Data Sources | Category | Number of indicators | Candidate indicator (s) |
---|---|---|---|
Questionnaire-based indicators | Demographics | 6 | age, gender, marital status, education level, personal average monthly income, familial disease |
Symptom histories | 3 | self-perceived hearing status, tinnitus, ear pain history in the past year | |
Disease histories | 11 | hypertension, diabetes, cerebral haemorrhage, arteriosclerosis, cerebral infection, anemia, migraine, coronary heart disease, otitis media, chronic kidney disease, tumors | |
Behavioral factors | 7 | smoking, secondhand smoking, alcohol drinking, hours of sleep, electronic volume, daily fruit and vegetable intaking, exercise frequency | |
Environmental exposure | 4 | workplace noise exposure, living noise exposure, work stress, life stress | |
Hearing cognitive situation | 4 | pay attention to your hearing, pay attention to hearing protection, regular hearing check, hearing protection skills | |
Blood parameters | Blood routine indices | 21 | eosinophil(EO), basophilic(BA), EO(%), hemoglobin(HGB), lymphocyte(LY), mean corpuscular hemoglobin concentration(MCHC), monocyte(MO), mean platelet volume(MPV), neutrophil(NE), blood platelet count(BPC), RDW, basophilic(%)((BASO(%)), hematocrit(HCT), LY(%), mean corpuscular hemoglobin(MCH), mean corpuscular volume(MCV), MO(%), NE (%), platelet distribution width(PDW), red blood cell(RBC), WBC |
Hepatic function indices | 12 | triglyceride(TG), alanine aminotransferase(ALT), indirect bilirubin (IBIL), direct bilirubin(DBIL), albumin(ALB), total bilirubin(TBIL), blood urea nitrogen(BUN), aspartate aminotransferase(AST), total cholesterol(TC), LDL, HDL, creatinine(CR) |