Table 1 Relationship between demographic variables and MV status
Demographic variables | MV status | Short mechanical ventilation | Long mechanical ventilation | Chi-square test statistic | P-value |
|---|---|---|---|---|---|
Frequency (percentage) | Frequency (percentage) | ||||
Sex | Man | 753 (79.0) | 200 (21.0) | 0.295 | 0.587 |
Female | 317 (77.7) | 91 (22.3) | |||
Marital status | Married | 1024 (78.9) | 274 (21.1) | 1.23 | 0.267 |
Single | 1(25) | 3 (75) | |||
Divorced | 12 (92.3) | 1 (7.7) | |||
Widow | 33 (71.7) | 13 (28.3) | |||
Education | Unknown | 72 (72) | 28 (28) | 4.43 | 0.613 |
Illiterate | 485 (78.1) | 136 (21.9) | |||
Elementary | 206 (81.1) | 48 (18.9) | |||
High school | 130 (77.8) | 37 (22.2) | |||
Diploma | 131 (81.4) | 30 (18.6) | |||
College Education | 46 (79.3) | 12 (20.7) | |||
Life location | City | 868 (78.8) | 233 (21.2) | 0.169 | 0.919 |
Village | 184 (77.6) | 53 (22.4) | |||
Foreigners | 18 (78.3) | 5 (21.7) | |||
Smoking history | No | 728 (80.2) | 180 (19.8) | 3.93 | 0.028* |
Yes | 342 (75.5) | 111 (24.5) | |||
Drug use history | No | 852 (79.8) | 216 (20.2) | 3.94 | 0.047* |
Yes | 218 (74.4) | 75 (25.6) | |||
History of alcohol consumption | No | 1047 (78.5) | 286 (21.5) | 0.211 | 0.646 |
Yes | 23 (82.1) | 5 (17.9) | |||
Body mass | < 18.5 | 7 (0.7) | 7 (1.7) | 1.228 | 0.128 |
18.5-24.9 | 383 (35.9) | 115 (39.2) | |||
25 – 29.9 | 481 (45) | 122 (41.6) | |||
>30 | 197 (18.4) | 51 (17.4) | |||
Blood group | A | 390 (77.5) | 113 (22.5) | 1.37 | 0.711 |
B | 255 (78.2) | 71 (21.8) | |||
O | 328 (79.2) | 86 (20.8) | |||
AB | 97 (82.2) | 21 (17.8) | |||
History of baking bread | No | 1006 (79.4) | 261 (20.6) | 6.66 | *0.010 |
Yes | 64 (68.1) | 30 (31.9) |