Table 2.
Characteristics of cases and spatial units between cluster and non-cluster based on the location of residence in Hong Kong, 2014/1–2018/12.
| Suicide case | Overall (2016/08–2018/11) |
Jumping (2016/02–2018/04) |
Charcoal burning (2016/12–2018/04) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Cluster |
Non-cluster |
p-value | Cluster |
Non-cluster |
p-value | Cluster |
Non-cluster |
p-value | |
| Mean ± SD/N (%) |
Mean ± SD/N (%) |
Mean ± SD/N (%) |
Mean ± SD/N (%) |
Mean ± SD/N (%) |
Mean ± SD/N (%) |
||||
| N = 344 | N = 1753 | N = 140 | N = 943 | N = 20 | N = 160 | ||||
| Age | 55.31 ± 20.82 | 52.71 ± 20.20 | 0.03 | 54.49 ± 20.68 | 51.65 ± 20.65 | 0.13 | 43.20 ± 15.19 | 44.65 ± 14.29 | 0.69 |
| Sex | 0.81 | 0.40 | 0.95 | ||||||
| Male | 224 (65.12) | 1129 (64.44) | 93 (66.43) | 592 (62.78) | 14 (70.00) | 49 (30.63) | |||
| Female | 120 (34.88) | 623 (35.56) | 47 (33.57) | 351 (37.22) | 6 (30.00) | 111 (69.38) | |||
| Marital status | 0.80 | 0.01 | 0.10a | ||||||
| Married | 145 (42.52) | 694 (40.16) | 68 (48.57) | 374 (39.66) | 8 (40.00) | 42 (26.25) | |||
| Never married | 111 (32.55) | 598 (34.61) | 43 (30.71) | 360 (38.18) | 10 (50.00) | 69 (43.13) | |||
| Cohabiting | 8 (2.35) | 34 (1.97) | 8 (5.71) | 19 (2.01) | 1 (5.00) | 6 (3.75) | |||
| Divorced/widowed/separated | 77 (22.58) | 402 (23.26) | 21 (15.00) | 190 (20.15) | 1 (5.00) | 43 (26.88) | |||
| Type of housing | <0.0001 | <0.0001 | 0.03a | ||||||
| Public housing | 225 (65.41) | 651 (37.26) | 82 (58.57) | 387 (41.04) | 3 (15.00) | 56 (35.22) | |||
| Public subsidized sale flats | 59 (17.15) | 249 (14.25) | 37 (26.43) | 177 (18.77) | 0 (0.00) | 12 (7.55) | |||
| Private permanent housing | 50 (14.53) | 734 (42.01) | 19 (13.57) | 335 (35.52) | 17 (85.00) | 77 (48.43) | |||
| Others | 10 (2.91) | 113 (6.47) | 2 (1.43) | 44 (4.67) | 0 (0.00) | 14 (8.81) | |||
| Living alone | 68 (20.12) | 367 (21.41) | 0.59 | 18 (12.95) | 148 (16.02) | 0.35 | 7 (35.00) | 72 (46.45) | 0.33 |
| With history of psychiatric contact | 128 (37.21) | 741 (42.27) | 0.08 | 68 (48.57) | 437 (46.34) | 0.62 | 6 (30.00) | 51 (31.88) | 0.87 |
| Location of incidence | 0.40 | 0.52a | 0.58a | ||||||
| Building of own residence | 263 (77.13) | 1289 (73.91) | 113 (80.71) | 726 (77.23) | 17 (85.00) | 126 (78.75) | |||
| Hotels/holiday houses | 4 (1.17) | 31 (1.78) | 0 (0.00) | 4 (0.43) | 0 (0.00) | 8 (5.00) | |||
| Others | 74 (21.70) | 424 (24.31) | 27 (19.29) | 210 (22.34) | 3 (15.00) | 26 (16.25) | |||
| Primary method | 0.07 | ||||||||
| Jumping | 204 (59.30) | 915 (52.20) | |||||||
| Hanging | 71 (20.64) | 386 (22.02) | |||||||
| Charcoal burning | 32 (9.30) | 229 (13.06) | |||||||
| Others | 37 (10.76) | 223 (12.72) | |||||||
| Spatial units | N = 13 | N = 201 | N = 8 | N = 206 | N = 9 | N = 205 | |||
| Social Deprivation | <0.001a | <0.01a | 0.33 | ||||||
| Q1 | 0 (0.00) | 54 (26.87) | 0 (0.00) | 54 (26.21) | 0 (0.00) | 54 (26.34) | |||
| Q2 | 1 (7.69) | 52 (25.87) | 0 (0.00) | 53 (25.73) | 3 (33.33) | 50 (24.39) | |||
| Q3 | 2 (15.38) | 51 (25.37) | 2 (25.00) | 51 (24.76) | 3 (33.33) | 50 (24.39) | |||
| Q4 | 10 (76.92) | 44 (21.89) | 6 (75.00) | 48 (23.30) | 3 (33.33) | 51 (24.88) | |||
| Social Fragmentation | 0.04a | 0.09 | 0.22 | ||||||
| Q1 | 0 (0.00) | 53 (26.37) | 0 (0.00) | 53 (25.73) | 0 (0.00) | 53 (25.85) | |||
| Q2 | 3 (23.08) | 51 (25.37) | 2 (25.00) | 52 (25.24) | 2 (22.22) | 52 (25.37) | |||
| Q3 | 3 (23.08) | 50 (24.88) | 1 (12.50) | 52 (25.24) | 4 (44.44) | 49 (23.90) | |||
| Q4 | 7 (53.85) | 47 (23.38) | 5 (62.50) | 49 (23.79) | 3 (33.33) | 51 (24.88) | |||
Bold and italic indicate that the p-value is statistically significant (i.e., p < 0.05).
a
Fisher exact test has been conducted instead of Chi Square test due to more than 20% of the expected counts being less than 5.