Demographic characteristics, habits and personal issues of the participants treated in the emergency and casualty departments of Chittagong Medical College Hospital, Bangladesh by injury severity (November 2020–November 2021) (n=363)
| Variable | Injury severity | Total n (%) | |||
| Minor (n=164) | Moderate (n=103) | Serious (n=75) | Severe (n=21) | ||
| Age (years), mean±SD | 31.78±9.24 | 31.93±9.35 | 30.15±8.56 | 32.05±9.96 | 31.50±9.16 |
| Age categories, n (%) | |||||
| ≤30 | 85 (44.27) | 52 (27.08) | 43 (22.40) | 12 (6.25) | 192 (52.89) |
| 31–40 | 31 (43.06) | 24 (33.3) | 15 (20.83) | 2 (2.78) | 72 (19.83) |
| >40 | 48 (48.48) | 27 (27.27) | 17 (17.17) | 7 (7.07) | 99 (27.27) |
| Sex, n (%) | |||||
| Female | 13 (54.17) | 8 (33.33) | 3 (12.50) | 0 (0.00) | 24 (6.61) |
| Male | 151 (44.54) | 95 (28.02) | 72 (21.24) | 21 (6.19) | 339 (93.29) |
| Education, n (%) | |||||
| Illiterate | 106 (45.49) | 68 (29.18) | 48 (20.60) | 11 (4.72) | 233 (64.19) |
| Primary | 45 (42.86) | 32 (30.48) | 19 (18.10) | 9 (8.57) | 105 (28.93) |
| Secondary | 13 (52.00) | 3 (12.00) | 8 (32.00) | 1 (4.00) | 25 (6.89) |
| Monthly family income in BDT, n (%) | |||||
| <12 000 (<US$112) | 81 (48.50) | 42 (25.15) | 33 (19.76) | 11 (6.59) | 167 (46.39) |
| ≥12 000 (≥US$112) | 82 (42.49) | 60 (31.09) | 42 (21.76) | 9 (4.66) | 193 (53.61) |
| Marital status, n (%) | |||||
| Unmarried | 21 (56.76) | 4 (10.81) | 9 (24.32) | 3 (8.11) | 37 (10.19) |
| Married | 143 (43.87) | 99 (30.37) | 66 (20.25) | 18 (5.52) | 326 (89.81) |
| Smoking habit, n (%) | |||||
| Non-smoker | 97 (49.49) | 58 (29.59) | 32 (16.33) | 9 (4.59) | 196 (53.99) |
| Smoker | 67 (40.12) | 45 (26.95) | 43 (25.75) | 12 (7.19) | 167 (46.01) |
| Alcohol intake, n (%) | |||||
| Does not drink | 160 (45.20) | 100 (28.25) | 73 (20.62) | 21 (5.93) | 354 (97.52) |
| Drinker | 4 (44.44) | 3 (33.33) | 2 (22.22) | 0 (0.00) | 9 (2.48) |
| Difficulty in vision and/or hearing, n (%) | |||||
| No | 141 (44.62) | 92 (29.11) | 62 (19.62) | 21 (6.65) | 316 (87.05) |
| Yes | 23 (48.94) | 11 (23.40) | 13 (27.66) | 0 (0.00) | 47 (12.95) |
| Personal family issues, n (%) | |||||
| Present | 12 (44.44) | 7 (25.93) | 7 (25.93) | 1 (3.70) | 27 (7.44) |
| Absent | 152 (45.24) | 96 (28.57) | 68 (20.24) | 4 (5.95) | 336 (92.56) |