Table 1.

Characteristics of healthcare workers by median level of residential noise pollution.

Characteristics	Available N	Overall	< 63 dB Lden (N = 1748)	≥ 63 dB Lden (N = 3668)	P-value
Age (Year), median (Q1, Q3)	5416	31.5 (26.0, 38.8)	28.6 (24.7, 35.5)	32.8 (26.9, 40.0)	< 0.001
Female, n (%)	5416	4103 (75.8)	1326 (75.9)	2777 (75.1)	0.905
Smoking, n (%)	5197	318 (6.1)	113 (6.64)	205 (5.86)	0.271
Alcohol consumption, n (%)	2943	933 (31.7)	334 (32.8)	599 (31.1)	0.348
Body mass index, (kg/m2), median (Q1, Q3)	4999	22.0 (19.9, 24.9)	21.8 (19.6, 24.7)	22.1 (20.0, 25.1)	< 0.001
Working hours (hours), median (Q1, Q3)	2242	42.0 (40.0, 48.0)	40.0 (40.0, 48.0)	42.3 (40.0, 48.0)	0.570
Sleep hours (hours), median (Q1, Q3)	2242	7.0 (6.0, 7.0)	7.0 (6.0, 7.0)	6.5 (6.0, 7.0)	0.027
Hypertension, n (%)	5416	218 (4.0)	54 (3.1)	164 (4.5)	0.016
Diabetes mellitus, n (%)	5416	68 (1.3)	13 (0.7)	55 (1.5)	0.020
Job type, n (%)					< 0.001
Physician group	5416	475 (8.8)	158 (9.0)	317 (8.6)
Nursing group	5416	1393 (25.7)	523 (29.9)	870 (23.7)
Administration group	5416	630 (11.6)	203 (11.6)	427 (11.6)
Medical technician group	5416	500 (9.2)	162 (9.3)	338 (9.2)
Unknown	5416	2418 (44.7)	702 (40.2)	1716 (46.8)
Burnout, personal (score), median (Q1, Q3)	5416	45.8 (33.3, 58.3)	45.8 (33.3, 54.2)	45.8 (33.3, 58.3)	< 0.001
Categorical, n (%)
Level: low (≤ 50)	5416	3644 (67.3)	1252 (71.6)	2392 (65.2)	< 0.001
Level: moderate (51–69)	5416	1010 (18.7)	287 (16.4)	723 (19.7)
Level: high (≥ 70)	5416	762 (14.1)	209 (12.0)	553 (15.1)
Burnout, work-related (score), median (Q1, Q3)	5416	46.4 (35.7, 53.6)	42.9 (35.7, 53.6)	46.4 (35.7, 53.6)	0.001
Categorical, n (%)
Level: low (≤ 45)	5416	2700 (49.9)	930 (53.2)	1770 (48.3)	0.001
Level: moderate (46–59)	5416	1817 (33.6)	565 (32.3)	1252 (34.1)
Level: high (≥ 60)	5416	899 (16.6)	253 (14.5)	646 (17.6)

Q1 first quartile, Q3third quartile.