Research Article
Relative Telomere Length in Peripheral Blood Cells and Hypertension Risk among Mine Workers: A Case-Control Study in Chinese Coal Miners
Table 4
Univariate 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) | 0.729 | 0.873 | 0.405 | 1.882 | 40~50 | 79 (36.7) | 76 (34.2) | 0.835 | 0.924 | 0.439 | 1.943 | >50 | 62 (28.8) | 73 (32.9) | 0.465 | 0.755 | 0.355 | 1.604 | Gender | Male | 194 (90.2) | 200 (90.1) | | | | | Female | 21 (9.8) | 22 (9.9) | 0.960 | 0.984 | 0.524 | 1.847 | Education | College or higher | 16 (7.4) | 28 (12.6) | | | | | Senior middle school | 135 (62.8) | 131 (59.0) | 0.080 | 1.803 | 0.932 | 3.488 | Junior middle school | 54 (25.1) | 56 (25.2) | 0.154 | 1.688 | 0.822 | 3.464 | Primary school and less than primary school | 10 (4.7) | 7 (3.2) | 0.117 | 2.500 | 0.796 | 7.853 | Work type | Hard physical labour | 52 (24.2) | 71 (32.0) | | | | | Light physical labour | 113 (52.6) | 102 (45.9) | 0.069 | 1.513 | 0.968 | 2.365 | Nonphysical labour | 50 (23.3) | 49 (22.1) | 0.222 | 1.393 | 0.818 | 2.372 | Work duration | ≤1 year | 5 (2.3) | 6 (2.7) | | | | | 2~ years | 18 (8.4) | 21 (9.5) | 0.967 | 1.029 | 0.268 | 3.942 | 4~ years | 36 (16.7) | 70 (31.5) | 0.450 | 0.617 | 0.176 | 2.161 | 11~ years | 27 (12.6) | 26 (11.7) | 0.741 | 1.246 | 0.339 | 4.588 | 16~ years | 28 (13.0) | 27 (12.2) | 0.741 | 1.244 | 0.339 | 4.563 | ≥21 years | 101 (47.0) | 72 (32.4) | 0.405 | 1.683 | 0.495 | 5.729 | Workplace | Underground | 52 (24.2) | 71 (32.0) | | | | | Underground auxiliary | 68 (31.6) | 69 (31.1) | 0.235 | 1.346 | 0.824 | 2.197 | Ground | 55 (25.6) | 46 (20.7) | 0.070 | 1.633 | 0.961 | 2.775 | Office workers | 40 (18.6) | 36 (16.2) | 0.155 | 1.517 | 0.854 | 2.696 | BMI | <18.5 | 1 (0.5) | 11 (5.0) | | | | | 18.5~24 | 55 (25.6) | 94 (42.3) | 0.078 | 6.436 | 0.809 | 51.209 | 24~28 | 95 (44.2) | 91 (41.0) | 0.021 | 11.484 | 1.453 | 90.751 | ≥28 | 64 (29.8) | 26 (11.7) | 0.002 | 27.077 | 3.325 | 220.507 | Alcohol consumption | No | 111 (51.6) | 158 (71.2) | | | | | Yes | 104 (48.4) | 64 (28.8) | <0.001 | 2.313 | 1.559 | 3.433 | Current smoking | No | 89 (41.4) | 124 (55.9) | | | | | Yes | 126 (58.6) | 98 (44.1) | 0.003 | 1.791 | 1.226 | 2.617 | Tea consumption | No | 138 (64.2) | 138 (62.2) | | | | | Yes | 77 (35.8) | 84 (37.8) | 0.661 | 0.917 | 0.621 | 1.352 | RTL | <0.57927 | 66 (30.7) | 44 (19.8) | | | | | 0.57927~1.45126 | 91 (42.3) | 127 (57.2) | 0.002 | 0.478 | 0.299 | 0.762 | >1.45126 | 58 (27.0) | 51 (23.0) | 0.311 | 0.758 | 0.444 | 1.296 |
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and the difference is statistically significant. Abbreviations: RTL: relative telomere length; BMI: body mass index. |