hebei, China.
7
Taicang County Maternal and Child Health Hospital, Taicang, Jiangsu, China.
8
Chinese Center for Disease Control and Prevention, Beijing, China.
9
National Cancer Institute (NIH) - Division of Cancer Epidemiology and Genetics, Bethesda, MD, USA.
10
National Cancer Institute, Office of Dietary Supplements, Bethesda, MD, USA.
11
National Cancer Institute, Center for Global Health, Bethesda, MD, USA.
12
University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland, 4558, Australia.

Abstract

BACKGROUND:

Few studies in China have examined personal ultraviolet radiation (UVR) exposure using polysulfone dosimetry.

METHODS:

In this study, 93 mother and adolescent child pairs (N = 186) from two locations in China, one rural (higher latitude) and one urban (lower latitude), completed 3 days of personal UVR dosimetry and a sun/clothing diary, as part of a larger pilot study.

RESULTS:

The average daily ambient UVR in each location as measured by dosimetry was 20.24 Minimal Erythemal Doses (MED) in the rural location and 20.53 MED in the urban location. Rural mothers had more average daily time outdoors than urban mothers (5.5 h, compared with 1.5 h, in urban mothers) and a much higher daily average personal UVR exposure (4.50 MED, compared with 0.78 MED in urban mothers). Amongst adolescents, rural males had the highest average daily personal UVR exposure, followed by rural females, urban females and urban males (average 2.16, 1.05, 0.81, and 0.48 MED, respectively).

CONCLUSIONS:

Although based on small numbers, our findings show the importance of geographic location, age, work/school responsibilities, and sex of the adolescents in determining personal UVR exposure in China. These results suggest that latitude of residence may not be a good proxy for personal UVR exposure in all circumstances.

KEYWORDS:

Chinese; Cohort; Dosimetry; Mothers and child pairs; Ultraviolet radiation

PMID:
30849990
PMCID:
PMC6408854
DOI:
10.1186/s12889-019-6610-y
[Indexed for MEDLINE]
Free PMC Article

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