[Analysis on morbidity rate of residents in Qinghai province in 2006].
OBJECTIVE
The purpose of the study was to understand the epidemiological tendency and distribution of the disease across Qinghai province, so as to serve for the development of a scientific system for prevention and treatment.


METHODS
Multi-stage lamination stochastic group sampling was applied in the study, with 6 counties randomly selected. The total sample size was 19 201 while the study was conducted in the format of indoor visit. For residents younger than 18 years of age, a questionnaire was distributed to them to obtain related basic information. While for those older than 18, an in-depth survey was conducted. In addition to the measurement of height, weight, blood pressure, 10% of the samples underwent a testing on blood sugar. A database was then developed via Epi Data 3.02 and all the data was processed and classified via Foxpro and SPSS 13.0 software.


RESULTS
The overall morbidity rate was 67.76%, with females significantly higher than males. The morbidity rate was fixed at 65.85% after weighted by region. The morbidity rate increased significantly with age. The top 5 diseases identified would include those from digestive system (28.74%), heart cranial vascular (27.27%), rheumatism and bone joint (19.97%), respiratory system (12.46%), biography reproductive system (8.64%) and urinary system (7.39%). Data from by-region analysis showed that the morbidity rate was the highest in pastoral area (70.17%), followed by villages (66.32%) and cities (61.86%), while the kinds of top diseases in those regions were also different. Data from unhealthy lifestyle showed that 22.16% of the provincial population smoked cigarettes, 17.16% drank alcohol, and the rate of obesity was 3.41%.


CONCLUSIONS
Significant differences in morbidity rates among different regions and different genders were found while the prevalence rates of disease significantly increased along with age.
Wang
Xiao-Jie
XJ
Qinghai Center for Disease Control and Prevention, Xining 810007, China.
Zhou
Min-Ru
MR
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000428:Alcohol Drinking; D015992:Body Mass Index; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009017:Morbidity / Q000639:trends*; D015995:Prevalence; D012307:Risk Factors; D012737:Sex Factors; D012907:Smoking; D011795:Surveys and Questionnaires; D055815:Young Adult