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. 2018 Jan 11;13(1):e0191148. doi: 10.1371/journal.pone.0191148

Table 2. Analysis of factors associated with chronic laryngitis, according to sex.

Parameter Chronic laryngitis in men Chronic laryngitis in women
No
(n = 4747)
Yes
(n = 187)
P value No
(n = 6256)
Yes
(n = 157)
P value
Tinnitus (%) 3.2 (0.5) 5.9 (1.2) 0.0007* 2.3 (0.3) 2.4 (0.5) 0.8332
Age (years) 44 ± 0.4 49.2 ± 1.1 <0.0001* 45.7 ± 0.3 49.1 ± 1.6 0.0352*
Body mass index (kg/m2) 24.1 ± 0.1 23.8 ± 0.3 0.3166 23.2 ± 0.1 24.1 ± 0.4 0.0230*
Waist circumference (cm) 84.2 ± 0.2 84.1 ± 0.8 0.8856 77.8 ± 0.2 79.9 ± 1.4 0.1408
Vitamin D (ng/mL) 18 ± 0.2 17.8 ± 0.6 0.6967 16.2 ± 0.2 16.3 ± 0.5 0.9392
Current smoker (%) 42.7 (0.9) 51.4 (5.5) 0.1234 5.5 (0.4) 7.9 (2.7) 0.3134
Regular drinker (%) 76.6 (0.8) 78 (4.2) 0.7556 41.7 (0.9) 39.7 (5.2) 0.7192
Routine exercise (%) 24 (0.8) 19.3 (2.8) 0.1292 16.6 (0.7) 23.9 (4.6) 0.0716
Spouse (%) 81.7 (1.1) 88.5 (3.1) 0.0823 74.2 (0.9) 71 (5.1) 0.5229
Job (%) 78.4 (0.8) 78 (4.3) 0.9224 51.3 (0.9) 51.6 (5.3) 0.9546
Residential area: urban (%) 79 (2) 86.1 (4.1) 0.1232 79.2 (2.1) 85 (4.5) 0.2528
Education beyond high school (%) 77.3 (0.9) 68.2 (3.9) 0.0131* 65.3 (1) 56.3 (4.6) 0.0481*
Income: lower quartile (%) 14.1 (0.7) 19.3 (3.8) 0.1297 18.2 (0.8) 17.9 (3.2) 0.9372
Severe stress (%) 25.4 (0.8) 25.7 (4.1) 0.9559 30.8 (0.8) 33.6 (4.4) 0.5175
Depressed mood (%) 9.4 (0.5) 16.5 (4.4) 0.0421* 16.9 (0.6) 20.7 (4.7) 0.3833
Suicidal ideation (%) 10 (0.5) 16 (5.3) 0.1762 18.3 (0.6) 20.9 (4.6) 0.5501
Presence of metabolic syndrome (%) 25.9 (0.8) 34.9 (4.2) 0.0245* 23.8 (0.7) 41.5 (5.4) 0.0002*
Presence of diabetes mellitus (%) 9.2 (0.5) 13.8 (2.9) 0.0657 7 (0.4) 14.4 (3.8) 0.0064*
Presence of hypertension (%) 30.5 (0.9) 37.4 (5) 0.1565 23.4 (0.7) 29.5 (4.5) 0.1501
Recognition of voice change (%) 4.5 (0.4) 18.4 (3.7) <0.0001* 7.1 (0.4) 26.9 (4.9) <0.0001*
≤ 3 weeks (%) 1.8 (0.2) 4.6 (1.9) <0.0001* 3.1 (0.3) 12.8 (3.4) <0.0001*
> 3 weeks (%) 2.6 (0.3) 14.2 (3.6) <0.0001* 3.9 (0.3) 14.2 (3.3) <0.0001*
Unilateral hearing loss (> 40 dB, %) 6.4 (0.5) 7 (1.9) 0.7595 5.5 (0.4) 9.3 (3.1) 0.1223

Total n = 11,347. Data are expressed as the mean ± SE or the percentage (SE).

*Significant at P < 0.05