Table 2.
Demographics and comorbidities between ever smokers and nonsmokers
| Variables | Total | Non-smokers | Ever smokers | P-value | ||
|---|---|---|---|---|---|---|
| N | (%) | N | (%) | |||
| Total | 26,375 | 16,012 | (60.71) | 10,363 | (39.29) | |
| Sex | < 0.001 | |||||
| Men | 12,779 | 5714 | (35.69) | 7065 | (68.18) | |
| Women | 13,596 | 10,298 | (64.31) | 3298 | (31.82) | |
| Age (y) | < 0.001 | |||||
| 40–54 | 14,096 | 7785 | (48.62) | 6311 | (60.9) | |
| 55–64 | 5589 | 3085 | (19.27) | 2504 | (24.16) | |
| 65–74 | 3928 | 3010 | (18.80) | 918 | (8.86) | |
| > 74 | 2762 | 2132 | (13.32) | 630 | (6.08) | |
| Mean ± SD | 56.18 ± 12.31 | 57.86 ± 12.92 | 53.59 ± 10.82 | < 0.001§ | ||
| Insured category | < 0.001 | |||||
| Category I | 9883 | 5911 | (36.92) | 3972 | (38.33) | |
| Category II | 5718 | 3212 | (20.06) | 2506 | (24.18) | |
| Category III | 6566 | 4376 | (27.33) | 2190 | (21.13) | |
| Category V | 265 | 118 | (0.74) | 147 | (1.42) | |
| Category VI | 3943 | 2395 | (14.96) | 1548 | (14.94) | |
| Insured monthly salary (NTD) | < 0.001 | |||||
| ≤ 17,280 | 1441 | 863 | (5.39) | 578 | (5.58) | |
| 17,280–22,800 | 13,616 | 8611 | (53.78) | 5005 | (48.30) | |
| 22,801–36,300 | 6150 | 3581 | (22.36) | 2569 | (24.79) | |
| > 36,301 | 5168 | 2957 | (18.47) | 2211 | (21.34) | |
| Urbanization of residence area | < 0.001 | |||||
| I | 5477 | 3363 | (21.00) | 2114 | (20.40) | |
| II, III | 12,107 | 7139 | (44.59) | 4968 | (47.94) | |
| IV, V | 5761 | 3594 | (22.45) | 2167 | (20.91) | |
| VI, VII | 3030 | 1916 | (11.97) | 1114 | (10.75) | |
| Comorbidity | ||||||
| COPD | 0.040 | |||||
| No | 25,045 | 15,169 | (94.74) | 9876 | (95.3) | |
| Yes | 1330 | 843 | (5.26) | 487 | (4.70) | |
| Hypertension | < 0.001 | |||||
| No | 19,253 | 11,279 | (70.44) | 7974 | (76.95) | |
| Yes | 7122 | 4733 | (29.56) | 2389 | (23.05) | |
| Stroke | < 0.001 | |||||
| No | 24,756 | 14,911 | (93.12) | 9845 | (95.00) | |
| Yes | 1619 | 1101 | (6.88) | 518 | (5.00) | |
| CAD | < 0.001 | |||||
| No | 24,091 | 14,463 | (90.33) | 9628 | (92.91) | |
| Yes | 2284 | 1549 | (9.67) | 735 | (7.09) | |
| Adult preventive care | < 0.001 | |||||
| No | 16,999 | 10,166 | (63.49) | 6833 | (65.94) | |
| Yes | 9376 | 5846 | (36.51) | 3530 | (34.06) | |
Chi-square test; §Two sample Student’s t test.