Occupational Noise-Induced Pre-Hypertension and Determinant Factors Among Metal Manufacturing Workers in Gondar City Administration, Northwest Ethiopia

Figures & data

Table 1 Socio-Demographic and Work-Related Characteristics of Study Participants Among Metal Workers at Gondar City, Northwest Ethiopia, 2021 (N=300)

Variables	Category	Frequency	Percentage
Sex	Male	283	94.3
	Female	17	5.7
Age (years)	18–29	103	34.3
	30–44	106	35.3
	45–65	91	30.3
BMI (kg/m^2)	<18.5	3	1
	18.5–24.9	277	92.4
	25–29.5	20	6.6
Marital status	Single	139	46.3
	Married	125	41.7
	Divorced	20	7
	Windowed	16	5
Educational levels	Illiterate	18	6
	Primary school	83	27.7
	Secondary school	93	31
	Diploma and above	106	35.3
Alcohol consumption	Drinker	117	39
	Non-drinker	183	61
Smoking cigarette	Smoker	107	34.7
	Non-smoker	193	65.3
The working area noise level (dB)	<85	143	47.3
	85–90	157	52.7
Current working experience (years)	1–5	107	36
	6–10	90	30
	>10	102	34

Figure 1 Prevalence of Noise-induced prehypertension among metal factory workers in Gondar city, Ethiopia, 2022.

Table 2 Bivariable and Multivariable Logistic Regression Analysis of Noise-Induced Prehypertension Along with Explanatory Variables

Variable	Category	Hypertension		Odds Ratio
				COR (95% CI) AOR (95% CI)
		Yes	No
Age (years)	18–29	11 (10.7%)	92 (89.3%)	1	1
	30–44	29 (27.4%)	77 (72.6%)	1.98 (1.05–3.73)	2.27 (0.76–6.74)
	45–65	52 (52.1%)	39 (47.9%)	10.56 (5.09–21.9)	9.8 (5.4–12.9)**
Cigarette smoking status	Smoker	62 (57.9%)	45 (42.1%)	6.75 (3.87–11.76)	3.6 (1.36–9.77)**
	Non-smoker	30 (15.5%)	163 (84.5%)	1	1
Alcohol consumption	Drinker	50 (37%)	85 (63%)	4.26 (2.48–7.13)	2.4 (1.01–6.04)*
	Non-drinker	42 (25.5%)	123 (74.5%)	1	1
Working area noise level, dB(A)	<85	17 (11.9%)	126 (88.1%)	1	1
	85–90	75 (47.8%)	82 (52.2%)	18.9 (9.67–37.16)	3.8 (2.8–5.9)**
Work experience	6 months–5 years	12 (13%)	96 (88.9%)	1	1
	6–10 years	29 (31.5%)	61 (67.8%)	7.3 (2.86–18.16)	2.8 (1.98–5.97)**
	>10 years	51 (55.4%)	51 (38.2%)	34 (13.5–88.39)	4.8 (2.8–7.75)**

Notes: Hosmer–Lemeshow=0.27, *p≤0.05, **p≤0.001.