Research Article
The Effect of 1,8-Cineole Inhalation on Preoperative Anxiety: A Randomized Clinical Trial
Table 1
Demographic and general characteristics of the subjects
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| Characteristics | Total (%) | Control (%) | Limonene (%) | 1,8-Cineole (%) | Eucalyptus (%) | | value |
| Age (year) | | | | | | | | 30–39 | 9 (14.5) | 0 (0.0) | 4 (44.4) | 2 (22.2) | 3 (33.3) | 7.81 | 0.568a | 40–49 | 16 (25.8) | 3 (18.75) | 3 (18.75) | 4 (25.00) | 6 (37.50) | 50–59 | 11 (17.7) | 3 (27.27) | 2 (18.18) | 4 (36.36) | 2 (18.18) | ≥60 | 26 (41.9) | 9 (34.62) | 6 (23.08) | 6 (23.08) | 5 (19.23) | Gender | | | | | | | | Male | 25 (40.3) | 5 (20.00) | 6 (24.00) | 8 (32.00) | 6 (24.00) | 0.98 | 0.806 | Female | 37 (59.7) | 10 (27.03) | 9 (24.32) | 8 (21.62) | 10 (27.03) | Education | | | | | | | | ≤middle | 16 (25.8) | 6 (37.50) | 4 (25.00) | 5 (31.25) | 1 (6.25) | 7.85 | 0.225a | High school | 21 (33.9) | 4 (19.05) | 3 (14.29) | 7 (33.33) | 7 (33.33) | ≥college | 25 (40.3) | 5 (20.00) | 8 (32.00) | 4 (16.00) | 8 (32.00) | Religion | | | | | | | | Christian | 19 (30.7) | 5 (26.32) | 4 (21.05) | 4 (21.05) | 6 (31.58) | 5.79 | 0.788a | Catholic | 11 (17.7) | 1 (9.09) | 4 (36.36) | 2 (18.18) | 4 (36.36) | Buddhist | 14 (22.6) | 5 (35.71) | 2 (14.29) | 5 (35.71) | 2 (14.29) | None | 18 (29.0) | 4 (22.22) | 5 (27.78) | 5 (27.78) | 4 (22.22) | Marital state | | | | | | | | Married | 51 (82.3) | 14 (27.45) | 11 (21.57) | 14 (27.45) | 12 (23.53) | 2.96 | 0.440a | Not married | 11 (17.7) | 1 (9.09) | 4 (36.36) | 2 (18.18) | 4 (36.36) | Analgesic | | | | | | | | Yes | 32 (51.6) | 6 (18.75) | 6 (18.75) | 9 (28.13) | 11 (34.40) | 3.64 | 0.303a | No | 30 (48.4) | 9 (30) | 9 (30) | 7 (23.33) | 5 (16.67) | Antihypertensive drug | | | | | | | | Yes | 7 (11.3) | 2 (28.57) | 3 (42.86) | 2 (28.57) | 0 (0.0) | 3.26 | 0.353 | No | 55 (88.7) | 13 (23.64) | 12 (21.82) | 14 (25.45) | 16 (29.09) | Antidiabetic drug | | | | | | | | Yes | 26 (51.9) | 6 (23.08) | 9 (34.62) | 5 (19.23) | 6 (23.08) | 2.91 | 0.405a | No | 36 (58.1) | 9 (25.00) | 6 (16.67) | 11 (30.56) | 10 (27.78) | Procedure history | | | | | | | | Yes | 17 (27.4) | 4 (23.53) | 5 (29.41) | 4 (23.53) | 4 (23.53) | 0.36 | 0.960 | No | 45 (72.6) | 11 (24.44) | 10 (22.22) | 12 (26.67) | 12 (26.67) |
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Analyzed using aFisher’s exact test and chi-square test. each in the control and limonene groups and 16 each in the 1,8-cineole and eucalyptus groups.
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