Table 2.
Demographics of study population
| Demographics | Overall (%) (n = 1063) | Patients (%) (n = 47) | Contacts (%) (n = 244) | Healthcare Workers (%) (n = 331) | General Servicemen (%) (n = 441) | p-value* |
|---|---|---|---|---|---|---|
| Mean Age (SE) | 21.4 (0.2) | 20.6 (0.3) | 20.6 (0.1) | 23.2 (0.4) | 20.5 (0.3) | < 0.001 |
| -Inter quartile range | 19 to 21 | 20 to 21 | 20 to 21 | 20 to 23 | 19 to 20 | NA |
| -Range | 17 to 61 | 17 to 27 | 18 to 30 | 18 to 61 | 17 to 57 | NA |
| Sex: | ||||||
| 1. Male | 1018 (95.8) | 47 (100) | 243 (99.6) | 306 (92.4) | 422 (95.7) | < 0.001 |
| Education: | ||||||
| 1. Elementary/Middle School | 530 (49.9) | 18 (38.3) | 96 (39.3) | 103 (31.1) | 313 (71.0) | < 0.001 |
| 2. High School | 465 (43.7) | 27 (57.4) | 141 (57.8) | 178 (53.8) | 119 (27.0) | |
| 3. Degree | 67 (6.3) | 2 (4.3) | 6 (2.5) | 50 (15.1) | 9 (2.0) | |
| Housing Type: | ||||||
| 1. ≤ 3 room public flat | 177 (16.7) | 8 (17.0) | 44 (18.0) | 50 (15.1) | 75 (17.0) | 0.001 |
| 2. 4 room public flat | 386 (36.3) | 18 (38.3) | 93 (38.1) | 92 (27.8) | 183 (41.5) | |
| 3. 5 room public flat | 309 (29.1) | 13 (27.7) | 65 (26.6) | 105 (31.7) | 126 (28.6) | |
| 4. Private Property | 167 (15.7) | 7 (14.9) | 38 (15.6) | 74 (22.4) | 48 (10.9) | |
| Ethnicity: | ||||||
| 1. Chinese | 804 (75.6) | 37 (78.5) | 175 (71.5) | 238 (71.9) | 354 (80.3) | 0.024 |
| 2. Malay | 143 (13.5) | 7 (14.9) | 44 (18.0) | 48 (14.5) | 44 (10.0) | |
| 3. Indian | 62 (5.8) | 2 (4.3) | 9 (3.7) | 28 (8.5) | 23 (5.2) | |
| 4. Others | 31 (2.9) | 0 (0.0) | 9 (3.7) | 11 (3.3) | 11 (2.5) | |
*Between patients, contacts, healthcare workers and general servicemen