Table 4 Multivariable logistic regression analysis of active PTB and PAF of high-risk factors among the elderly participants aged 65 or over in China in 2013
Category | Number of participants | Proportion (%) | Adjusted OR (95% CI) | PAF (%) |
|---|---|---|---|---|
Sex | ||||
 Female | 18 212 | 53.14 | ref | – |
 Male | 16 057 | 46.86 | 3.26 (2.34–4.55) | 51.43 |
Age(years) | ||||
 65–74 | 21 685 | 63.28 | ref | – |
 75–84 | 10 658 | 31.10 | 1.59 (1.17–2.17) | 15.51 |
 ≥ 85 | 1926 | 5.62 | 2.05 (1.25–3.36) | 5.57 |
Residence | ||||
 Urban | 12 933 | 37.74 | ref | – |
 Rural | 21 336 | 62.26 | 2.65 (1.81–3.88) | 50.67 |
Family annul income per capita | ||||
 Higher than average | 10 854 | 31.67 | ref | – |
 Lower than average | 23 415 | 68.33 | 1.64 (1.17–2.31) | 30.42 |
BMI | ||||
 < 18.5 | 3639 | 10.62 | 1.55 (1.09–2.22) | 5.52 |
 18.5–23.9 | 20 884 | 60.94 | ref | – |
 ≥ 24 | 9746 | 28.44 | 0.33 (0.19–0.55) | – |
Diabetes | ||||
 No | 31 867 | 92.99 | ref | – |
 Yes | 2402 | 7.01 | 1.83 (1.08–3.10) | 5.50 |
Close contacts | ||||
 No | 34 175 | 99.73 | ref | – |
 Yes | 94 | 0.27 | 7.30 (2.15–24.82) | 1.70 |
Previous TB cases | ||||
 No | 33 663 | 98.23 | ref | – |
 Yes | 606 | 1.77 | 9.23 (6.16–13.83) | 12.70 |