Research Article
Relative Telomere Length in Peripheral Blood Cells and Hypertension Risk among Mine Workers: A Case-Control Study in Chinese Coal Miners
Table 5
Multifactor logistic regression of EH and other variables.
| Characteristics | Case | Control | value | OR | 95% CI | (%) | (%) | Upper limit | Lower limit |
| Age | ≤30 | 18 (8.4) | 16 (7.2) | | | | | 30~40 | 56 (26.0) | 57 (25.7) | 0.246 | 0.557 | 0.208 | 1.496 | 40~50 | 79 (36.7) | 76 (34.2) | 0.059 | 0.371 | 0.133 | 1.037 | >50 | 62 (28.8) | 73 (32.9) | 0.010 | 0.241 | 0.081 | 0.716 | Gender | Male | 194 (90.2) | 200 (90.1) | | | | | Female | 21 (9.8) | 22 (9.9) | 0.890 | 0.943 | 0.409 | 2.172 | Education | College or higher | 16 (7.4) | 28 (12.6) | | | | | Senior middle school | 135 (62.8) | 131 (59.0) | 0.175 | 1.811 | 0.768 | 4.266 | Junior middle school | 54 (25.1) | 56 (25.2) | 0.090 | 2.422 | 0.872 | 6.728 | Primary school and less than primary school | 10 (4.7) | 7 (3.2) | 0.101 | 3.470 | 0.785 | 15.344 | Work type | Hard physical labour | 52 (24.2) | 71 (32.0) | | | | | Light physical labour | 113 (52.6) | 102 (45.9) | 0.390 | 1.336 | 0.691 | 2.582 | Nonphysical labour | 50 (23.3) | 49 (22.1) | 0.352 | 1.524 | 0.627 | 3.705 | Work duration | ≤1 year | 5 (2.3) | 6 (2.7) | | | | | 2~ years | 18 (8.4) | 21 (9.5) | 0.842 | 0.861 | 0.196 | 3.779 | 4~ years | 36 (16.7) | 70 (31.5) | 0.687 | 0.749 | 0.183 | 3.060 | 11~ years | 27 (12.6) | 26 (11.7) | 0.634 | 1.429 | 0.328 | 6.227 | 16~ years | 28 (13.0) | 27 (12.2) | 0.697 | 1.343 | 0.305 | 5.917 | ≥21 years | 101 (47.0) | 72 (32.4) | 0.181 | 2.605 | 0.641 | 10.588 | Workplace | Underground | 52 (24.2) | 71 (32.0) | | | | | Underground auxiliary | 68 (31.6) | 69 (31.1) | 0.429 | 1.310 | 0.672 | 2.554 | Ground | 55 (25.6) | 46 (20.7) | 0.332 | 1.466 | 0.677 | 3.175 | Office workers | 40 (18.6) | 36 (16.2) | 0.220 | 1.781 | 0.709 | 4.475 | BMI | <18.5 | 1 (0.5) | 11 (5.0) | | | | | 18.5~24 | 55 (25.6) | 94 (42.3) | 0.086 | 6.659 | 0.766 | 57.906 | 24~28 | 95 (44.2) | 91 (41.0) | 0.032 | 10.580 | 1.222 | 91.600 | ≥28 | 64 (29.8) | 26 (11.7) | 0.004 | 23.914 | 2.682 | 213.214 | Alcohol consumption | No | 111 (51.6) | 158 (71.2) | | | | | Yes | 104 (48.4) | 64 (28.8) | 0.002 | 2.103 | 1.311 | 3.375 | Current smoking | No | 89 (41.4) | 124 (55.9) | | | | | Yes | 126 (58.6) | 98 (44.1) | 0.014 | 1.812 | 1.126 | 2.916 | Tea consumption | No | 138 (64.2) | 138 (62.2) | | | | | Yes | 77 (35.8) | 84 (37.8) | 0.037 | 0.609 | 0.383 | 0.970 | RTL | <0.57927 | 66 (30.7) | 44 (19.8) | | | | | 0.57927~1.45126 | 91 (42.3) | 127 (57.2) | 0.018 | 0.529 | 0.312 | 0.897 | >1.45126 | 58 (27.0) | 51 (23.0) | 0.551 | 0.827 | 0.443 | 1.544 |
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and the difference is statistically significant. Abbreviations: RTL: relative telomere length; BMI: body mass index. |