Health study of 11,800 workers under occupational noise in Xinjiang

BMC Public Health

Table 2 Analysis of occupational health examination results by gender and nationality

	Total	Gender				Nationality
	Total	Male	Female	t/χ²	P	Han	Minorities	t/χ²	P-value
AGE (Years, \( \overline{x} \) ±s)	35.23 ± 9.75	35.25 ± 9.89	35.02 ± 8.47	0.760	0.451	35.27 ± 9.86	34.90 ± 8.84	1.214	0.232
Working-age (Years, \( \overline{x} \) ±s)	6.65 ± 7.61	6.78 ± 7.78	5.47 ± 5.78	5.603	0.003	6.65 ± 7.56	6.74 ± 8.14	0.394	0.701
ECG
Normal (n)	7502	6731	771	2.475	0.116	6793	709	9.128	0.003
Abnormal (n)	4298	3895	403	2.475	0.116	3817	481	9.128	0.003
PB
Normal (n)	9750	8765	985	1.474	0.225	8759	991	0.390	0.532
Abnormal (n)	2050	1861	189	1.474	0.225	1851	199	0.390	0.532
PTA
Normal (n)	10,853	9708	1145	54.507	<0.001	9728	1125	11.780	0.001
Abnormal (n)	947	918	29	54.507	<0.001	882	65	11.780	0.001
Medical examination results
Normal (n)	2333	2106	227	0.156	0.693	7089	758	4.666	0.031
Abnormal (n)	9467	8520	947	0.156	0.693	3521	432	4.666	0.031

ISSN: 1471-2458