TABLE 1.
Participant characteristics in a population‐based cohort study, Nakhon Phanom Province, Thailand, May 2015‐May 2017
| Characteristics | Cohort participants | P‐value | |
|---|---|---|---|
|
Without cardiopulmonary conditions (n = 2907) n (%) |
With cardiopulmonary conditions (n = 313) n (%) |
||
| Total person‐years | 5532 | 558 | |
| Age (years), median (IQR) | 72 (69, 76) | 73 (70, 78) | .003 |
| Age group | |||
| <75 years | 1925 (66.2) | 190 (60.7) | .052 |
| ≥75 years | 982 (33.8) | 123 (39.3) | |
| Male | 1157 (39.8) | 167 (53.4) | <.001 |
| Current smokers | 954 (32.8) | 142 (45.4) | <.001 |
| Influenza vaccination uptake | |||
| 2015‐2016 | 1497 (51.5) | 169 (54.0) | .405 |
| 2016‐2017 | 1347 (47.5) | 151 (53.0) | .082 |
| Co‐morbidity | |||
| Yes | 1163 (40.0) | 156 (49.8) | <.001 |
| Hypertension | 670 (23.1) | 85 (27.2) | .107 |
| Diabetes | 543 (18.7) | 62 (19.8) | .648 |
| Neuromuscular diseases | 83 (2.9) | 14 (4.5) | .117 |
| Chronic kidney diseases | 79 (2.7) | 11 (3.5) | .370 |
| Cerebrovascular diseases | 74 (2.6) | 11 (3.5) | .350 |
| Chronic liver diseases | 13 (0.5) | 3 (1.0) | .199 |
| Thalassemia | 4 (0.1) | 6 (1.9) | <.001 |
| Cancer | 81 (2.8) | 17 (5.4) | .015 |
| Chemotherapy | 10 (0.3) | 2 (0.6) | .328 |
| Mean number of hospital visits (SD) | 2.8 (1.6) | 3.5 (1.1) | <.001 |
Abbreviations: IQR, interquartile range; n, number.