Relative Telomere Length in Peripheral Blood Cells and Hypertension Risk among Mine Workers: A Case-Control Study in Chinese Coal Miners

Table 2

One-way ANOVA of influencing factors of age-adjusted RTL (control group).

Characteristics		(%)	Age-adjusted RTL	value
Gender	Male	200 (90.1)		0.531
	Female	22 (9.9)
Education	College or higher	28 (12.6)		0.937
	Senior middle school	131 (59.0)
	Junior middle school	56 (25.2)
	Primary school and less than primary schoolwork	7 (3.2)
Work type	Hard physical labour	71 (32.0)		0.043
	Light physical labour	102 (45.9)
	Nonphysical labour	49 (22.1)
Work duration	≤1 year	6 (2.7)		0.528
	2~ years	21 (9.5)
	4~ years	70 (31.5)
	11~ years	26 (11.7)
	16~ years	27 (12.2)
	≥21 years	72 (32.4)
Workplace	Underground	71 (32.0)		0.080
	Underground auxiliary	69 (31.1)
	Ground	46 (20.7)
	Office workers	36 (16.2)
BMI	<18.5	11 (5.0)		0.338
	18.5~24	94 (42.3)
	24~28	91 (41.0)
	≥28	26 (11.7)
Alcohol consumption	No	158 (71.2)		0.024
	Yes	64 (28.8)
Current smoking	No	124 (55.9)		0.469
	Yes	98 (44.1)
Tea consumption	No	138 (62.2)		0.414
	Yes	84 (37.8)

Values are expressed as . and the difference is statistically significant. Abbreviations: RTL: relative telomere length; BMI: body mass index.