Figure and Table | Prevalence, Age-Standardized Prevalence, and Incidence Rates of Bilateral High-Frequency Hearing Loss among Japanese Individuals Undergoing Comprehensive Health Checkup System (　) from 2014 to 2020: A Descriptive Study

Table 1. Characteristics of Participants in FY2014 and FY2020.

Participant Characteristics	In FY2014 (N = 55771)	In FY2020 (N = 62634)
Examinees undergoing the Ningen Dock (n, [%])	53497 (95.9)	61558 (98.3)
Men (n, [%])	35449 (60.2)	36351 (58.0)
Age (yrs), mean (SD)	52.0 (11.1)	53.0 (11.5)
Body mass index (kg/m²), mean (SD)	22.7 (3.4)	23.1 (3.6)
Systolic blood pressure (mmHg), mean (SD)	115.7 (14.8)	116.6 (14.6)
Fasting blood glucose (mg/dL), mean (SD)	97.1 (16.4)	99.7 (17.0)
LDL-C (mg/dL), mean (SD)	128.6 (30.7)	127.2 (30.2)
Current regular smoker^a (n, [%])	9478 (17.0)	9013 (14.4)
Drinking every day (n, [%])	9152 (16.4)	8677 (14.2)
Weight gain of ≥10 kg since age 20 years (n, [%])	19510 (35.0)	23141 (38.0)
Under treatment of HT (n, [%])	8501 (15.2)	10656 (17.0)
Under treatment of DM (n, [%])	2097 (3.8)	2828 (4.5)
Under treatment of dyslipidemia (n, [%])	6504 (11.7)	9339 (14.9)

Table 2. Prevalence of Bilateral High-Frequency Hearing Loss (HFHL)^a in 2020.

Age group	Males		Females		p-Value^b
(years)	(%)	(n/N)	(%)	(n/N)	p-Value^b
≤34	0.4	(5/1,159)	0.2	(3/1,417)	0.521
35-39	0.6	(14/2,360)	0.1	(1/1,861)	0.008
40-44	0.9	(41/4,506)	0.3	(9/3,493)	<0.001
45-49	1.5	(88/5,802)	0.3	(12/4,557)	<0.001
50-54	3.5	(199/5,738)	0.5	(21/4,252)	<0.001
55-59	6.3	(360/5,702)	1.1	(43/3,811)	<0.001
60-64	12.2	(556/4,546)	1.7	(52/3,035)	<0.001
65-69	22.9	(683/2,989)	5.9	(116/1,972)	<0.001
70-74	34.6	(772/2,232)	11.2	(144/1,290)	<0.001
75-79	46.5	(425/914)	20.2	(87/430)	<0.001
≥80	61.0	(246/403)	34.5	(57/165)	<0.001

Table 3. Incidence Rate per 1,000 Person-Years of Bilateral High-Frequency Hearing Loss (HFHL)^a between 2014 and 2020.