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. 2022 Jan 26;22:18. doi: 10.1186/s12903-022-02053-0

Table 5.

Perceived physiological functions among dental students based on the current status of smoking

Total Smoking status P
Never smoke Tobacco only E-cigarette only Dual user
Have you experienced changes in the following physiological functions in the past month?
Physical status  < 0.001
 Worsened 564 (10.3) 436 (10.0) 89 (15.1) 13 (5.2) 26 (10.2)
 No change 4362 (79.8) 3520 (80.6) 454 (76.8) 193 (76.6) 195 (76.2)
 Improved 542 (9.9) 413 (9.5) 48 (8.1) 46 (18.3) 35 (13.7)
Smell  < 0.001
 Worsened 259 (4.7) 175 (4.0) 64 (10.8) 9 (3.6) 11 (4.3)
 No change 4873 (89.1) 3958 (90.6) 497 (84.2) 202 (80.2) 216 (84.4)
 Improved 335 (6.1) 236 (5.4) 29 (4.9) 41 (16.3) 29 (11.3)
Taste  < 0.001
 Worsened 224 (4.1) 148 (3.4) 53 (9.0) 11 (4.4) 12 (4.7)
 No change 4918 (90.0) 3998 (91.5) 499 (84.4) 204 (81.0) 217 (84.8)
 Improved 325 (5.9) 222 (5.1) 39 (6.6) 37 (14.7) 27 (10.5)
Breathing  < 0.001
 Worsened 546 (10.0) 376 (8.6) 106 (17.9) 25 (10.0) 39 (15.2)
 No change 4564 (83.5) 3742 (85.7) 442 (74.8) 185 (74.0) 195 (76.2)
 Improved 354 (6.5) 249 (5.7) 43 (7.3) 40 (16.0) 22 (8.6)
Appetite 0.030
 Worsened 869 (16.0) 688 (15.8) 115 (19.5) 30 (12.0) 36 (14.1)
 No change 3879 (71.2) 3114 (71.6) 407 (69.0) 175 (70.3) 183 (71.8)
 Improved 697 (12.8) 549 (12.6) 68 (11.5) 44 (17.7) 36 (14.1)
Mood  < 0.001
 Worsened 1437 (26.3) 1179 (27.0) 172 (29.1) 30 (11.9) 56 (21.9)
 No change 3355 (61.3) 2682 (61.4) 349 (59.0) 167 (66.3) 157 (61.3)
 Improved 678 (12.4) 509 (11.6) 71 (12.0) 55 (21.8) 43 (16.8)
Memory  < 0.001
 Worsened 907 (16.6) 743 (17.0) 110 (18.6) 18 (7.2) 36 (14.1)
 No change 4087 (74.8) 3263 (74.8) 430 (72.8) 198 (78.9) 196 (76.6)
 Improved 469 (8.6) 359 (8.2) 51 (8.6) 35 (13.9) 24 (9.4)
Quality of sleep 0.003
 Worsened 1257 (23.0) 1015 (23.2) 157 (26.6) 35 (13.9) 50 (19.5)
 No change 3441 (62.9) 2750 (62.9) 355 (60.1) 175 (69.4) 161 (62.9)
 Improved 774 (14.1) 608 (13.9) 79 (13.4) 42 (16.7) 45 (17.6)
Stamina  < 0.001
 Worsened 1035 (18.9) 803 (18.4) 155 (26.4) 29 (11.5) 48 (18.8)
 No change 3761 (68.8) 3025 (69.3) 373 (63.4) 189 (75.0) 174 (68.0)
 Improved 667 (12.2) 539 (12.3) 60 (10.2) 34 (13.5) 34 (13.3)